8-Port Fast Ethernet Spa Overview - Cisco 12000 Series Hardware Installation Manual

8-Port Fast Ethernet SPA Overview

Shielded twisted pair (STP) T1/E1 cables must be used to comply with EN55022/CISPR22 Class A
Warning
emissions requirements. For revisions 73-8358-05 through 73-8358-08 Shielded Twisted pair (STP)
T1/E1 cables must be used to comply with FCC Class A emissions requirements.
8-Port Channelized T1/E1 SPA Cables, Connectors, and Pinouts
The terms RJ-45 and RJ-48c are sometimes used interchangeably. The RJ-48c is the jack or receptacle;
Note
the RJ-45 is the connector.
Pin 1
Table 2-8
Pin
2
3
4
5
6
7
8
8-Port Fast Ethernet SPA Overview
•
•
2-10
RJ-45 Connector
Pin 8
RJ-45 Connector Pinouts
Signal
RX–
RX+
NC
TX–
TX+
NC
NC
NC
RJ-45
RJ-48c
Description
Receive ring –
Receive tip +
No connection
Transmit ring –
Transmit tip +
No connection
No connection
No connection