3-17
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
OL-17439-01
Chapter 3 Overview: Cisco CRS-1 Shared Port Adapters
8-Port OC-12c/STM-4 Multirate POS SPA Overview
Figure 3-13
LC-Type Cable
OC-3 Module Connections
Table 3-8
shows the OC-3 specifications of the optics on the 8-Port OC-12c/STM-4 Multirate POS SPA.
Table 3-8
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
