B-1
Cisco CGS 2520 Hardware Installation Guide
OL-31444-01
A P P E N D I X
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
H5
3
18
2 3
1
4 5 6 7 8
Pin
Label
1
2
3
4
5
6
7
8
RD+
RD-
TD+
NC
NC
TD-
NC
NC