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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
4-Port OC-3c/STM-1 POS SPA Overview
OC-3 Module Connections
Table 3-4 shows the OC-3 specifications of the optics on the 4-Port OC-3c/STM-1 POS SPA.
Ta b l e 3-4 OC-3 Specifications
Specification Description
Wavelength OC-3 MM: 1270 nm to 1380 nm
OC-3 SR: 1260 nm to 1360 nm
OC-3 IR-1: 1261 nm to 1360 nm
OC-3 LR-1: 1263 nm to1360 nm
OC-3 LR-2: 1480 nm to 1580 nm
Cabling distance (maximum) OC-3 MM: 2 km (1.2 miles)
OC-3 SR: 2 km (1.2 miles)
OC-3 IR-1: 15 km (9.3 miles)
OC-3 LR-1: 40 km (24.8 miles)
OC-3 LR-2: 80 km (49.7 miles)
Operating case temperature range OC-3 MM: 23 to 185 degrees F (–5 to 85 degrees C)
OC-3 SR: 23 to 185 degrees F (–5 to 85 degrees C)
OC-3 IR-1: 23 to 185 degrees F (–5 to 85 degrees C)
OC-3 LR-1: 23 to 185 degrees F (–5 to 85 degrees C)
OC-3 LR-2: 23 to 185 degrees F (–5 to 85 degrees C)
TX power OC-3 MM: –19 to –14 dBm
OC-3 SR: –15 to –8 dBm
OC-3 IR-1: –15 to –8 dBm
OC-3 LR-1: –5 to 0 dBm
OC-3 LR-2: –5 to 0 dBm
Receiver sensitivity (maximum) OC-3 MM: –30 dBm
OC-3 SR: –23 dBm
OC-3 IR-1: –28 dBm
OC-3 LR-1: –34 dBm
OC-3 LR-2: –34 dBm
RX overload OC-3 MM: –5 dBm
OC-3 SR: –8 dBm
OC-3 IR-1: –8 dBm
OC-3 LR-1: –10 dBm
OC-3 LR-2: –10 dBm
Maximum receiver power damage OC-3 MM: +5 dBm
OC-3 SR: +5 dBm
OC-3 IR-1: +5 dBm
OC-3 LR-1: +5 dBm
OC-3 LR-2: +5 dBm