Cisco 7304 Installation Guide download pdf (Page 35)

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Cisco 7304 Router Modular Services Card and Shared Port Adapter Hardware Installation Guide

OL-4681-01

Chapter 3 Overview: Cisco 7304 Router Shared Port Adapters

OC-3 POS SPA Overview

The following sections describe the 2-Port and 4-Port OC-3c/STM-1 POS SPA :

• 2-Port and 4-Port OC-3c/STM-1 POS SPA LEDs, page 3-11

• 2-Port and 4-Port OC-3c/STM-1 POS SPA Interface Specifications, page 3-11

• 2-Port and 4-Port OC-3c/STM-1 POS SPA Optical Transceiver Modules and Cables, page 3-12

2-Port and 4-Port OC-3c/STM-1 POS SPA LEDs

The 2-Port and 4-Port OC-3c/STM-1 POS SPA has three LEDs, as shown in Figure 3-8. There are two

LEDs for each port on the SPA, and one STATUS LED.

Figure 3-8 4-Port OC-3c/STM-1 POS SPA Faceplate

The 2-Port and 4-Port OC-3c/STM-1 POS SPA LEDs are described in Table 3-11.

2-Port and 4-Port OC-3c/STM-1 POS SPA Interface Specifications

The framer processes incoming and outgoing SONET or SDH frames. The framer operates at

OC-3c/STM-1 line rates (155.52 Mbps).

1 C/A (Carrier/Alarm) LED 3 STATUS LED

2 A/L (Active Loopback) LED

STATUS

A/L

C/A

A/L

C/A

A/L

C/A

A/L

C/A

122938

2 3

Table 3-11 2-Port and 4-Port OC-3c/STM-1 POS SPA LEDs

LED Label Color State Meaning

C/A Off Off Port is not enabled by software.

Green On Port is enabled by software, and there is a valid SONET signal

without any alarms.

Amber On Port is enabled by software, and there is at least one alarm.

A/L Off Off Port is not enabled by software.

Green On Port is enabled by software, loopback is off.

Amber On Port is enabled by software, loopback is on.

STATUS Off Off SPA power is off.

Green On SPA is ready and operational.

Amber On SPA power is on and good; SPA is being configured.

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Cisco 7304 Installation Guide Page 35