Cisco 12000 - Series Chassis Modular Expansion Base User Manual

2-4
Cisco 12000 Series Router SIP and SPA Hardware Installation Guide
Release 12.0(32)SY1, OL-8831-01, Rev. G6, July 19, 2007
Chapter 2 Overview: Cisco 12000 Series Router Shared Port Adapters
2-Port and 4-Port T3/E3 Serial SPA Overview
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:
• 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
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. Figure 2-1 shows an example of these LEDs on a 4-Port Clear
Channel T3/E3 SPA.
Figure 2-1 4-Port Clear Channel T3/E3 SPA Faceplate
The 2-Port and 4-Port Clear Channel T3/E3 SPA LEDs are described in Table 2-3.
4-Port OC-3c/STM-1 POS SPA
155.52 Mbps
4 622.08 Mbps
8-Port OC-3c/STM-1 POS SPA
155.52 Mbps
8 1.244 Gbps
1. Total bandwidth value assumes eight OC-12c/STM-4 optics modules.
Table 2-2 SPA Bandwidth Capacity (continued)
SPA Per-Port Bandwidth
Number
of Ports Total Bandwidth
1 C/A (Carrier/Alarm) LED 4 RX (Receive) connector
2 A/L (Active Loopback) LED 5 STATUS LED
3 TX (Transmit) connector
C/A
TX
RX
1
STATUS
SPA-4XT3/E3
0
A/L
C/A
TX
RX
A/L
C/A
TX
RX
2
A/L
C/A
TX
RX
3
A/L
1
2
3 4 5
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Cisco 12000 - Series Chassis Modular Expansion Base Specifications

General

Brand	Cisco
Model	12000 - Series Chassis Modular Expansion Base
Category	Network Router
Language	English