Installation guide

A-8
Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
OL-16215-10
Appendix A Technical Specifications
SFP Port Connector Pinouts
SFP Port Connector Pinouts
Table A-14 lists the pinouts for the SFP port.
Cable Specifications
This section provides specifications for the following Ethernet cables:
• Straight-through cable
• Crossover cable
Because of the autocrossover (autosensing) function, both straight-through and crossover cables can be
used for the Ethernet LAN port.
Ta b l e A-14 SFP Port Pinouts
Pin Function
1 TX Ground
2 TX Fault
3 TX disable
4 Module definition 2
5 Module definition 1
6 Module definition 0
7 Rate Select
8 Loss of signal
9 Receiver ground
10 Receiver ground
11 Receiver ground
12 Inverted received data out
13 Received data out
14 Receiver ground
15 Receiver power
16 Transmitter power
17 Transmitter ground
18 Transmit data in
19 Inverted transmit data in
20 Transmitter ground