2-75
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
24-Port Channelized T1/E1/J1 ATM CEoP SPA Overview
• CAB-T3E3-RF-BNC-M (T3 or E3 Cable, 1.0/2.3 RF to BNC-Male, 10 feet)
• CAB-T3E3-RF-BNC-F (T3 or E3 Cable, 1.0/2.3 RF to BNC-Female, 10 feet)
• CAB-T3E3-RF-OPEN (T3 or E3 Cable, 1.0/2.3 RF to BNC-Open end, 10 feet)
Note • The Cisco cable part numbers are 72-4124-01 (with male BNC end) and 72-4131-01 (with female
BNC end).
• The SPA can receive data over the cable up to a maximum distance of 1350 ft (411.5 meters).
Figure 2-55 shows the connectors on the 2-Port Channelized T3/E3 ATM CEoP SPA, and Table 2-47
describes the signal descriptions for these connectors.
24-Port Channelized T1/E1/J1 ATM CEoP SPA Overview
The following sections describe the 24-Port Channelized T1/E1/J1 ATM CEoP SPA:
• 24-Port Channelized T1/E1/J1 ATM CEoP SPA LEDs
• 24-Port Channelized T1/E1/J1 ATM CEoP SPA Interface Specifications
• 24-Port Channelized T1/E1/J1 ATM CEoP SPA Cables and Connectors
• 24-Port Channelized T1/E1/J1 ATM CEoP SPA Patch Panel
24-Port Channelized T1/E1/J1 ATM CEoP SPA LEDs
The 24-Port Channelized T1/E1/J1 ATM CEoP SPA has two types of LEDs, as shown in this figure:
Figure 2-56 24-Port Channelized T1/E1/J1 ATM CEoP SPA Faceplate
Table 2-47 2-Port Channelized T3/E3 ATM CEoP 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.
SPA-24CHT1-
CE-ATM
STATUS
TX / RX
A
C
A
C
12
0
13
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
B1
254922
2
1
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