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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 Clear Channel OC-12 ATM SPA Overview
Figure 2-52
1-Port Clear Channel OC-12 ATM SPA Faceplate
The 1-Port Clear Channel OC-12 ATM SPA LEDs are described in
1-Port Clear Channel OC-12 ATM SPA Interface Specifications
The physical layer interface for the 1-Port Clear Channel OC-12 ATM SPA is Optical Carrier-12
(OC-12), and the 1-Port Clear Channel OC-12 ATM SPA is designed to comply with ATM specifications.
The 1-Port Clear Channel OC-12 ATM SPA provides one 622.08 Mbps OC-12 network interface for all
supported platforms.
The single SPA port accepts an SFP module with a duplex LC-type receptacle that allows connection to
single-mode or multimode optical fiber.
1
C/A (Carrier/Alarm) LED
3
STATUS LED
2
A/L (Active Loopback) LED
ST
AT
US
A/L
C/A
Port 0
SPA-1XOC12-ATM-V2
270703
0
3
1
2
Table 2-45
1-Port Clear Channel OC-12 ATM 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 SONET 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.
Amber
On
SPA power is on and good, and SPA is being configured.
Green
On
SPA is ready and operational.
