Cisco 7600 SIP 200 Hardware Installation Guide - Page 75
SFP Optics Module, LC-Type Cable, Multimode-622.08-Mbps
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Page 75 highlights
Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters Figure 3-23 SFP Optics Module 1-Port OC-12c/STM-4 POS SPA Overview 127158 The SFP optical transceiver modules used with the POS SPAs provide the following optical fiber options: • 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 3-24) or two simplex LC-type cables, one for transmit (TX) and one for receive (RX). Use single-mode (for intermediate- or long-reach configurations) or multimode optical fiber cable to connect your router to a network or to connect two 1-Port OC-12c/STM-4 POS SPA-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 the two of them. Figure 3-24 LC-Type Cable / / / / / / RX TX 84929 OL-5052-14 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide 3-29
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