2-Port And 4-Port Clear Channel T3/E3 Spa Overview; 2-Port And 4-Port Clear Channel T3/E3 Spa Leds - Cisco 7600 series Hardware Installation Manual

2-Port and 4-Port Clear Channel T3/E3 SPA Overview

The Cisco cable part numbers are 72-4124-01 ( with Male BNC end) and 72-4131-01 (with Female BNC
Note
end).
Figure 3-1
provides the signal descriptions for these connectors.
Table 3-3
Connector Label
TX
RX
2-Port and 4-Port Clear Channel T3/E3 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

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 3-2
1
2
3
Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide
3-6
shows the Siemax connectors on the 2-Port and 4-Port Channelized T3 SPA, and
2-Port and 4-Port Channelized T3 SPA Connectors
Meaning
Transmitted signals appear on the center contact, and the outer shield is ground
for the 75-ohm RG-59 coaxial cable you attach to the TX Siemax connector.
Received signals appear on the center contact, and the outer shield is ground for
the 75-ohm RG-59 coaxial cable you attach to the RX Siemax connector.
2-Port and 4-Port Clear Channel T3/E3 SPA LEDs, page 3-6
2-Port and 4-Port Clear Channel T3/E3 SPA Interface Specifications, page 3-7
2-Port and 4-Port Clear Channel T3/E3 SPA Cables and Connectors, page 3-7
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 3 Overview: Cisco 7600 Series Router Shared Port Adapters
Figure 3-2 shows an example of these LEDs on a 4-Port Clear
4
RX (Receive) connector
5 STATUS LED
Table 3-3
SPA-4XT3/E3
5
OL-5052-08