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T1 Voice Module Cabling Requirements Passport 4400 Hardware Installation Manual
D-5
Table D-1. Maximum Distance of Exchange-Grade Telephone Cable,
With Transmit and Receive Pairs in the Same Binder Group
Table D-2. Maximum Distance of Exchange-Grade Telephone Cable,
With Transmit and Receive Pairs in Different Binder Groups
Minimum Binder Size Maximum Distance in Feet (Loss in dB)*
18 pair 12 pair 6 pair 26 Awg 24 Awg 22 Awg 19 Awg
1 System ... ... 4220 (33) 5450 (32) 6530 (31) 8450 (29)
2 Systems 1 System .... 3840 (30) 4940 (29) 5890 (28) 7580 (26)
4 Systems 2 Systems 1 System 3450 (27) 4330 (26) 5260 (25) 6710 (23)
8 Systems 4 Systems 2 Systems 3070 (24) 3020 (23) 4630 (22) 5830 (20)
12 Systems 6 Systems 3 Systems 2840 (22.2) 3610 (21.2) 4250 (20.2) 5310 (18.2)
* Values for 140
°
F(60
°
C) maximum temperature. Distance will increase slightly with lower temperatures.
Minimum Binder Size Maximum Distance in Feet (Loss in dB)*
18 pair 12 pair 6 pair 26 Awg 24 Awg 22 Awg 19 Awg
1 System ... ... 4280 (33.5) 5710 (33.5) 7050 (33.5) 9770 (33.5)
1 System 1 System ... 4280 (33.5) 5710 (33.5) 7050 (33.5) 9330 (32)
1 System 2 Systems 1 System 4220 (27) 5450 (32) 6530 (31) 8450 (28)
1 System 4 System 2 System 3840 (30) 4940 (29) 5890 (28) 7580 (26)
1 System 6 Systems 3 System 3610 (28.2) 4630 (27.2) 5520 (26.2) 7060 (24.2)
1 System 8 Systems 4 Systems 3450 (27) 4430 (26) 5260 (25) 6710 (23)
1 System 12 Systems 6 Systems 3200 (25) 4090 (24) 4840 (23) 6120 (21)
* Values for 140
°
F(60
°
C) maximum temperature. Distance will increase slightly with lower temperatures.