Cisco 7600 SIP 200 Hardware Installation Guide - Page 64
-Port and 4-Port OC-3c/STM-1 ATM SPA Cables and Connectors, 1-Port Clear Channel OC-3
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Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters 1-Port Clear Channel OC-3, 3-Port Clear Channel OC-3, and 1-Port Clear Channel OC-12 ATM SPA Version 2 Overview 2-Port and 4-Port OC-3c/STM-1 ATM SPA Cables and Connectors The 2-Port and 4-Port OC-3c/STM-1 ATM SPAs provide the following optical fiber options: • Multimode-155-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-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.) For single-mode and multimode optical fiber connections, you can use either a duplex LC-type cable (see Figure 3-12) or two simplex LC-type cables, one for transmit (TX) and one for receive (RX). Figure 3-12 Duplex Patch Cable with LC-Type Connectors / / / / / / 84929 RX TX 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 OC-3-equipped routers back-to-back. Long-range SFP optics modules (for long-reach configurations) cannot be connected back-to-back without using an attenuator between the two of them. 1-Port Clear Channel OC-3, 3-Port Clear Channel OC-3, and 1-Port Clear Channel OC-12 ATM SPA Version 2 Overview The ATM SPA version 2 comprises these channels: • 1-Port Clear Channel OC-3 ATM SPA Version 2 (SPA-1xOC3-ATM-V2) • 3-Port Clear Channel OC-3 ATM SPA Version 2 (SPA-3xOC3-ATM-V2) • 1-Port Clear Channel OC-12 ATM SPA Version 2 (SPA-1xOC12-ATM-V2) The SPA-1xOC3-ATM-V2, SPA-3xOC3-ATM-V2, and SPA-1xOC12-ATM-V2 is a single-height SPA that installs into one SIP subslot. The Clear Channel OC-3 ATM SPA with SFP optical transceiver modules provides SONET and SDH network connectivity with a per-port bandwidth of 155.52 Mbps. The Clear Channel OC-12 ATM SPA with small form-factor pluggable (SFP) optical transceiver modules provides SONET and SDH network connectivity with a per-port bandwidth of 622 Mbps. For more information about SPA bandwidth, see the "Bandwidth Oversubscription" section in this chapter. These sections describe the SPA-1xOC3-ATM-V2, SPA-3xOC3-ATM-V2, and SPA-1xOC12-ATM-V2: • 1-Port Clear Channel OC-3, 3-Port Clear Channel OC-3, and 1-Port Clear Channel OC-12 ATM SPA Version 2 LEDs, page 3-19 • 1-Port Clear Channel OC-3, 3-Port Clear Channel OC-3, and 1-Port Clear Channel OC-12 ATM SPA Version 2 Interface Specifications, page 3-20 3-18 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide OL-5052-14