Cisco 7600 SIP 200 Hardware Installation Guide - Page 63

Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters 2-Port and 4-Port OC-3c/STM-1 ATM SPA Overview 2-Port and 4-Port OC-3c/STM-1 ATM SPA LEDs The 2-Port and 4-Port OC-3c/STM-1 ATM SPA has three types of LEDs. There are two LEDs for each port on the SPA, and one STATUS LED. Figure 3-11 shows an example of these LEDs on a 4-Port OC-3c/STM-1 ATM SPA: Figure 3-11 4-Port OC-3c/STM-1 ATM SPA Faceplate 12 3 C/A 0 A/L C/A 0 A/L C/A 0 A/L C/A 0 A/L STATUS 117102 SPA-4XOC3-ATM 1 C/A (Carrier/Alarm) LED 2 A/L (Active Loopback) LED 3 STATUS LED The 2-Port and 4-Port OC-3c/STM-1 ATM SPA LEDs are described in Table 3-10. Table 3-10 2-Port and 4-Port OC-3c/STM-1 ATM SPA LEDs LED Label C/A A/L STATUS Color Off Green Amber Off Green Amber Off Amber Green State Off On On Off On On Off On On Meaning Port is not enabled by software. Port is enabled by software, and there is a valid SONET signal without any alarms. Port is enabled by software, and there is at least one alarm. Port is not enabled by software. Port is enabled by software, loopback is off. Port is enabled by software, loopback is on. SPA power is off. SPA power is on and good, and SPA is being configured. SPA is ready and operational. 2-Port and 4-Port OC-3c/STM-1 ATM SPA Interface Specifications The physical layer interface for the 2-Port and 4-Port OC-3c/STM-1 ATM SPA is Optical Carrier-3 (OC-3), and the data link layer is designed to comply with ATM specifications. The 2-Port and 4-Port OC-3c/STM-1 ATM SPA provides up to four 155-Mbps OC-3 network interfaces for all supported platforms. Each SPA port accepts an SFP module with a duplex LC-type receptacle that allows connection to single-mode or multimode optical fiber. OL-5052-14 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide 3-17