Cisco XR 12000 Series User Manual Page 85

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Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
1-Port OC-12/STM-4 POS SPA Overview
1-Port OC-12/STM-4 POS SPA Overview
The 1-Port OC-12/STM-4 POS SPA is single-height SPA that installs into one SIP subslot. The 1-Port
OC-12/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 SPA bandwidth, see the “Bandwidth Oversubscription” topic 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.
The following sections describe the 1-Port OC-12/STM-4 POS SPA:
1-Port OC-12/STM-4 POS SPA LEDs, page 2-55
1-Port OC-12/STM-4 POS SPA Interface Specifications, page 2-56
1-Port OC-12/STM-4 POS SPA SFP Optical Transceiver Modules and Cables, page 2-56
1-Port OC-12/STM-4 POS SPA LEDs
The 1-Port OC-12/STM-4 POS SPA has three types of LEDs. There are two LEDs for each port on the
SPA, and one STATUS LED.
Figure 2-38 shows an example of these LEDs on a 1-Port OC-12/STM-4
POS SPA.
Figure 2-38 1-Port OC-12/STM-4 POS SPA Faceplate
RX overload OC-12 MM: –6 dBm
OC-12 SR: –8 dBm
OC-12 IR-1: –8 dBm
OC-12 LR-1: –8 dBm
OC-12 LR-2: –8 dBm
Maximum receiver power damage OC-12 MM: +5 dBm
OC-12 SR: +5 dBm
OC-12 IR-1: +5 dBm
OC-12 LR-1: +5 dBm
OC-12 LR-2: +5 dBm
Table 2-38 OC-12 Specifications (continued)
Specification Description
SPA-1XOC12-POS
STATUS
0
A/L
C/A
1
2
3
129137
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