B-1
Cisco CGS 2520 Hardware Installation Guide
78-19377-02
APPENDIX
B

Connector and Cable Specifications

This appendix contains the following topics:
Connector Specifications, page B-1
Cables and Adapters, page B-4

Connector Specifications

10/100 Ethernet Ports, page B-1
SFP Module Connectors, page B-2
Dual-Purpose Ports, page B-3
Alarm Port, page B-3
10/100 Ethernet Ports
The 10/100 Ethernet ports use standard RJ-45 connectors and Ethernet pinouts with internal crossovers.
These ports have the send (TD) and receive (RD) signals internally crossed so that a twisted-pair
straight-through cable and adapter can be attached.
Figure B-1 10/100 Port Pinouts
H5318
231 45678Pin Label
1
2
3
4
5
6
7
8
RD+
RD-
TD+
NC
NC
TD-
NC
NC