1-Port And 3-Port Clear Channel Oc-3 Atm Spa Interface Specifications; 1-Port And 3-Port Clear Channel Oc-3 Atm Spa Cables And Connectors - Cisco CRS-1 - Carrier Routing System Router Hardware Installation Manual

Chapter 3 Overview: Cisco CRS-1 Shared Port Adapters
Figure 3-2
1
2
The 1-Port and 3-Port Clear Channel OC-3 ATM SPA LEDs are described in
Table 3-3
LED Label
C/A
A/L
STATUS

1-Port and 3-Port Clear Channel OC-3 ATM SPA Interface Specifications

The physical layer interface for the 1-Port and 3-Port Clear Channel OC-3 ATM SPA is Optical Carrier-3
(OC-3), and the data link layer is designed to comply with ATM specifications. The 1-Port and 3-Port
Clear Channel OC-3 ATM SPA provides up to one and three 155-Mbps OC-3 network interfaces,
respectively, for all supported platforms.
Each SPA port accepts an SFP module with a duplex LC-type receptacle that allows connection to
single-mode or multimode optical fiber.

1-Port and 3-Port Clear Channel OC-3 ATM SPA Cables and Connectors

The 1-Port and 3-Port Clear Channel OC-3 ATM SPA uses a small form-factor pluggable (SFP) optical
transceiver module installed in each port for SONET and SDH single-mode and multimode optical fiber
connection (see
OL-17439-01
3-Port Clear Channel OC-3 ATM SPA Faceplate
C/A (Carrier/Alarm) LED
A/L (Active Loopback) LED
1-Port and 3-Port Clear Channel OC-3 ATM SPA LEDs
Color State
Off Off
Green On
Amber On
Off Off
Green On
Amber On
Off Off
Amber On
Green On
Figure 3-3).
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
1-Port and 3-Port Clear Channel OC-3 ATM SPA Overview
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, and loopback is off.
Port is enabled by software, and loopback is on.
SPA power is off.
SPA power is on and good, and SPA is being configured.
SPA is ready and operational.
1 2 3
SPA-3XOC3-ATM-V2
Table 3-3.
3-5