CX950 Hardware Reference Manual
7-10
3021M100-002
7.7 E&M Pin-Outs and Wiring for Octopus Cables
Two types of Octopus cables are available. Each type terminates at the user-end
with a USOC standard Telco 25-pair female connector. At the Analog Voice I/O
side:
• 8-leg cables with RJ-12 connectors, this type is used with E&M (4-wire) Types I and
V.
• 6-leg cables with PB-45 connectors, this type is used with E&M (4-wire) Types I
t hrou gh V .
Table 7-6 RJ-12 Pin-out
Pin Signal
1 E
2T1
3R
4T
5R1
6M
Table 7-7 PB-45 Pin-out
Pin Signal
1 M
2E
3T1
4R
5T
6R1
7SG
8SB