Section 4 Central Office Produc

Central Office Products
Datacom
Switchboard Cable
Spec. 4753 • Type CMR • TIW Series
Product Construction
Conductors:
• 24 AWG solid tinned annealed copper
Insulation:
• Flame-retardant semi-rigid PVC
• Insulation thickness = 0.006"
Pairing:
• Three twists per foot minimum
Color Code:
PRODUCT
NUMBER
PAIRS
O.D.
(INCHES)
WEIGHT
(LBS/KFT)
7023039
2114621
6970073
6970065
7023021
6970123
7002975
7002967
3
4
12
25
32
50
75
100
0.13
0.16
0.24
0.36
0.37
0.46
0.56
0.64
13
16
42
84
106
168
247
352
• See Color Code Chart on page 52
Rip Cord:
• Applied longitudinally under jacket
Jacket:
• Gray tough flame-retardant PVC
Packaging
• 1000' reel (RL)
• Bulk reels are available upon request
Applications
• Voice
• T1 Fractional
• Category 2 applications
• Basic rate ISDN
Compliances
• ANSI/ICEA S-80-576
• UL & c(UL) Type CMR
Data subject to change without notice.
Electrical Characteristics
24 AWG
3-6pr
over 6prs
DC Resistance (max)
31.5
31.5
19
22
6.2
16
100 ± 15
7.1
18
100 ± 20
Ohms/1000ft @ 20˚C
Mutual Capacitance (nom)
pF/ft @ 1 kHz
Attenuation (nom)
dB/1000ft @ 0.772 MHz
dB/1000ft @ 4.224 MHz
Characteristic Impedance
Ohms @ 1 MHz (nom)
Conductor
Insulation
Jacket
Rip Cord
38