2-Port And 4-Port Oc-3C/Stm-1 Atm Spa Leds - Cisco 7600 series Hardware Installation Manual

Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters
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2-Port and 4-Port OC-3c/STM-1 ATM SPA LEDs

The 2-Port and 4-Port OC-3c/STM-1 ATM SPA has three types of LEDs. There are two LEDs for each
port on the SPA, and one STATUS LED.
OC-3c/STM-1 ATM SPA:
Figure 3-8
1
2
The 2-Port and 4-Port OC-3c/STM-1 ATM SPA LEDs are described in
Table 3-9
LED Label
C/A
A/L
STATUS
OL-5052-08
2-Port and 4-Port OC-3c/STM-1 ATM SPA LEDs, page 3-13
2-Port and 4-Port OC-3c/STM-1 ATM SPA Interface Specifications, page 3-14
2-Port and 4-Port OC-3c/STM-1 ATM SPA Cables and Connectors, page 3-14
4-Port OC-3c/STM-1 ATM SPA Faceplate
1 2
C/A (Carrier/Alarm) LED
A/L (Active Loopback) LED
2-Port and 4-Port OC-3c/STM-1 ATM SPA LEDs
Color State
Off Off
Green On
Amber On
Off Off
Green On
Amber On
Off Off
Amber On
Green On
Figure 3-8 shows an example of these LEDs on a 4-Port
3 STATUS LED
Meaning
Port is not enabled by software.
Port is enabled by software, and there is a valid SONET signal
without any alarms.
Port is enabled by software, and there is at least one alarm.
Port is not enabled by software.
Port is enabled by software, loopback is off.
Port is enabled by software, loopback is on.
SPA power is off.
SPA power is on and good, and SPA is being configured.
SPA is ready and operational.
Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide
2-Port and 4-Port OC-3c/STM-1 ATM SPA Overview
SPA-4XOC3-ATM
Table 3-9.
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3-13