Specifications
50003510
Revision A
227
Loop Lengths
Loop lengths for various cards are given below:
Card Type
Wire Gauge
(AWG)
Loop Length
DNIC Line Card or DNIC Module
(Connected to Digital Telephone)
(Connected to DNIC Console)
24
26
24
26
1006 m (3300 ft)
1006 m (3300 ft)
1006 m (3300 ft)
1006 m (3300 ft)
ONS Card
22
24
26
3560 m (11700 ft)
2250 m (7400 ft)
1400 m (4600 ft)
ONS Module (SX-200 SPINE)
22
24
26
1784 m (5850 ft)
1128 m (3700 ft)
700 m (2300 ft)
OPS Card
22
24
26
18290 m (60000 ft)
11520 m (37800 ft)
7225 m (23700 ft)
COV Card
22
24
26
2000 m (6600 ft)
1500 m (5000 ft)
1000 m (3300 ft)
E & M Trunk
22
24
26
2715 m (8900 ft)
1708 m (5600 ft)
1068 m (3500 ft)
DID Trunk Card - CO Trunk resistance
na
2240 ohms
LS/GS Trunk Card - CO Trunk resistance
na
1600 ohms
LS/CLASS II Module - CO Trunk resistance
na
1600 ohms
T1 Trunk (cable lengths not loop lengths for 22
gauge wire)
S1 only closed: 0 - 45.8 m (0 - 150 ft)
S2, S3, S4 closed: 45.8 - 137.3 m (150 - 450 ft)
S5, S6, S7 closed: 137.3 - 200 m (450 - 655 ft)
22
These are cable lengths,
not loop lengths. Set DIP
switches on T1 Trunk
card for correct
equalization depending
on cable length between
the T1 Trunk and the
Channel Service Unit
(CSU).
Содержание SX-2000 EL
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