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Cisco XR 12000 Series Hardware Installation Guide

Cisco XR 12000 Series
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2-51
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
The following OC-12 optical transceiver modules are supported on the 8-Port OC-3 STM-1/OC-12
STM-4 POS SPA:
Multimode (MM) SFP module—SFP-OC12-MM
Short-reach (SR) SFP module—SFP-OC12-SR
Intermediate-reach (IR) SFP module (15 km)—SFP-OC12-IR1
Long-reach (LR) SFP module (40 km)—SFP-OC12-LR1
Long-reach (LR) SFP module (80 km)—SFP-OC12-LR2
Figure 2-35 SFP Optics Module
The following OC-3 optical fiber options are available for the 8-Port OC-3 STM-1/OC-12 STM-4 POS
SPA:
Multimode—155.52-Mbps, OC-3 optical fiber (SONET STS-3c or SDH STM-1)
Use a multimode optical fiber that has a core/cladding diameter of 62.5/125 microns.
Single-mode—155.52-Mbps, OC-3 optical fiber (SONET STS-3c or SDH STM-1)
Use a single-mode optical fiber that has a modal-field diameter of 8.7 ± 0.5 microns. (Nominal
diameter is approximately 10/125 microns.)
The following OC-12 optical fiber options are available for the 8-Port OC-3 STM-1/OC-12 STM-4 POS
SPA:
Multimode—622.08-Mbps, OC-12 optical fiber (SONET STS-12c or SDH STM-4)
Use a multimode optical fiber that has a core/cladding diameter of 62.5/125 microns.
Single-mode—622.08-Mbps, OC-12 optical fiber (SONET STS-12c or SDH STM-4)
Use a single-mode optical fiber that has a modal-field diameter of 8.7 ± 0.5 microns. (Nominal
diameter is approximately 10/125 microns.)
For single-mode and multimode optical fiber connections, you can use either a duplex LC-type cable (see
Figure 2-36) or two simplex LC-type cables, one for transmit (TX) and one for receive (RX).
Use single-mode (for short-, intermediate- or long-reach configurations) or multimode optical fiber
cable to connect your router to a network or two OC-3-equipped or OC-12-equipped routers
back-to-back.
Long-range SFP optical transceiver modules (for long-reach configurations) cannot be connected
back-to-back without using an attenuator between them.
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Cisco XR 12000 Series Specifications

General IconGeneral
BrandCisco
ModelXR 12000 Series
CategoryNetwork Router
LanguageEnglish

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