3-8
Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide
OL-5052-08
Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters
8-Port Channelized T1/E1 SPA Overview
8-Port Channelized T1/E1 SPA Overview
The following sections describe the 8-Port Channelized T1/E1 SPA:
•
8-Port Channelized T1/E1 SPA LEDs, page 3-8
•
8-Port Channelized T1/E1 SPA Interface Specifications, page 3-9
•
8-Port Channelized T1/E1 SPA Cables, Connectors, and Pinouts, page 3-9
8-Port Channelized T1/E1 SPA LEDs
The 8-Port Channelized T1/E1 SPA has three types of LEDs. There are two LEDs for each port on the
SPA, and one STATUS LED as shown in
Figure 3-3
.
Figure 3-3
8-Port Channelized T1/E1 SPA Faceplate
The 8-Port Channelized T1/E1 SPA LEDs are described in
Table 3-6
.
Table 3-5
2-Port and 4-Port Clear Channel T3/E3 SPA Connectors
Connector Label
Meaning
TX
Transmitted signals appear on the center contact, and the outer shield is ground
for the 75-ohm RG-59 coaxial cable you attach to the TX BNC connector.
RX
Received signals appear on the center contact, and the outer shield is ground for
the 75-ohm RG-59 coaxial cable you attach to the RX BNC connector.
1
C/A (Carrier/Alarm) LED
3
STATUS LED
2
A/L (Active Loopback) LED
ST
ATUS
3
116852
SP
A-8XCHT1/E1
C/A
A/L
0
C/A
3
A/L
A/L
A/L
C/A
2
C/A
1
C/A
A/L
4
C/A
7
A/L
A/L
A/L
C/A
6
C/A
5
1
2
