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Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
OL-14126-03
Chapter 3 Overview: Cisco ASR 1000 Series Aggregation Services Routers Shared Port Adapters
1-Port OC-12c/STM-4 POS SPA Overview
1-Port OC-12c/STM-4 POS SPA Overview
The 1-Port OC-12c/STM-4 POS SPA is a single-height SPA and installs into one SIP subslot. The 1-Port
OC-12c/STM-4 POS SPA with a small form-factor pluggable (SFP) optical transceiver module provides
SONET and SDH network connectivity with a bandwidth of 622.08 Mbps.
For more information about SPAs and their compatibility with SIPs and modular optics, see the
and SPA Compatibility” section on page 1-2
.
The following sections describe the 1-Port OC-12c/STM-4 POS SPA:
•
1-Port OC-12c/STM-4 POS SPA LEDs, page 3-38
•
1-Port OC-12c/STM-4 POS SPA Interface Specifications, page 3-39
•
1-Port OC-12c/STM-4 POS SPA SFP Optical Transceiver Modules and Cables, page 3-39
1-Port OC-12c/STM-4 POS SPA LEDs
The 1-Port OC-12c/STM-4 POS SPA has three types of LEDs: two LEDs for each port on the SPA, and
one STATUS LED, as shown in
.
Figure 3-27
1-Port OC-12c/STM-4 POS SPA Faceplate
describes the 1-Port OC-12c/STM-4 POS SPA LEDs.
1
C/A (Carrier/Alarm) LED
3
STATUS LED
2
A/L (Active Loopback) LED
SPA-1XOC12-POS
ST
ATUS
0
A/L
C/A
1
2
3
129137
Table 3-30
1-Port OC-12c/STM-4 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, and loopback is off.
Amber
On
Port is enabled by software, and loopback is on.