Cisco XR 12000, Hardware Installation Manual

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2-5
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
2-Port and 4-Port T3/E3 Serial SPA Overview
2-Port and 4-Port T3/E3 Serial SPA Overview
The following sections describe the 2-Port and 4-Port Clear Channel T3/E3 SPA:
•
2-Port and 4-Port Clear Channel T3/E3 SPA LEDs, page 2-5
• 2-Port and 4-Port Clear Channel T3/E3 SPA Interface Specifications, page 2-6
•
2-Port and 4-Port Clear Channel T3/E3 SPA Cables and Connectors, page 2-6
2-Port and 4-Port Clear Channel T3/E3 SPA LEDs
The 2-Port and 4-Port Clear Channel T3/E3 SPA has three types of LEDs: two LEDs for each port on
the SPA, and one STATUS LED, as shown in
Figure 2-1 .
Figure 2-1 4-Port Clear Channel T3/E3 SPA Faceplate
Table 2-3 describes the 2-Port and 4-Port Clear Channel T3/E3 SPA LEDs.
1 C/A (Carrier/Alarm) LED 4 RX (Receive) connector
2
A/L (Active Loopback) LED
5
STATUS LED
3
TX (Transmit) connector
C/A
TX
RX
1
ST
ATUS
SPA-4XT3/E3
0
A/L
C/A
TX
RX
A/L
C/A
TX
RX
2
A/L
C/A
TX
RX
3
A/L
1
2
3 4 5
116851
Table 2-3 2-Port and 4-Port Clear Channel T3/E3 SPA LEDs
LED Label Color State Meaning
C/A Off Off Port is not enabled by software.
Green On Port is enabled by software, and there is a valid E3 or T3
signal without any alarms.
Amber On Port is enabled by software, and there is at least one alarm.
A/L Off Off Port is not enabled by software.
Green On Port is enabled by software, and loopback is off.
Amber On Port is enabled by software, and loopback is on.
STATUS Off Off SPA power is off.
Green On SPA is ready and operational.
Amber On SPA power is on and good, and the SPA is being configured.