Cisco CRS-1 - Carrier Routing System Router

3-7
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
OL-17439-01
Chapter 3 Overview: Cisco CRS-1 Shared Port Adapters
1-Port Clear Channel OC-12 ATM SPA Overview
1-Port Clear Channel OC-12 ATM SPA Overview
The 1-Port Clear Channel OC-12 ATM SPA is a single-height ATM SPA that can be installed into one
SIP subslot. The OC-12 ATM SPA with small form-factor pluggable (SFP) optical transceiver modules
provides SONET and SDH network connectivity with a per-port bandwidth of 622.08 Mbps. For more
information about SPA bandwidth, see the “Bandwidth Oversubscription” section in this chapter.
The following sections describe the 1-Port Clear Channel OC-12 ATM SPA:
• 1-Port Clear Channel OC-12 ATM SPA LEDs, page 3-7
• 1-Port Clear Channel OC-12 ATM SPA Interface Specifications, page 3-8
• 1-Port Clear Channel OC-12 ATM SPA Cables and Connectors, page 3-8
1-Port Clear Channel OC-12 ATM SPA LEDs
The 1-Port Clear Channel OC-12 ATM SPA has three types of LEDs. There are two LEDs for the port
on the SPA, and one STATUS LED, as shown in Figure 3-5.
Figure 3-5 1-Port Clear Channel OC-12 ATM SPA Faceplate
The 1-Port Clear Channel OC-12 ATM SPA LEDs are described in Table 3-4.
1 C/A (Carrier/Alarm) LED 3 STATUS LED
2 A/L (Active Loopback) LED
STATUS
A/L
C/A
Port 0
SPA-1XOC12-ATM-V2
270703
0
31 2
Ta b l e 3-4 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 softw
are, and there is a valid SONET signal
without any alarms.
Amber On Port is enabled by softw
are, and there is at least one alarm.
A/L Off Off Port is not enabled by software.
Green On Port is enabled by softw
are, and loopback is off.
Amber On Port is enabled by softw
are, and loopback is on.
STATUS Off Off SPA power is off.