Comcast Contractor Certification Competencies - … Contractor Certification...ii Contrast the...
Transcript of Comcast Contractor Certification Competencies - … Contractor Certification...ii Contrast the...
Comcast Contractor Broadband Premises Installer
Comcast Contractor Competencies
Scope The Comcast Contractor Broadband Premises Installerknowledge of an entry-level technician who will install and troubleshoot telecommunications services (video, voice, and data) at the customer’s premises. The successful certification candidate has the knowledge to carry out play” installation but is not yet proficient.
I. Technology, Systems & Requirements
Competency
A Recognize basic analog cable network configuration and understand how signal flows from the network to the customer’s television.
B Understand basic digital signal characteristics and how digital signals are used in cable telecommunications system.
Broadband Premises Installer Competencies Page 1 of 26
Comcast Contractor Broadband Premises Installer
Broadband Premises Installer certification describes the level technician who will install and troubleshoot
telecommunications services (video, voice, and data) at the customer’s premises. The successful certification candidate has the knowledge to carry out a play” installation but is not yet proficient.
ogy, Systems & Requirements
Knowledge, Skills, and Abilities
Recognize basic analog cable
understand how signal flows
1. Define in basic terms “analog signal
a. Minimum signal levels at the customer terminal per FCC
b. Examples of expected signal levels at customer premises
i Analog signal faults and limitations
ii Comparison of analog and digital signals
Understand basic digital signal digital
telecommunications system.
1. Basics of digital signals
a. Define in basic terms “digital”
b. Digital signal levels
i Transmission loss and expected signal levels at the line endpoint or the device input.
ii Knowledge of expected signal levels at customer premises test point locations
c. Analog to digital (A/D) conversion
i Describe the fundamentals of A/D conversion
ii Define in basic terms “encoding”2. Digital modulation
a. Define in basic terms “digital m
b. Digital multiplexing i Multiple video programs in 6 MHz
bandwidth ii Motion picture experts group (
and 4
Installer
certification describes the level technician who will install and troubleshoot
telecommunications services (video, voice, and data) at the customer’s premises. a basic “triple-
Knowledge, Skills, and Abilities
ignal levels”
Minimum signal levels at the customer
Examples of expected signal levels at
Analog signal faults and limitations
Comparison of analog and digital
Transmission loss and expected signal levels at the line endpoint or the device
expected signal levels at customer premises test point locations
Analog to digital (A/D) conversion
Describe the fundamentals of A/D
Define in basic terms “encoding”
modulation”
in 6 MHz
Motion picture experts group (MPEG) 2
Comcast Contractor Broadband Premises Installer
C Recognize the components of a Hybrid Fiber Coaxial (HFC) cable system.
D Describe the common cable system services and their sources.
Broadband Premises Installer Competencies Page 2 of 26
iii Define in basic terms “compression ratios”
c. Describe two-way signal flow 3. Signal distribution methods 4. Virtual channel mapping
Recognize the components of (HFC)
1. Define hybrid fiber-coax (HFC) and its components: a. Telecom center (headend and hub)
b. Optical Transport Network (OTN)
c. Distribution network d. Customer’s premises
2. Describe the purpose and function of the following network devices: a. Passive devices
i Taps (a) Non-power passing taps
(b) Port power-passing taps
(c) Tap function (d) Troubleshooting the tap
ii Splitters iii Directional couplers iv Power inserters
b. Active devices i Optical node
ii Amplifiers (a) Line extenders
3. Define in basic terms the following cable system frequency allocations: a. Reverse
i Frequency spectrum ii Shared frequencies
b. Forward i Frequency spectrum ii Shared frequencies iii Spectrum allocation (analog, digital,
SDV, VoD, HSD, Channel a. Define in basic terms two-way frequency
division [multiplexing] i Frequency division ii Effects on signal iii Applications iv Calculate cable attenuationv Recognize the symbols and
represent electrical units Describe the common cable 1. Describe each of the following cable system
services sources: a. Off-air or Over-the air (OTA) feeds
b. Studio feeds
Define in basic terms “compression
and its
Telecom center (headend and hub)
(OTN)
purpose and function of the
power passing taps
passing taps
Troubleshooting the tap
Define in basic terms the following cable
Spectrum allocation (analog, digital, SDV, VoD, HSD, Channel bonding)
way frequency
Calculate cable attenuation Recognize the symbols and letters that
Describe each of the following cable system
the air (OTA) feeds
Comcast Contractor Broadband Premises Installer
E Recognize the characteristics of the cables and wire used within the drop system.
Broadband Premises Installer Competencies Page 3 of 26
c. Satellite feeds
d. Community access/public, education, and government (PEGs)
e. Local origination (LO) 2. Describe each of the following cable system
premium services:
a. Impulse pay per view (IPPV)
b. Video on Demand (VoD) c. Interactive services d. Premium services (i.e., HBO, Showtime)
3. Describe each of the following cable system digital services: a. High-speed data installation
i Windows ii Macintosh iii Linux iv IPv4/IPv6
b. Online gaming
c. Telephony i Switched telephony
ii VoIP (DOCSIS) iii PacketCable iv SIP/IMS
d. Digital video
i Standard definition (SD) ii Enhanced definition (ED) iii High definition (HD) iv Switched Digital Video (SDV)v Digital simulcast
2. Describe competitive services a. Digital subscriber line (DSL) b. FiOS c. Satellite delivery (e.g. DirecTV)d. Broadband wireless e. Telephone company
Recognize the characteristics of the cables and wire used
1. Define the following coaxial drop cable physical and electrical properties:
a. Impedance i 75 ohm
b. Frequency characteristics
c. Describe coaxial drop cable construction
i List the physical coaxial drop cable components: (a) Center conductor (b) Dielectric (c) Shield
ducation, and
Describe each of the following cable system
ervices (i.e., HBO, Showtime)
Describe each of the following cable system
Switched Digital Video (SDV)
DirecTV)
Define the following coaxial drop cable physical
construction
List the physical coaxial drop cable
Comcast Contractor Broadband Premises Installer
Broadband Premises Installer Competencies Page 4 of 26
(i) Braid percentages
(d) Jacket (i) Color
ii Contrast the difference between aerial and underground drop cable
d. List typical coaxial drop cable sizes (by diameter) i Series 59 ii Series 6
iii Series 11 iv Quantum reach (e.g. QR-320)
e. Describe coaxial cable attenuation properties: i Define in basic terms “dB”ii Define in basic terms “attenuation”
iii Explain the effect cable length has on coaxial cable
iv Calculate cable attenuation2. Describe in basic terms the following twisted
pair properties: a. Cross talk
b. Capacitance c. Frequency response
d. Inductance
e. Classifications
f. List the physical twisted pair wire components: i Wire-type
ii Shielding iii Insulation
3. Describe in basic terms the following optical fiber properties:
a. Optical fiber types:
i Multimode
ii Single-mode
b. Optical fiber/cable components:
i Core ii Cladding iii Coating iv Strength fibers v Jacket
vi Buffer tube
Contrast the difference between aerial and underground drop cable
List typical coaxial drop cable sizes (by
320) ttenuation
Define in basic terms “dB” Define in basic terms “attenuation”
ffect cable length has on
Calculate cable attenuation Describe in basic terms the following twisted
List the physical twisted pair wire
Describe in basic terms the following optical
Optical fiber/cable components:
Comcast Contractor Broadband Premises Installer
II. Premises Devices
Competency A Recognize the function of
customer-provided devices used for video, voice and dataservices.
Broadband Premises Installer Competencies Page 5 of 26
Premises Devices
Knowledge, Skills, and Abilities
provided devices used for video, voice and data
1. Televisions a. Describe basic analog (NTSC) television
operation i Block diagram functions ii Powering iii Signal sourcing
(a) Channel characteristics(b) Channel assignments (c) Channel bandwidth
b. Describe the characteristics of a cable compatible television i Cable compatible interfaceii Channel capacity
c. Describe common television controlsi User controls ii Service controls
(a) Closed captioning d. Describe typical interfaces for the following
TV types and components: i Standard definition (SD)
(a) RF (b) Composite
(i) RCA (c) S-video (d) Super video graphics array (SVGA)
ii Enhance Definition (ED) Television (a) Component (b) Digital Visual Interface (DVI)
iii High definition (HD) iv 3D Television (3D TV)
e. Name the types of TV displays/i Cathode ray tube (CRT) ii Home theater projection devicesiii Liquid crystal display (LCD)iv Plasma v Light emitting diode (LED)vi HDTV
(a) Aspect ratio (i) 4:3 (ii) 16:9
(b) Screen resolution (i) 480i (ii) 480p (iii) 720p
Knowledge, Skills, and Abilities
Describe basic analog (NTSC) television
Channel characteristics Channel assignments
Describe the characteristics of a cable
Cable compatible interface
Describe common television controls
Describe typical interfaces for the following
Super video graphics array (SVGA) Enhance Definition (ED) Television
Digital Visual Interface (DVI)
isplays/ receivers:
Home theater projection devices isplay (LCD)
Light emitting diode (LED)
Comcast Contractor Broadband Premises Installer
Broadband Premises Installer Competencies Page 6 of 26
(iv) 1080i, p (c) Connections
(i) Component (ii) High-Definition Multimedia
Interface (HDMI) 1. Includes audio
(iii) Digital Visual Interface (DVI)(d) Effects of aspect ratio mismatch:
(i) Letter box (ii) Pillaring
vii Digital Light Processor (DLP)viii OLED/LED
f. Digital TV Transition (DTV) 2. Digital Video Recorder (DVR)/PVR
a. Define a DVR and describe its purposeb. Explain the interface with service provider
device c. Networked DVR (MoCA) d. Remote DVR / rDVR
3. Digital Video Disc/Digital Versatile Disc (DVD)
a. Define DVD and describe its purposeb. Define Blu-Ray c. Explain the interface with service provider
device 4. Video Cassette Recorder (VCR)
a. Define a VCR and describe its purposeb. Explain the interface with service provider
device 5. Define the following navigation
devices/interfaces: a. Remote control
i Identify the keys on a remote b. Parental control
i Define parental control c. (IR) Blaster
i Define Infrared (IR) Blaster and describe its purpose
6. Game consoles a. Identify a game console
7. Home theater receiver a. Identify a home theater center
8. Video switches a. Define in basic terms “video s
describe purpose 9. Slingbox
a. Define in basic terms “Slingbox” and describe purpose
10. Untethered devices
Definition Multimedia
Digital Visual Interface (DVI)
Effects of aspect ratio mismatch:
Digital Light Processor (DLP)
/PVR Define a DVR and describe its purpose Explain the interface with service provider
Digital Video Disc/Digital Versatile Disc
Define DVD and describe its purpose
Explain the interface with service provider
Video Cassette Recorder (VCR) Define a VCR and describe its purpose
interface with service provider
emote control
Define Infrared (IR) Blaster and
Identify a home theater center
switches” and
Define in basic terms “Slingbox” and
Comcast Contractor Broadband Premises Installer
B Recognize the function, useand connection of companyprovided devices used for video, voice and data services at the customer’s premises
Broadband Premises Installer Competencies Page 7 of 26
a. Define in basic terms “smartphones” and describe purpose i Example: iPod Touch
b. Define in basic terms “Tablet PC” and describe purpose i Example: iPad
11. Telephones - Identify the following telephone set components:
a. Base b. Ringer c. Handset d. Hook switch e. Dial pad
12. Personal computers (PCs) a. Define operating system (OS)
i Windows ii Macintosh iii Linux
b. Components of a PC c. Name the typical operating systems found
on a customer's PC use,
of company-
services at the customer’s premises.
1. Set-top boxes (converters) and other network interface devices/services a. Name typical types of set-top boxes
i Analog ii Addressable iii Digital
(a) Digital consumer terminal (DCT)(b) Digital terminal adapter (DTA)(c) High-definition (d) DVR
(i) Dual tuner iv Interfacing v IP vi Tru2way
b. Describe in basic terms “CableCARDc. Describe in basic terms “cable modems”d. Describe in basic terms “Internet Protocol
Television (IPTV)” e. Describe in basic terms “SDV tuning
adapter” f. Describe in basic terms “embedded
multimedia terminal adapter (eMTA)” g. Describe in basic terms “embedded digital
voice adapter (eDVA)” h. Describe in basic terms “multimedia
terminal adapter (MTA)” i. Describe in basic terms “commercial
gateways”
Define in basic terms “smartphones” and
Define in basic terms “Tablet PC” and
Identify the following telephone
ystem (OS)
Name the typical operating systems found
top boxes (converters) and other network
top boxes (STB)
Digital consumer terminal (DCT) Digital terminal adapter (DTA)
Describe in basic terms “CableCARDTM” in basic terms “cable modems”
“Internet Protocol
Describe in basic terms “SDV tuning
Describe in basic terms “embedded multimedia terminal adapter (eMTA)” Describe in basic terms “embedded digital
“multimedia
ommercial
Comcast Contractor Broadband Premises Installer
Broadband Premises Installer Competencies Page 8 of 26
j. Describe in basic terms “network ak. Describe in basic terms “wireless gateways”l. Describe in basic terms “Home Phoneline
Networking Alliance (HomePNA)”m. Describe in basic terms “Multimedia over
Coax Alliance (MoCA®)” n. Describe in basic terms “OpenCable™
Home Networking Protocol (OHNP)”2. Explain the hook-ups of a set-top box to
consumer devices for requested services:a. Verify 2-way operation (test VOD b. Set up pin number/parental control
3. Explain the connection of the following customer peripheral equipment to allow requested operation of the features:a. Picture in picture (PIP) b. DVD recorder/player c. Computer monitor d. Home theater e. Phone Equipment (e.g. fax)
4. Define the following telephone service featuresa. POTS (Plain Old Telephone Service)b. Basic understanding of Custom Local Area
Signaling Services (CLASS featuresc. Call features
i Call waiting ii Caller ID iii 3-way Calling iv Network based voice mail/advanced v
mail features v Call forwarding vi Call blocking
5. Define “Lifeline" service a. E911
Describe in basic terms “network adapters” ireless gateways”
Describe in basic terms “Home Phoneline Networking Alliance (HomePNA)” Describe in basic terms “Multimedia over
Describe in basic terms “OpenCable™ Home Networking Protocol (OHNP)”
top box to consumer devices for requested services:
way operation (test VOD features) Set up pin number/parental control
Explain the connection of the following customer peripheral equipment to allow requested operation of the features:
Define the following telephone service features POTS (Plain Old Telephone Service) Basic understanding of Custom Local Area
CLASS features)
based voice mail/advanced v-
Comcast Contractor Broadband Premises Installer
III. Installation
Competency A Recognize the types of cables
and wire used within the drop system; describe proper handling techniques.
B Recognize the function and use of interfaces and terminations within the customer’s premises.
Broadband Premises Installer Competencies Page 9 of 26
Knowledge, Skills, and AbilitiesRecognize the types of cables and wire used within the drop
1. Differentiate between the coaxial cable types:a. Underground (flooded)
b. Aerial Messenger c. National Electrical Code (NEC)
classification i CATV ii CATVX iii CATVR iv CATVP
2. Demonstrate use of the correct cable type for various customer installations
3. Demonstrate proper cable handling techniques: a. Minimum bend radius b. Drip loops c. Structural considerations
i Fastening ii Attachments
d. Describe the impact of improper handling techniques
e. Describe the impact of improper fastening techniques
4. Fiber to the “x” (FTTx) a. Define FTTx in basic terms (introduction)
where x = i Home ii Node iii Curb iv NID
b. Describe fiber drop fundamentals5. Station/twisted pair wire
a. Identify the types of wire in the home i CAT1 ii CAT3 iii CAT5 /5e /6 iv Station wire
b. Placement Recognize the function and 1. Understand the types of F-connectors used at
the premises a. Compression
2. Explain the purpose and need of security shields and demonstrate installation and removal
3. Explain drop cable preparation and demonstrate each of the following cable
Knowledge, Skills, and Abilities Differentiate between the coaxial cable types:
National Electrical Code (NEC)
Demonstrate use of the correct cable type for
Demonstrate proper cable handling techniques:
Describe the impact of improper handling
improper fastening
Define FTTx in basic terms (introduction)
Describe fiber drop fundamentals
Identify the types of wire in the home
connectors used at
of security shields and demonstrate installation and
Explain drop cable preparation and demonstrate each of the following cable
Comcast Contractor Broadband Premises Installer
C Recognize the use and function of passive devices within the customer’s premises.
Broadband Premises Installer Competencies Page 10 of 26
preparation stages: a. Center conductor b. Braid c. Messenger separation d. Jacket removal e. Cable preparation tools
i Use ii Maintenance
4. Describe the following equipment interfaces and explain any unique characteristics:a. Torque specifications
i Consumer equipment (CE)ii Exterior wiring
b. Waterproofing i Silicone grease ii Aqua seals/rubber gasketsiii Thread protectors
(a) Length variations 5. Describe the following terminal blocks/punch
downs a. 66, 110 punch down blocks b. Mini 66 c. IDC Rocker Box d. NID Binding post
6. Drop fiber a. Identify types b. Components c. Fiber splices/connectors
i Fusion ii Mechanical iii Connector types
d. Fiber preparation e. Fiber handling
i Safety
function of passive devices 1. Differentiate drop system splitters/couplers and
define the following: a. Specifications and definition
i Splitter/coupler loss (insertion loss)(a) Explain how the design and
installation of splitters and couplers can lead to efficient configurations for best signal strength
b. Describe when splitters and couplers are used in the drop system i Explain isolation as it relates
and couplers ii Explain voltage blocking as it relates to
splitters and couplers (with respect to powering house amplifiers)
Describe the following equipment interfaces and explain any unique characteristics:
Consumer equipment (CE)
Aqua seals/rubber gaskets
Describe the following terminal blocks/punch
Differentiate drop system splitters/couplers and
loss (insertion loss)
Explain how the design and installation of splitters and couplers can lead to efficient configurations for best signal strength
Describe when splitters and couplers are
Explain isolation as it relates to splitters
Explain voltage blocking as it relates to splitters and couplers (with respect to
house amplifiers)
Comcast Contractor Broadband Premises Installer
D Recognize the use and function of active devices used within the customer’s premises.
E Recognize the use and function of security devices used within the customer’s premises.
F Recognize the use and function of hand and power tools.
Broadband Premises Installer Competencies Page 11 of 26
c. Describe the installation and placement of splitters and couplers in the drop system
2. Explain impedance matching and why it is necessary (50 ohm cable issues)
3. Describe A/B switches and when they are used4. Define the following (channel) filters and their
characteristics: a. Low pass b. High pass
i Band rejection ii Ingress mitigation
c. Band pass filter d. Band rejection filter e. Windowed filter f. Diplex filter g. Point of Entry (POE) for MoCA filter
function of active devices used 1. Define in-house amplifiers and the following
characteristics: a. Gain of device b. Applications
i Forward without reverse ii Forward with passive reverseiii Forward with active reverse
c. Specifications d. Placement e. Describe situations when an in
amplifier is necessary 2. Define RF modulators and the following
application: a. In-home signal distribution
function of security devices the customer’s
1. Define need for traps and how they 2. Define the need for security sleeves (
shields) and the following as related to security sleeves: a. Use b. Location c. Shield tool
3. Define locking terminators and the followinga. Locking terminator tool b. Use
4. Define lock box/house box a. Describe installations procedures
hand and power 1. Demonstrate the correct and safe methods of
using the following hand tools: a. Nut drivers b. Adjustable wrenches c. Screwdrivers d. Wire cutters e. Scratch awl
Describe the installation and placement of splitters and couplers in the drop system
nd why it is
witches and when they are used Define the following (channel) filters and their
Point of Entry (POE) for MoCA filter house amplifiers and the following
Forward with passive reverse Forward with active reverse
Describe situations when an in-house
odulators and the following
hey work leeves (security
and the following as related to security
and the following:
Describe installations procedures Demonstrate the correct and safe methods of
Comcast Contractor Broadband Premises Installer
G Recognize how building construction affects routing choices for interior and exterior wiring.
H Recognize the basic methods and procedures of planning and installing aerial drop cable at the customer’s premises.
Broadband Premises Installer Competencies Page 12 of 26
f. Knife g. Pliers
i Coaxial cable ii Telephony
h. Hammer i. Torque wrench j. Cable preparation tool k. Channel locks l. Hammer m. IDC pliers n. Telephone tools
i Modular connector crimper preparation tool
2. Demonstrate the correct and safe methods of using the following powered tools:a. Cordless screwdriver b. Cordless drills c. Electric drill
3. Demonstrate the correct and safe methods of using the following cable placement tools:a. Hand line b. Lay-up sticks c. Wall fishing devices
i Fish tape ii Glow rod
construction affects routing choices for interior and exterior
1. Distinguish between typical house types
2. Describe commonly-encountered wjoist locations and dimensions, and explain their relevance to drop cable installation
3. Describe the following construction situationsand explain their relevance to drop cable installation: a. Slab b. Pier and beam c. Crawlspace d. Ceiling types e. Plenum f. Mobile homes g. Attic
Recognize the basic methods planning
cable s premises.
1. Explain each of the following considerations regarding aerial drop cable routingduring aerial drop installation: a. Site survey and layout of the exterior
customer premises b. Obstacles to avoid when routing the aerial
drop cable c. Clearances to maintain when routing the
following drops:
Modular connector crimper preparation
Demonstrate the correct and safe methods of tools:
Demonstrate the correct and safe methods of using the following cable placement tools:
ypical house framing
encountered wall stud floor joist locations and dimensions, and explain their relevance to drop cable installation
construction situations, and explain their relevance to drop cable
Explain each of the following considerations routing techniques
of the exterior
Obstacles to avoid when routing the aerial
Clearances to maintain when routing the
Comcast Contractor Broadband Premises Installer
I Recognize the basic methods and procedures of planning and installing underground drop cable at the customer’s premises.
Broadband Premises Installer Competencies Page 13 of 26
i Non-powered drops ii Powered drop (minimal content)
(a) Riser Conduit (i) 8 feet and below (ii) Underground
1. Up to 8 feet d. Maximum allowable drop sag
2. Demonstrate proper pole attachments.a. Explain each of the following attachment
methods or considerations when working with strand at the pole: i Span clamps
(a) Cable guard/tree guardii Climbing space iii Cable routing iv Drop hanger clamps v Wrapping methods vi Drip loops vii Use of support ties
3. Explain each of the following pole or strand attachments when routing the drop cable from the pole: a. J-hook
i New attachments (a) Jump poles (notification of
attachment) b. Mid-spans
4. Define aerial trespass and explain how and why it should be avoided.
Recognize the basic methods planning
installing underground cable at the customer’s
1. Describe underground cable layout, and locate, identify, open, and inspect a pedestal
2. Explain the purpose of using a utility location service.
3. Explain the following placement methods used to bury the underground drop cable:a. Hand digging b. Plowing c. Trenching
i Utilizing joint trenches ii Hand trenching
d. Bores e. Conduits
4. Explain each of the following considerations regarding underground drop cable routing techniques: a. Site survey of the exterior customer
premises b. Cable locates before the underground
cable is buried
(minimal content)
Maximum allowable drop sag Demonstrate proper pole attachments.
Explain each of the following attachment nsiderations when working
Cable guard/tree guard
Explain each of the following pole or strand attachments when routing the drop cable from
Jump poles (notification of
Define aerial trespass and explain how and
cable layout, and how to and inspect a pedestal
utility location
Explain the following placement methods used to bury the underground drop cable:
Explain each of the following considerations regarding underground drop cable routing
Site survey of the exterior customer
Cable locates before the underground drop
Comcast Contractor Broadband Premises Installer
J Recognize the basic methods and procedures of attaching the drop cable at the tap.
K Recognize the methods and procedures of installing exterior wire and cable at the customer’s premises.
L Demonstrate coaxial cable bonding practices at the customer’s premises.
Broadband Premises Installer Competencies Page 14 of 26
c. Obstacles to avoid when routing the underground drop cable: i Ornamental lighting ii Sprinkler system iii Invisible dog fence
Recognize the basic methods and procedures of attaching
1. Define tap and each of the following as applicable to the tap; explain purpose andinstallation method for each of the following:a. Weatherproofing b. Terminators c. Traps and filters d. Step attenuators e. Drop tagging
i Purpose ii By service level iii By service status
2. Describe how to inspect the tap and its associated equipment a. Measure signal levels
Recognize the methods and
the
1. Demonstrate the ability to perform a coaxial cable house attachment in a typical television system.
a. Demonstrate proper house attachment procedures i P-Hook ii Underground routing
b. Distinguish between the following types of surfaces and explain how the installation would be accomplished for each surface:
i Wood ii Siding iii Aluminum iv Steel v Vinyl vi Slate vii Asbestos viii Brick ix Stucco
c. Explain drop cable routing at the house d. Explain how to route cable around gutterse. Knowledge of the codes governing
attachments to electrical mastcable 1. Explain the purpose and function of the
grounding electrode system. 2. Identify the proper locations for bonding the
residential cable television drop cable 3. Describe the following:
a. Bonding blocks
Obstacles to avoid when routing the
following as applicable to the tap; explain purpose and installation method for each of the following:
inspect the tap and its
Demonstrate the ability to perform a coaxial cable house attachment in a typical cable
Demonstrate proper house attachment
Distinguish between the following types of surfaces and explain how the installation would be accomplished for each surface:
Explain drop cable routing at the house Explain how to route cable around gutters Knowledge of the codes governing
to electrical masts Explain the purpose and function of the
Identify the proper locations for bonding the residential cable television drop cable
Comcast Contractor Broadband Premises Installer
M Recognize the methods and procedures of installing interior wire and cable within the customer’s premises.
N Understand the methods and procedures for installing broadband services to the customer’s premises.
Broadband Premises Installer Competencies Page 15 of 26
b. Ground (bonding) wire i Drop attachment ii Ground electrode attachment
4. Demonstrate the proper bonding techniques in the following circumstances: a. Single family homes b. Mobile homes c. Multiple dwelling units (MDUs)
Recognize the methods and procedures of installing interior
1. Explain how to perform the following mdwelling unit (MDU) installations: a. Prewire b. Postwire c. Wiring topologies
i Home run ii Loop-through
2. Explain the following cable placement practices for residential installations: a. Cable entry
i Drilling through barriers/substances, including: (a) Walls (interior and exterior) (b) Floors (c) Carpet (d) Basements, crawl spaces, attics,
utility rooms b. Materials
i Feed-thru bushings (a) Purpose
ii Wall plates iii Sealants/weatherproofing
c. Use of existing entry points d. Wiring Topologies
i Home run ii Loop through
e. Explain each of the following interior drop cable routing options: i Through flooring ii Stud cavities iii Attic iv Crawl space v Through basement vi Wall fish vii Prewire viii Postwire
Understand the methods and 1. Describe the methods and procedures for installing video service at the customer premises a. Provision digital box
Ground electrode attachment Demonstrate the proper bonding techniques in
s)
n how to perform the following multiple nit (MDU) installations:
following cable placement practices
Drilling through barriers/substances,
Walls (interior and exterior)
Basements, crawl spaces, attics,
Sealants/weatherproofing
Explain each of the following interior drop
Describe the methods and procedures for at the customer
Comcast Contractor Broadband Premises Installer
O Understand the basic principles of customer care and recognize methods for satisfying the customer when installing the video, voice and data services.
Broadband Premises Installer Competencies Page 16 of 26
b. Verify two-way operation
c. Use diagnostic screens 2. Describe the methods and procedures for
installing cables and wire used to provide service to the customer’s home. a. Provision eMTA
b. Measure signal levels c. Verify eMTA health d. Connect to customer’s telephone
Equipment
i List phone materials
e. Use diagnostic tools f. Port Telephone Number
3. Describe the methods and procedures for installing cables and wire used to provide speed data service to the customer’s home.a. Provision modem
b. Measure signal levels
c. Verify Modem Health d. Connect to customer’s PC
e. Use diagnostic tools f. Set-up Email g. Set-up Internet h. Wireless (as applicable)
i. Networking
4. Miscellaneous installation tasks a. Define “single play,” “double play,” “triple
play” b. Pole-only work
c. Describe the procedures for performing a reconnect
i Inspect / proof the drop d. Describe the procedures for performing a
change of service i Upgrade
ii Downgrade e. Describe the procedures for performing a
disconnect
principles of customer care and recognize methods for satisfying the customer when installing the video, voice and
1. Explain professionalism with respect to the field technician’s position; describe each of the following: a. Professionalism on the job
i Conduct ii Identification
(a) Individual (b) Vehicle
iii Job performance
Describe the methods and procedures for installing cables and wire used to provide voice
elephone
Describe the methods and procedures for installing cables and wire used to provide high-
service to the customer’s home.
play,” “double play,” “triple
Describe the procedures for performing a
Describe the procedures for performing a
procedures for performing a
Explain professionalism with respect to the field sition; describe each of the
Comcast Contractor Broadband Premises Installer
Broadband Premises Installer Competencies Page 17 of 26
(a) Job preparation (b) NCTA standards (minimum
standards) (i) On-time Guarantee
(c) Work verification (i) Verify correct services installed(ii) Verify proper operation of
installed services (iii) Record signal level readings;
identify and repair any problems1. Identify and repair any
problems 2. Automated close
(d) Work sign-off (i) List the steps for proper job
completion (ii) Explain the importance of task
codes (e) Customer education
(i) Parental control (ii) Awareness of current product
promotions (iii) Product knowledge(iv) Meeting previously unmet
service needs iv Customer property
(a) Clean up (b) Damage reporting (c) Repair order escalation(d) Entering the premises
(i) Unusual circumstances 1. Observable illegal activities
(ii) Unsafe circumstances 1. Animal control
b. Professionalism reflected when driving the company vehicle i Parking ii Driving iii Vehicle appearance
c. Professionalism reflected in personal appearance i Grooming ii Attitude iii Interpersonal skills iv Clothing
d. Professionalism reflected when off the jobi Stores and restaurants in company
uniform (a) Public behavior
NCTA standards (minimum
time Guarantee
services installed Verify proper operation of
Record signal level readings; identify and repair any problems
Identify and repair any
Automated close-out testing
List the steps for proper job
Explain the importance of task
Awareness of current product
Product knowledge Meeting previously unmet
escalation remises ircumstances
Observable illegal activities ircumstances
ontrol Professionalism reflected when driving the
Professionalism reflected in personal
Professionalism reflected when off the job Stores and restaurants in company
Comcast Contractor Broadband Premises Installer
Broadband Premises Installer Competencies Page 18 of 26
e. Stress management for cable personneli Handling an unhappy customerii Handling the workload iii Time management skills
2. Define customer interaction and describe how each of the following is affected by (or could affect) the image the customer has of the company: a. Explain the field technician’s role in
customer retention in the following situations: i Retaining customers
(a) Problem identification (b) Taking responsibility (c) Solving the problems (d) Following up with customer
ii Internal vs. external customers(a) Interaction with “front office”(b) Interaction with other technicians(c) Responsibility and accountability(d) Interaction with the general public
and non-customers b. Explain the following effective
communications skills and explain how these skills contribute to good customer relations: i Listening ii Clarity of speech iii Empathy iv Probing v Telephone etiquette
(a) Listening (b) Voice inflections (c) Background noise (d) Ending a call
vi After-hours calls c. Explain proper use of company
and/or personal communications devicesd. Describe conflict resolution e. Describe problem resolution
i Customer compensations
Stress management for cable personnel Handling an unhappy customer
and describe how each of the following is affected by (or could affect) the image the customer has of the
role in customer retention in the following
Following up with customer
Internal vs. external customers with “front office” with other technicians
Responsibility and accountability with the general public
Explain the following effective communications skills and explain how these skills contribute to good customer
Explain proper use of company-provided and/or personal communications devices
Comcast Contractor Broadband Premises Installer
IV. Troubleshooting and Maintenance
Competency A Recognize the function, use,
care, and maintenance of test equipment.
Broadband Premises Installer Competencies Page 19 of 26
Troubleshooting and Maintenance
Knowledge, Skills, and AbilitiesRecognize the function, use, care, and maintenance of test
1. Signal Level Meter (SLM) a. Display readouts of an analog channel
features b. Identify the following digital display
features: i QAM analyzer
(a) Modulation Error Rate (MER)(b) Bit Error Ratio (BER) (c) Code Word Error Rate (CWER)(d) DOCSIS statistics
c. Return test i Signal generator (for example, DSAM,
RSVP) ii Modem service certificate
(a) Web-based application / modem emulator
d. Video and audio carrier measurementse. Maintenance and care
i Charging ii Calibration-accuracy verificationiii Channel plans
f. RF operating parameters 2. Test TV
a. Tracking picture and/or sound impairmentsb. Diagnosing bad customer TV
3. Volt Ohm Meter (VOM)/Digital MultiMeter(DMM) a. Using resistance function
i Isolating shorts ii Identifying opens iii Cable identification
b. Using voltage function i Checking for hot (electrified) chassis
condition 4. Signal leakage detector
a. Ingress i Definition ii Symptoms iii Appearance iv Sources v Detection vi Repair vii Technician’s role; escalation
procedures
Knowledge, Skills, and Abilities
Display readouts of an analog channel
Identify the following digital display
Modulation Error Rate (MER)
Code Word Error Rate (CWER)
Signal generator (for example, DSAM,
application / modem
Video and audio carrier measurements
accuracy verification
Tracking picture and/or sound impairments
Volt Ohm Meter (VOM)/Digital Multi-
Checking for hot (electrified) chassis
Technician’s role; escalation
Comcast Contractor Broadband Premises Installer
Broadband Premises Installer Competencies Page 20 of 26
b. Egress i Definition ii Symptoms iii Sources iv Equipment
v Detection (a) Measuring 20µV/m
vi Repair vii Technician’s role; escalation
procedures c. System monitoring
i Cumulative Leakage Index (CLI)(a) Definition/requirement
5. Cable Locator a. Locating underground cables b. Identifying utility colors and flags
6. Time Domain Reflectometer (TDR)a. Definition b. Application and use
7. Line toner [tone and probe kit] a. Definition b. Application and Use
8. Polarity tester a. Definition b. Application and use
9. Return Path tester (example, RSVP)a. Definition b. Application and use
10. Butt set (voice applications) a. Definition b. Application and use
11. VOM (voice applications) a. Definition b. Application and use
12. Wire ID (voice applications) a. Definition b. Application and use
13. Wire mapper (voice applications) a. Definition b. Application and use
14. Brown meter (loop tester) (voice applications)a. Definition b. Application and use
15. Banjo (voice applications) a. Definition b. Application and use
16. Cable modem emulator a. Definition
Technician’s role; escalation
Cumulative Leakage Index (CLI) Definition/requirement
Identifying utility colors and flags
Time Domain Reflectometer (TDR)
(example, RSVP)
Brown meter (loop tester) (voice applications)
Comcast Contractor Broadband Premises Installer
B Recognize and understand the divide and conquer (isolation) method of troubleshooting.
C Recognize common analog and digital signal impairments
Broadband Premises Installer Competencies Page 21 of 26
b. Application and use c. Definition d. Provide examples for:
i Downstream ii Upstream
17. MOS–Mean Opinion Score a. Definition (what constitutes this score)
18. UTP (Ethernet) LAN Tester a. Definition b. Application and use
19. Perceptual Evaluation of Speech Quality (PESQ) a. Speech quality assessment
Recognize and understand the divide and conquer (isolation)
1. Explain the steps in the troubleshooting process: a. Symptom analysis
i Verify problem symptoms with customer b. Problem isolation c. Divide and conquer d. Problem resolution/repair e. Confirm problem resolution/repair
2. Diagnose equipment problems: a. Identify signal issues b. Interpret premises signal level readings (too
high; too low) c. List the procedures for troubleshooting the
set-top box and interactive program guide (IPG)
3. Ability to troubleshoot forward and return pathRecognize common analog and digital signal impairments.
1. Identify the name and/or cause following analog signal impairments (from a graphic, or description) such as: a. Snow (no picture) b. Blue TV screen c. Snowy picture d. Snowy picture on channels 2 through 6
only; lines in picture e. Ghosting f. Two pictures (co-channel) g. Flash or blip in picture h. Herringbone pattern i. Horizontal bars (hum bars) j. Diagonal lines (Intermodulation beats)k. CB radio interference l. Randomly flashing lines or flashing picture
i Electrical interference from appliance in the house
ii FM noise m. "Sparklies"
Definition (what constitutes this score)
Perceptual Evaluation of Speech Quality
roubleshooting
Verify problem symptoms with customer
epair
Interpret premises signal level readings (too
troubleshooting the top box and interactive program guide
Ability to troubleshoot forward and return path Identify the name and/or cause following analog signal impairments (from a photograph,
Snowy picture on channels 2 through 6
Diagonal lines (Intermodulation beats)
Randomly flashing lines or flashing picture Electrical interference from appliance in
Comcast Contractor Broadband Premises Installer
D Understand the basics of the provisioning process
E Troubleshoot HSD
F Troubleshoot VoIP
Broadband Premises Installer Competencies Page 22 of 26
i Terrestrial interference-outage in spring/fall (satellite/sun outages)
n. Scrambled picture 2. Identify the name and/or cause following digital
signal impairments (from a photograph, graphic, or description) such as: a. Tiling b. Blocking c. Freezing d. Jerkiness e. Smearing f. Artifacts g. Object retention h. Robotic voice i. Echo j. Dropped call k. Voice break up l. Slow web page m. Server not found n. Lip synch o. No picture / black screen
3. Media Impairments a. Name a typical cause of the following digital
impairments i BER ii Latency iii Jitter iv Packet Loss
Understand the basics of the 1. Define Provisioning 2. List the configuration files 3. List the provisioning steps
1. Ability to troubleshoot HSD service
1. Ability to troubleshoot VoIP service
utage in spring/fall (satellite/sun outages)
Identify the name and/or cause following digital signal impairments (from a photograph,
Name a typical cause of the following digital
Ability to troubleshoot HSD service
Ability to troubleshoot VoIP service
Comcast Contractor Broadband Premises Installer
V. Standards
Competency A Recognize the regulatory
agencies and/or standards that govern practices for providing video, voice and data services to the customer’s premises.
Broadband Premises Installer Competencies Page 23 of 26
Knowledge, Skills, and Abilities
agencies and/or standards that govern practices for providing video, voice and data services to the customer’s premises.
1. Identify the regulatory agencies that govern our workplace: a. Federal Communications Commission
(FCC) b. National Electrical Code (NEC)c. National Electrical Safety Code (NESC)d. Occupational Safety & Health
Administration (OSHA) e. Emergency Alert System (EAS)
2. Be aware of the term the National System Committee (NTSC) standard
3. Be aware of the local franchising authorities
Knowledge, Skills, and Abilities
Identify the regulatory agencies that govern our
Federal Communications Commission
National Electrical Code (NEC) National Electrical Safety Code (NESC) Occupational Safety & Health
Emergency Alert System (EAS) Be aware of the term the National Television System Committee (NTSC) standard
of the local franchising authorities
Comcast Contractor Broadband Premises Installer
VI. Safety
Competency A Recognize the industry
standard safe work practicesfor Personal Protective Equipment (PPE) and other job-related tools and equipment.
Broadband Premises Installer Competencies Page 24 of 26
Knowledge, Skills, and Abilities
standard safe work practices,
and other
1. Knowledge of Occupational Safety and Health Act of 1970
2. Describe the eye protection used during installation and service work; explain the minimum industry-adopted rating a. ANSI rating
3. Describe hearing protection used during installation and service work; explain the minimum industry-adopted rating:a. ANSI rating
4. Describe footwear worn during installation and service work; explain the minimum industryadopted rating: a. ANSI rating
5. Describe clothing worn (and not worn) during installation and service work.
6. Describe work gloves worn during installation and service work.
7. Describe hardhats used during installation and service work; explain the minimum industryadopted rating: a. ANSI rating
8. Describe voltage testers used during installation and service work; explain use and maintenance. a. Foreign voltage detector
9. Describe safety vest used during installation and service work; explain the following types of safety vests and when each is used:a. Class 1
i School crossing b. Class 2
i Up to 50 MPH c. Class 3
i Over 50 MPH 10. Identify the climbing equipment used during
installation and service work; explain each of the following components: a. Fall arrest systems b. Body belt
i D-rings ii Tool hooks
c. Gloves i Gauntlet
Knowledge, Skills, and Abilities Occupational Safety and Health
used during installation and service work; explain the
adopted rating
protection used during installation and service work; explain the
adopted rating:
Describe footwear worn during installation and service work; explain the minimum industry-
worn (and not worn) during
Describe work gloves worn during installation
Describe hardhats used during installation and service work; explain the minimum industry-
Describe voltage testers used during installation and service work; explain use and
Describe safety vest used during installation and service work; explain the following types of safety vests and when each is used:
Identify the climbing equipment used during installation and service work; explain each of
Comcast Contractor Broadband Premises Installer
B Recognize the industry standard safe work practices with respect to vehicle use.
Broadband Premises Installer Competencies Page 25 of 26
ii High voltage gloves (rubber gloves, liners, outer protectors)
d. Safety Strap i Snap hooks ii Nylon strap
11. Be aware of proper climbing techniques 12. Ladders
a. Define the following types of ladders and when each is used: i Step ladder
ii Extension ladder iii Combination step/extension ladder
b. Identify the parts of a ladder c. Describe ladder inspection before and
during use i Explain what to do with defective
ladders d. Describe ladder placement on the strand
(including midspan) and at the pole e. Describe ladder usage f. Be aware of proper ladder handling
techniques; describe the following:i Removing and replacing ladders on the
vehicle racks ii Carrying methods iii Ascend and descend iv Risks
13. Poles a. Demonstrate pole inspections
accomplished to ensure the pole and environment are safe
b. Demonstrate voltage testing c. Define climbing space d. Describe electrical hazards that could be
encountered when working at the pole
standard safe work practices .
1. Describe safe operation and maintenance of the company vehicle a. Describe how to conduct daily b. Describe how the vehicle’s appearance,
how it is driven, and how it is parked, reflects good customer relations
2. Describe the following traffic control a. Signs b. Cones
i Placement ii Tapering
3. Aerial Lift Trucks (awareness) a. Describe when an aerial lift vehicle (bucket
truck) is used
loves (rubber gloves,
limbing techniques
adders and
Combination step/extension ladder
nspection before and
Explain what to do with defective
lacement on the strand midspan) and at the pole
andling techniques; describe the following:
Removing and replacing ladders on the
nspections accomplished to ensure the pole and
azards that could be encountered when working at the pole
Describe safe operation and maintenance of
aily inspections ppearance,
how it is driven, and how it is parked, reflects good customer relations
ontrol devices:
Describe when an aerial lift vehicle (bucket
Comcast Contractor Broadband Premises Installer
C Recognize the industry standard safe work practices with respect to work zone safety.
D Recognize the industry standard safe work practices with respect to the work environment.
January, 2012
Broadband Premises Installer Competencies Page 26 of 26
b. Describe safe practices associated with aerial lift operation, including: i Use of wheel chocks ii Proximity awareness
standard safe work practices 1. Describe the process of analyzing
driving the company vehicle 2. Identify and describe the following work zone
traffic control devices and how the Manual on Uniform Traffic Control Devices (MUTCD), along with state and local policies, establishes: a. Cone placement (channelization devices)b. Sign placement (warning devices)
3. Describe traffic flow techniques
standard safe work practices 1. Describe the following hazardous
HAZCOM that may be encountered on the job: a. Identify the potential for asbestos
site and what to do if encountered b. Identify the potential for solvents
site and what to do if encounteredc. Identify the potential for fiberglass
Insulation at the job site and what to do if encountered
d. Identify the potential for lead paint at the job site and what to do if encountered
2. Describe the following extreme weather conditions and the safety precautions associated with each: a. Heat b. Cold c. Storms
3. Demonstrate proper ergonomics while on the job as related to lifting and repetitive motion activities
4. Identify potential animal encounters while on the job and describe the safety precautions to employ a. Wild animal b. Domestic animal
5. Demonstrate proper battery handling a. Stand-by power supplies b. Customer back-up c. eMTA
6. Describe the basics of electricity and precautions to take while working around energized conductors a. Electrical Safety b. AC power cord
afe practices associated with
nalyzing risks when
Identify and describe the following work zone traffic control devices and how the Manual on Uniform Traffic Control Devices (MUTCD), along with state and local policies, establishes:
(channelization devices) lacement (warning devices)
azardous materials–HAZCOM that may be encountered on the job:
sbestos at the job site and what to do if encountered
olvents at the job site and what to do if encountered
fiberglass at the job site and what to do if
Identify the potential for lead paint at the job site and what to do if encountered
extreme weather and the safety precautions
Demonstrate proper ergonomics while on the job as related to lifting and repetitive motion
Identify potential animal encounters while on the job and describe the safety precautions to
Demonstrate proper battery handling
Describe the basics of electricity and precautions to take while working around