BRIS (ER 10-22,23-18) Flashcards
1
Q
Bonding option 2
A
power company ground conductor (ground wire)
2
Q
Why must there be a notch in the dielectric cutting blade?
A
to prevent nicking or scoring of the center conductor
3
Q
Plastic fasteners must be
A
UV and ozone stable
4
Q
Inside drop cable should never be run how?
A
under carpets, over or through door frames, or through windows
5
Q
This type of cable should bu used in the vertical run of a shaft or from floor to floor in MDU.
A
CATVR
6
Q
cable clips must be spaced every to vertically.
A
30 to 36 inches
7
Q
drop clearance from phone at mid-span
A
6 inches
8
Q
Premises Drop Cable that must be replaced if found.
A
All premises drop cables with copper braid wires
All premises drop cables that have a solid dielectric material
All drop cables that do not have the inner foil bonded to the dielectric
All Series 59 size indoor drop cables interfering with proper RF signal reception (must be
replaced with new Series 6 drop cable)
9
Q
All new construction homes must have what installed in the trench?
A
conduit or cable-in-conduit
10
Q
DOCSIS Transmit Power Maximum Level
A
less than or equal to 54 dBmV
11
Q
When cutting input and output cables for placement at the service distribution point,
enough cable must be left to make a______
on each cable
A
5-inch-diameter drip loop
12
Q
drop clearance over residential driveways subject to truck traffic
A
15.5 feet
13
Q
Aerial service drops must NEVER me attached to
A
power service mast, tv antennas, chimneys, lightning rods, or gutters
14
Q
Requirements for Cables used for RF signal distribution in all new installations
A
Minimum size Series 6
minimum foil-braid-foil, tri-shield configuration that includes a bonded inner foil tape, outer foil tape bonded to the jacket, and at least 77% braid coverage
15
Q
ANSI/SCTE 161 2009
A
Drop Amplifiers
16
Q
Bonding option 6
A
Grounded interior metal cold water piping system
17
Q
Digital 256 QAM Minimum level at CPE
A
-8 dBmV
18
Q
Legacy drop installations can forgo a drop clamp only if this is done properly.
A
2-4-4
19
Q
How many splices are allowed in a new aerial drop installation?
A
Zero
20
Q
Bonding option 4
A
grounded metal conduit if the power mast, or the metal conduit between the power meter and the circuit breaker cabinet
21
Q
Underground drop cable restorations requiring splicing must allow only ______
in any cable longer than 60 feet and not crossing a driveway
A
two splices
22
Q
What must be in amplifiers with a passive port to prevent ingress in the event DC power is removed?
A
a mechanism to properly terminate the internally amplified legs.
23
Q
BER Post-FEC Minimum Threshold at CPE
A
<1.0E-09
24
Q
max length of jumper between wall plate and cpe
A
6 feet
25
drop clearance from power at the house
12 inches
26
ANSI/SCTE 123 2011
F-Connectors minimum mechanical and electrical specs
27
The bonding wire attachment must accommodate wire sizes from
```
#6 AWG to #14
AWG solid copper
```
28
outside entry holes must be sealed with
RTV sealant
29
When using bonding option 6, if a water meter is present, what is needed?
#6 AWG copper wire to jump across meter
30
cable clips must be spaced every _ to _ inches horizontally
18 to 24 inches
31
What should a temporary drop run along to prevent tripping or entanglement?
an existing fence line
32
What is required to be installed over the drop cable where it enters house?
an outside feed-through bushing
33
what part of floor/ceiling joist span is prohibited from drilling through?
the middle one-third
34
What should be done before to drop before installing a connector
Disconnect drop from live plant to minimize inadvertent injection of noise
35
the grounding conductor is made of
solid copper
36
All new underground installations and cable replacements must have the cable installed in
an approved conduit
37
grounding conductor for bonding Series-11 or QR-320 drop cable.
#6 AWG
38
All new drop installations must used these for dead-ending messengered drop cable.
approved drop clamps
39
ANSI/SCTE 129 2007
Drop Passives: Bonding Blocks
40
Bonding option 1B
the structure's grounding bridge
41
length of grounding conductor or ground wire shall not exceed ____ in length.
20 feet
42
All unused tap ports must be terminated using
locking terminators with internal 75-
| ohm resistors
43
drop clearance from phone at the house
6 inches
44
Passive Devices that must be replaced
Any splice or passive device that appears corroded, that is moist or wet inside, or that shows
any other signs of moisture contamination; in such cases, the connector as well as the
device it was connected to shall be replaced
Any splitter or passives with a bandwidth of less than 1,002 MHz (1 GHz)
Any splitter or passives that do not support a minimum return bandwidth of 5 MHz to 42 MH
45
Connectors that must be replaced:
All hex-crimp type connectors
All screw-on type connectors (i.e. connectors that thread onto the drop cable)
All push-on type connectors
All external non-weather-tight connectors must be replaced or weather proofed
o Thread sealing sleeves of the appropriate length must be installed onto all external
connections including inside pedestals and service distribution enclosures.
All connectors that are corroded, moist or wet inside, have a black center conductor, or show
other signs of moisture contamination inside the connector
46
ANSI
American National Standards Institute
47
Bonding option 3
directly to the power company grounding electrode (ground rod)
48
For mobile home installations, the enclosure must be mounted to what?
service pole
49
Cable used for underground installations must have what type of jacket?
polyethylene (PE)
50
Legacy STB Upstream Power Maximum Level
57 dBmV
51
Underground drop cable must extend a minimum of ___above the tap at the
pedestal or vault.
12 inches
52
Analog Video Maximum Level at CPE
15 dBmV
53
Clip guns must use what to prevent crushing the cable?
half-round plastic insert
54
drop clearance over residential driveways not subject to truck traffic
11.5 feet
55
This feature is required and allows amplifiers to be powered via one of the connected output drop cables.
Remote Powering
56
In an aerial installation, the length of a trap/filter which is installed on a tap must not
exceed
the length of a locking terminator
57
drop clearance above all points above a flat roof
10.5 feet
58
drop clearance from power at mid-span
24 inches
59
In an underground installation, what must be used between the tap port and the
trap?
a jumper
60
NESC
National Electrical Safety Code
61
F-81 indoor splice connectors must have at least one end with the threads all the way to the base of the port to accommodate:
panel nuts and mounting to wall plates
62
. If a cable is damaged under a sidewalk or driveway, new cable must be
placed for that portion and must be spliced a minimum of ___ from the edge of
the sidewalk or driveway.
12 inches
63
what 2 tags must be placed on every aerial drop?
drop address tag
| service tag
64
When routing the underground drop parallel to lot lines, routing must stay
4 feet away from those lines
65
All connections, EXCEPT those on Customer Premises Equipment (CPE), must be
wrench-tightened to a minimum of
20 inch-pounds
66
ANSI/SCTE 153 2008
Drop Passives: Splitters, Couplers and Power Inserters
67
after finishing work, all pedestals must be
closed and locked
68
to use Bonding option 6, the bond must be made within ___ feet of where the metal underground pipe enters the structure
5
69
The drop cable must be tensioned to match
the sag of the power drop
70
To prevent water damage, all exterior entry must be drilled
so the outside of the hole is slightly lower than the hole on the inside of the wall
71
to use cold water pipe as a bonding option, a VOM must measure a resistance of less than___ between bonding point and common house ground
25 Ohms
72
Amplification on the forward path must be
unity gain
73
What must be done to a locking terminator if a drop is parked on the bottom of it?
it must be sealed to prevent moisture contamination
74
Underground drop cables routed down a pole must have physical protection, cable guard or conduit, to a point at least ______ below ground.
8 inches
75
Why must extra cable be left at splice locations at sidewalks and driveways?
to prevent pull-out caused by frost heaving.
76
Underground drop cable restorations requiring splicing must allow only ____
in any cable section between driveways (independent of length).
TWO splices
77
Entry holes in mobile homes must be
through floor only.
78
why must amplifier power supply transformers have a mounting tab?
to secure the device to a wall outlet
79
ANSI/SCTE 74 2003
Specification for Braided 75 ohm Coax Drop Cable
80
Type of cable to use in environmental air handling plenums and ducts.
CATVP
81
target completion time frame to bury drop after temporary drop is installed?
No later than 30 days
82
All underground drops that must be replaced
All underground drop cables with copper braid wires
All underground drop cables that have a solid dielectric material
All underground drop cables that do not have an underground flooding compound applied to
the braid
All underground drop cables that do not have the inner foil bonded to the dielectric
All underground drop cables that do not have a polyethylene (PE) jacket
All underground drop cables where the number of splices between the tap and the grounding
point at the house or building entrance exceeds the requirements
83
aerial drop routing must follow what, wherever possible?
power service drop
84
Upstream SNR Minimum Level
31 dB
85
requirements for mounting wall plates
same height as the electrical outlets and no closer than 6 inches from any electrical outlet
86
drop clearance above roofs not accessible to pedestrians
3 feet
87
Why must wall plates have a 7/16-inch hex recess molded into the wall plate?
to hold the F-81 and prevent it from turning
88
minimum climbing space from the center of the pole that must be maintained at all times.
30-inch square
89
Downstream SNR Minimum Level
35 dB
90
BER Pre-FEC Minimum Threshold at CPE
<1.0E-07
91
Bonding option 1A
#6 AWG copper stub
92
What is only location span clamp can be attached to?
the strand
93
the order of connection in for a mid-span drop
pole to the mid-span point, and then to the house
94
minimum diameter of drip loop half circle from drop cable grip to the strand
5 inches
95
MER 256 QAM Minimum Threshold at CPE
35 dB
96
Underground drop cables routed down a pole must have physical protection, cable guard or conduit, to a point at least ______above ground.
8 feet
97
Drop clearance over roads, streets, alleys; nonresidential driveways ; parking lots and other areas subject to truck traffic
18 feet
98
drop clearance from phone at the pole
12 inches
99
Only as a last resort, drilling of a foundation will require
Supervisor approval
100
Underground drop cable restorations requiring splicing must allow only ____ splice in any cable shorter than 60 feet and not crossing a drive way.
ONE
101
Cutting blades in all drop cable prep tools shall be replaced
monthly
102
What must each locking terminator have inside?
an internal 75-ohm resistor to terminate the signal
103
F-81 drop splice barrel connectors must have a non-threaded area at the base to accommodate what?
weatherproofing devices
104
conduit for underground drops must be buried to a minimum of
8 inches
105
All amplifiers must have ___ or ___ ports including the passive port
5 or 9
106
grounding conductor for bonding Series-6 drop cable
#12 AWG
107
Underground drop cable must extend a minimum of ___ past the ground block at the house for installation
12 inches
108
All F-connectors must be
compression-type with 360-degree retention of the cable
109
span clamps must NEVER be placed over what?
lashing wire
110
F-ports must have a non-threaded area at the base of the port to accommodate
weatherproofing devices
111
Cables used for aerial installations must have what?
an integral self-supporting strength
| member. (messenger)
112
Digital 256 QAM Maximum level at CPE
10 dBmV
113
When is Series-11 or QR-320 cable permissible?
only for aerial drops greater than 150 feet in
length in situations where its use will improve RF forward signal levels to within
acceptable ranges as defined in Section 9 of this standard, and will therefore eliminate
the need for RF signal amplification in the home.
114
How often should compression tools be inspected?
monthly
115
Cable used for underground installations must have what on the braid wires?
a flowing, self-healing flooding compound
116
All passive and active equipment shall support a minimum return bandwidth of
5 MHz
| to 42 MHz
117
All underground drop bores and installations shall comply with:
national, state, and local laws.
118
The protective conduit or molding for underground drops must extend at least_____below ground at the house.
8 inches
119
```
all underground drops emerging from the ground must have
physical protection (cable guard or conduit) to a point at least____
```
4 feet above ground or until reaching the service enclosure location at the house.
120
Bonding option 5
metallic meter cabinet
121
All passive and active equipment shall support a minimum forward bandwidth of
54
| MHz to 1,002 MHz (1 GHz)
122
Max length for Series-6 drop cable
150 feet
123
F-connectors on all Comcast-provided CPE must be securely tightened to
maximum of 10 inch-pounds
124
For taps in a pedestal where the pedestal is not large enough to attach the
disconnected drop to the Locking Terminator and still maintain the minimum bend
radius of the cable, use a
drop saver plug-type device or approved encapsulating
| device
125
How many splices are allowed in a temporary aerial drop restoration?
TWO
126
Aerial drops that must be replaced
All non-messenger aerial drop cables
All Series 59 size aerial drop cables
Aerial drop cables that have a splice between the tap and bonding location
All aerial drop cables with copper braid wires
All aerial drop cables that have a solid dielectric material
All aerial drop cables that do not have the inner foil bonded to the dielectric
All aerial drop cables that exhibit significant physical damage
127
ANSI/SCTE 02 2006
Specification for "F" Port, Female, Indoor
128
Analog Video Minimum Level at CPE
0 dBmV
129
What siding material needs to be drilled from the inside out?
Wood Siding
130
what must be done to unused ports on a splitters?
install a terminator with a 75-ohm resistor
131
max degree loop for cables at service enclosure
270 degrees
132
drop clearance from power at the pole
40 inches
133
If power service equipment is not within 30 feet of the mobile home, what should technician bond to?
grounded metal I-beam underneath the mobile home.
134
Upstream Ingress Maximum Threshold
-30 dBmV
135
How many bonding options are available at fixed dwellings?
6
136
To prevent cable damage, these must be used over hardline cable
everywhere the hardline cable is lashed up to the strand and is close to the span
clamp location
cable guards
137
What needs installed in a floor entry hole before inserting cable in mobile homes?
a wall bushing
138
All aerial drops must meet the requirements of what NEC article?
Article 820 of the National Electrical
| Code (NEC)
139
drop clearance above sidewalks or other pedestrian traffic areas
10 feet
140
Cables used for aerial installations must have what on the braid wire?
a non-flowing flooding compound
141
PE cable jacket
Polyethylene cable jacket
142
ANSI/SCTE 01 2006
Specification for "F" Port, Female, Outdoor
143
If there is
| no power drop reference, the drop cable must be tensioned for a minimum of
6 inches of sag for every 50 feet in length
144
what must be removed between the house hook and the groundblock?
messenger wire
145
aerial drops must not interfere with what at the pole?
climbing space
