Cisco 7600 SIP 200 Hardware Installation Guide - Page 59
-Port Channelized STM-1/OC-3 SPA Cables and Connectors
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Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters 1-Port Channelized STM-1/OC-3 SPA Overview 1-Port Channelized STM-1/OC-3 SPA Cables and Connectors The 1-Port Channelized STM-1/OC-3 SPA uses a small form-factor pluggable (SFP) optical transceiver module installed in each port for SONET and SDH single-mode and multimode optical fiber connection (see Figure 3-6). Figure 3-6 SFP Optics Module 127158 The SFP optical transceiver modules used with the 1-Port Channelized STM-1/OC-3 SPA provide the following optical fiber options: • Multimode-155-Mbps, OC-3c/STM-1 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-Mbps, OC-3c/STM-1 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.) For single-mode and multimode optical fiber connections, you can use either a duplex LC-type cable (see Figure 3-7) 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 Channelized STM-1/OC-3 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 3-7 LC Type Cables / / / / / / RX TX 84929 OL-5052-14 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide 3-13