Cisco ASR1004 - ASR 1004 Modular Expansion Base - 2-Port and 4-Port Channelized T3 Serial SPA Overview; 2-Port and 4-Port Channelized T3 SPA Leds

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Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
OL-14126-12
Chapter 3 Overview: Cisco ASR 1000 Series Aggregation Services Routers SPAs
2-Port and 4-Port Channelized T3 Serial SPA Overview
Figure 3-37 shows the connectors on the 4-Port Clear Channel T3/E3 Serial SPA, and Table 3-34
describes the signal descriptions for these connectors.
2-Port and 4-Port Channelized T3 Serial SPA Overview
The following sections describe the 2-Port and 4-Port Channelized T3 SPA:
• 2-Port and 4-Port Channelized T3 SPA LEDs, page 3-57
• 2-Port and 4-Port Channelized T3 SPA Interface Specifications, page 3-58
• 2-Port and 4-Port Channelized T3 SPA Cables and Connectors, page 3-58
2-Port and 4-Port Channelized T3 SPA LEDs
The 2-Port and 4-Port Channelized T3 SPA has three types of LEDs: two LEDs for each port on the SPA
and one STATUS LED, as shown in Figure 3-38.
Figure 3-38 4-Port Channelized T3 SPA Faceplate
Table 3-34 2-Port and 4-Port Clear Channel T3/E3 SPA Connectors
Connector Label Meaning
TX 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.
RX 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.
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
STATU S
SPA-4XCT3/DS0
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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