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Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
OL-7113-05
Chapter 3 Overview: Cisco CRS-1 Shared Port Adapters
2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA Overview
2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA Overview
The following sections describe the 2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA:
• 2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA LEDs, page 3-13
• 2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA Interface Specifications, page 3-14
• 2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA Cables, Optical Transceiver Modules, and
Connectors, page
3-14
2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA LEDs
The 2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA has five types of LEDs: four LEDs for each port
on the SPA and one STATUS LED, as shown in Figure
3-8.
Figure 3-8 2-Port OC-48c/STM-16 POS/RPR 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 3-7 OC-12 Specifications (continued)
Specification Description
1 PTH (Pass Through) LED 4 ACT (Active Loopback) LED
2 PRT (Protect) LED 5 STATUS LED
3 CAR (Carrier Alarm) LED
STATUS
0
1
SPA-2XOC48-POS/RPR
138086
PTH
CAR
PRT
ACT
PTH
CAR
PRT
ACT
1 2
3 4 5