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Cisco ASR 14000 Series Hardware Installation Manual page 33

Router plim, sip and spa
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Chapter 3
Overview: Cisco ASR 14000 Series Router Shared Port Adapters
Figure 3-5
The following OC-3 optical fiber options are available for the 8-Port OC-12c/STM-4 Multirate 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-12c/STM-4 Multirate 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
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.
OL-17456-01
SFP Optics Module
3-6) or two simplex LC-type cables, one for transmit (TX) and one for receive (RX).
Cisco ASR 14000 Series Router PLIM, SIP, and SPA Hardware Installation Guide
8-Port OC-12c/STM-4 Multirate POS SPA Overview
3-9

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