8-Port Channelized T1/E1 Spa Cables, Connectors, And Pinouts; Port Fastethernet Spa Overview - Cisco XR 12000 Series Hardware Installation Manual

8 Port FastEthernet 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

Figure 2-4
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.
Figure 2-4
Pin 1
Table 2-8
Table 2-8
Pin
1
2
3
4
5
6
7
8

8 Port FastEthernet SPA Overview

The following sections describe the 8-Port FastEthernet SPA:
•
•
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
2-10
shows an RJ-45 connector.
RJ-45 Connector
Pin 8
describes the signals and connector pinouts for RJ-45 cable connectors.
RJ-45 Connector Pinouts
Signal
RX–
RX+
NC
TX–
TX+
NC
NC
NC
8-Port FastEthernet SPA LEDs, page 2-11
8-Port FastEthernet SPA Cables, Connectors, and Pinouts, page 2-11
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
RJ-45
RJ-48c
Description
Receive ring –
Receive tip +
No connection
Transmit ring –
Transmit tip +
No connection
No connection
No connection
OL-17438-04