2-Port And 4-Port T3/E3 Serial Spa Overview; 2-Port And 4-Port Clear Channel T3/E3 Spa Leds - Cisco 12000 - Series Chassis Modular Expansion Base Hardware Installation Manual

2-Port and 4-Port T3/E3 Serial SPA Overview

Table 2-2
SPA
4-Port OC-3c/STM-1 POS SPA
8-Port OC-3c/STM-1 POS SPA
1. Total bandwidth value assumes eight OC-12c/STM-4 optics modules.

2-Port and 4-Port T3/E3 Serial SPA Overview

The following sections describe the 2-Port and 4-Port Clear Channel T3/E3 SPA:
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•
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2-Port and 4-Port Clear Channel T3/E3 SPA LEDs

The 2-Port and 4-Port Clear Channel T3/E3 SPA has three types of LEDs. There are two LEDs for each
port on the SPA, and one STATUS LED.
Channel T3/E3 SPA.
Figure 2-1
1
2
3
The 2-Port and 4-Port Clear Channel T3/E3 SPA LEDs are described in
Cisco 12000 Series Router SIP and SPA Hardware Installation Guide
2-4
SPA Bandwidth Capacity (continued)
2-Port and 4-Port Clear Channel T3/E3 SPA LEDs, page 2-4
2-Port and 4-Port Clear Channel T3/E3 SPA Interface Specifications, page 2-5
2-Port and 4-Port Clear Channel T3/E3 SPA Cables and Connectors, page 2-5
4-Port Clear Channel T3/E3 SPA Faceplate
2
1
3 4
C/A (Carrier/Alarm) LED
A/L (Active Loopback) LED
TX (Transmit) connector
Chapter 2 Overview: Cisco 12000 Series Router Shared Port Adapters
Per-Port Bandwidth
155.52 Mbps
155.52 Mbps
Figure 2-1 shows an example of these LEDs on a 4-Port Clear
4 RX (Receive) connector
5 STATUS LED
Release 12.0(32)SY1, OL-8831-01, Rev. G6, July 19, 2007
Number
of Ports Total Bandwidth
4 622.08 Mbps
8 1.244 Gbps
SPA-4XT3/E3
5
Table 2-3.