Figure 27: LC Type Cable
The 1-Port Channelized STM-1/OC-3 SPA is a single-height SPA that installs into one SIP subslot. The 1-Port
Channelized STM-1/OC-3 SPA with small form-factor pluggable (SFP) optical transceiver modules supports
SONET and SDH protocols with a per-port bandwidth of 155.52 Mbps. The 1-Port Channelized STM-1/OC-3
SPA operates at quarter rate.
When SFP modules are replaced, the SPA interface retains any previously defined configurations. These
configurations include settings for IP address, clock source, loopback, Cyclic Redundancy Check (CRC), and
POS flags.
Note
For more information about SPA bandwidth, see the “Bandwidth Oversubscription” section in this chapter.
For more information about SPAs and their compatibility with SIPs and modular optics, see the “SIP and
SPA Product Overview” chapter in this guide.
4-Port OC-3/STM-1 POS SPA Overview
The following sections describe the 4-Port OC-3/STM-1 POS SPA:
4-Port OC-3/STM-1 POS SPA LEDs
The 4-Port OC-3/STM-1 POS SPA has three types of LEDs: two LEDs for each port on the SPA and one
STATUS LED. The following figure shows the 4-Port OC-3/STM-1 POS SPA.
Figure 28: 4-Port OC-3/STM-1 POS SPA Faceplate
STATUS LED3C/A (Carrier/Alarm) LED1
A/L (Active/Loopback) LED2
The following table describes the 4-Port OC-3/STM-1 POS SPA LEDs.
Cisco ASR 9000 Series Aggregation Services Router SIP and SPA Hardware Installation Guide
38
Overview: Cisco ASR 9000 Series Router Shared Port Adapters
4-Port OC-3/STM-1 POS SPA Overview
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