• Multimode (MM) SFP module—SFP-OC3-MM
• Short Reach (SR) SFP module—SFP-OC3-SR
• Intermediate Reach (IR) SFP module (15 km)—SFP-OC3-IR1
• Long Reach (LR) SFP module (40 km)—SFP-OC3-LR1
• Long Reach 2 (LR2) SFP module (80 km)—SFP-OC3-LR2
1-Port and 3-Port Clear Channel OC-3 ATM SPA Overview
The 1-Port and 3-Port Clear Channel OC-3 ATM SPA is a single-height SPA that installs into one SIP subslot.
The Clear Channel OC-3 ATM SPA with small form-factor pluggable (SFP) optical transceiver modules
provides SONET and SDH network connectivity with a per-port bandwidth of 155.52 Mbps. For more
information about SPA bandwidth, see the “Bandwidth Oversubscription” section in this chapter.
The following sections describe the 1-Port and 3-Port Clear Channel OC-3 ATM SPA:
1-Port and 3-Port Clear Channel OC-3 ATM SPA LEDs
The 1-Port and 3-Port Clear Channel OC-3 ATM SPA has three types of LEDs. There are two LEDs for each
port on the SPA, and one STATUS LED. The following figure shows an example of these LEDs on a 3-Port
Clear Channel OC-3 ATM SPA.
Figure 35: 3-Port Clear Channel OC-3 ATM SPA Faceplate
STATUS LED3C/A (Carrier/Alarm) LED1
A/L (Active Loopback) LED2
The 1-Port and 3-Port Clear Channel OC-3 ATM SPA LEDs are described in the table below.
Table 31: 1-Port and 3-Port Clear Channel OC-3 ATM SPA LEDs
MeaningStateColorLED Label
Port is not enabled by software.OffOffC/A
Port is enabled by software, and there is a valid SONET signal without any alarms.OnGreen
Port is enabled by software, and there is at least one alarm.OnAmber
Port is not enabled by software.OffOffA/L
Port is enabled by software, and loopback is off.OnGreen
Cisco ASR 9000 Series Aggregation Services Router SIP and SPA Hardware Installation Guide
46
Overview: Cisco ASR 9000 Series Router Shared Port Adapters
1-Port and 3-Port Clear Channel OC-3 ATM SPA Overview