2-32
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
1-Port Channelized STM-4/OC-12 SPA Overview
•
1-Port Channelized STM-4/OC-12 SPA Interface Specifications, page 2-33
•
1-Port Channelized STM-4/OC-12 SPA Cables and Connectors, page 2-33
1-Port Channelized STM-4/OC-12 SPA LEDs
The 1-Port Channelized STM-4/OC-12 SPA has two types of LEDs: an A/L LED for each port and a
STATUS LED, as shown in
.
Figure 2-19
1-Port Channelized STM-4/OC-12 SPA Faceplate
The 1-Port Channelized STM-4/OC-12 SPALEDs are described in
.
1
C/A (Carrier/Alarm) LED
3
STATUS LED
2
A/L (Active Loopback) LED
S
U
T
A
T
S
A
/
C
L
/
A
2
8
0921
S
PA-1XCHOC12/D
S
0
3
1
2
Table 2-28
1-Port Channelized STM-4/OC-12 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 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, loopback is off.
Amber
On
Port is enabled by software, 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 SPA is being configured.