Cisco ASR1006 Hardware Installation Guide - Page 109
-Port Channelized STM-1/OC-3 SPA Cables and Connectors
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Chapter 3 Overview: Cisco ASR 1000 Series Aggregation Services Routers SPAs 1-Port Channelized STM-1/OC-3 SPA Overview The 1-Port Channelized STM-1/OC-3 SPAinterface is compliant with RFC 1619, PPP over SONET/SDH, and RFC 1662, PPP in HDLC-like Framing. The 1-Port Channelized STM-1/OC-3 SPA also provides support for SNMP v1 agent (RFC 1155-1157), and Management Information Base (MIB) II (RFC 1213). 1-Port Channelized STM-1/OC-3 SPA Cables and Connectors The 1-Port Channelized STM-1/OC-3 SPAuses a small form-factor pluggable (SFP) optical transceiver module installed in the port for SONET and SDH single-mode and multimode optical fiber connection (Figure 3-44). Figure 3-44 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 or 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 3-45) 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. OL-14126-12 Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide 3-67