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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
8-Port OC-3 STM-1/OC-12 STM-4 POS SPA Overview
Figure 2-36
LC-Type Cable
OC-3 Module Connections
shows the OC-3 specifications of the optics on the 8-Port OC-3 STM-1/OC-12 STM-4 POS
SPA.
/ /
/ /
/ /
TX
RX
84929
Table 2-36
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