Cisco 7600 SIP 200 Hardware Installation Guide - Page 81
-Port and 4-Port OC-48c/STM-16 POS SPA Interface Specifications
UPC - 746320961286
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Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters 2-Port and 4-Port OC-48c/STM-16 POS SPA Table 3-17 describes the 2-Port and 4-Port OC-48c/STM-16 POS SPA LEDs. Table 3-17 2-Port and 4-Port OC-48c/STM-16 POS SPA LEDs LED Label PTH CAR PRT ACT STATUS Color Off Amber Off Green Amber Amber Off Green Green Amber Amber Off Green Amber Off Green Amber State Meaning Off Port is not in pass-through mode. On Port is in pass-through mode. Off Port is not enabled by software. On Port is enabled by software, and there is a valid SONET signal without any alarms. On Port is enabled by software, and there is at least one alarm. Flashing Port is enabled by software, and there is a side mismatch. Off Port is not wrapped or steering. On A node on the ring is wrapped. Flashing A node on the ring is steering. On Port is locally wrapped. Flashing Port is locally steering. Off Port is not enabled by software. On Port is enabled by software, and loopback is off. On Port is enabled by software, and loopback is on. Off SPA power is off. On SPA is ready and operational. On SPA power is on and good, and the SPA is being configured. 2-Port and 4-Port OC-48c/STM-16 POS SPA Interface Specifications The physical layer interface for the 2-Port and 4-Port OC-48c/STM-16 POS SPA is Optical Carrier-48 (OC-48), which provides SONET and SDH network connectivity with a per-port bandwidth of 2.488 Gbps. Each port on the 2-Port and 4-Port OC-48c/STM-16 POS SPA has one duplex LC-type receptacle that allows connection to single-mode optical fiber. Note For Cisco IOS XR Software Release 3.8.0, the 2-Port and 4-Port OC-48c/STM-16 POS SPA supports Dynamic Packet Transport (DPT) feature. Cisco DPT family of products delivers scalable Internet service, reliable IP-aware optical transport, and simplified network operations. The Spatial Reuse Protocol (SRP) is a MAC-layer protocol developed by Cisco and is used in conjunction with Cisco DPT products, which utilizes a pair of counter-rotating rings in an optimum fashion to provide improved bandwidth utilization over an equivalent SONET network. OL-5052-14 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide 3-35