3-11
Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide
OL-5052-14
Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters
1-Port Channelized STM-1/OC-3 SPA Overview
8-Port Channelized T1/E1 SPA Cables, Connectors, and Pinouts
Figure 3-4
shows an RJ-45 connector.
Note
The terms RJ-45 and RJ-48c are sometimes used interchangeably. The RJ-48c is the jack or receptacle;
the RJ-45 is the connector.
Figure 3-4
RJ-45 Connector
Table 3-7
describes the signals and connector pinouts for RJ-45 cable connectors.
1-Port Channelized STM-1/OC-3 SPA Overview
The following sections describe the 1-Port Channelized STM-1/OC-3 SPA :
•
1-Port Channelized STM-1/OC-3 SPA LEDs, page 3-11
•
1-Port Channelized STM-1/OC-3 SPA Interface Specifications, page 3-12
•
1-Port Channelized STM-1/OC-3 SPA Cables and Connectors, page 3-13
1-Port Channelized STM-1/OC-3 SPA LEDs
The 1-Port Channelized STM-1/OC-3 SPA has two types of LEDs: an A/L LED for each port and a
STATUS LED, as shown in
Figure 3-5
.
32770
RJ-45
RJ-48c
Pin 1
Pin 8
Table 3-7
RJ-45 Connector Pinouts
Pin
Signal
Description
1
RX–
Receive ring –
2
RX+
Receive tip +
3
NC
No connection
4
TX–
Transmit ring –
5
TX+
Transmit tip +
6
NC
No connection
7
NC
No connection
8
NC
No connection