3-15
Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide
OL-5052-08
Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters
2-Port and 4-Port OC-3c/STM-1 POS SPA Overview
The following sections describe the 2-Port and 4-Port OC-3c/STM-1 POS SPA:
•
OC-3c/STM-1 POS SPA LEDs, page 3-15
•
OC-3c/STM-1 POS SPA Interface Specifications, page 3-15
•
OC-3c/STM-1 POS SPA SFP Optical Transceiver Modules and Cables, page 3-16
OC-3c/STM-1 POS SPA LEDs
The 2-Port and 4-Port OC-3c/STM-1 POS SPAs have three types of LEDs. There are two LEDs for each
port on the SPA, and one Status LED.
Figure 3-10
shows an example of these LEDs on a 4-Port
OC-3c/STM-1 POS SPA.
Figure 3-10
4-Port OC-3c/STM-1 POS SPA Faceplate
The 2-Port and 4-Port OC-3c/STM-1 POS SPA LEDs are described in
Table 3-10
.
OC-3c/STM-1 POS SPA Interface Specifications
The framer processes incoming and outgoing SONET or SDH frames. The framer operates at
OC-3c/STM-1 (155.52 Mbps) line rates.
1
C/A (Carrier/Alarm) LED
3
STATUS LED
2
A/L (Active Loopback) LED
ST
ATUS
0
1
2
3
A/L
C/A
A/L
C/A
A/L
C/A
A/L
C/A
122938
1
2
3
Table 3-10
2-Port and 4-Port OC-3c/STM-1 POS 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
, loopback is off.
Amber
On
Port is enabled by
software
, 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.
