Cisco 7600 SIP 200 Hardware Installation Guide - Page 70
-Port Channelized OC-12/STM-4 SPA LEDs, 1-Port Channelized OC-12/STM-4 SPA Interface Specifications
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1-Port OC-12c/STM-4 ATM SPA Overview Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters 1-Port Channelized OC-12/STM-4 SPA LEDs The 1-Port Channelized OC-12/STM-4 SPA has three types of LEDs: a C/A, A/L, and STATUS LED, as shown in Figure 3-19. Figure 3-19 1-Port Channelized OC-12/STM-4 SPA Faceplate 1 2 280921 C/A A/L 3 STATUS SPA-1XCHOC12/DS0 1 C/A (Carrier/Alarm) LED 2 A/L (Active/Loopback) LED 3 STATUS LED The 1-Port Channelized OC-12/STM-4 SPA LEDs are described in Table 3-13. Table 3-13 1-Port Channelized OC-12/STM-4 SPA LEDs LED Label C/A A/L STATUS Color Off Green Amber Off Green Amber Off Green Amber 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 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 is ready and operational. SPA power is on and good, and SPA is being configured. 1-Port Channelized OC-12/STM-4 SPA Interface Specifications The framer processes incoming and outgoing SONET or SDH frames. The framer operates at OC-12/STM-4 line rates (622.08 Mbps), and supports channelization from OC-12 down to DS0 line rates. Packet data is transported with a user-configured encapsulation (such as Point-to-Point Protocol [PPP]) and is mapped into the STS-12/STM-4 frame. 3-24 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide OL-5052-14