Juniper Networks ERX Hardware 8 User Manual
Page 166

ERX 8.0.x Hardware Guide
Figure 55: CE1 I/O Module with Telco Connectors
PIN 25
PIN 1
CE1
I/O
PIN 50
PIN 26
0-9
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Figure 56 shows the location of the 20 pairs of BNC connectors on a balun
panel. The cables from the CE1 I/O module are plugged into the two 50-pin
Telco connectors on the other side of the panel.
Figure 56: Twenty-Port Balun Panel
TX
RX
PORT
10
2
1
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
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Table 24 and Table 25 list the pinouts for the Telco connectors on each cable.
Table 24: Pinout of 50-Pin Telco Connector to Ports 0–9
Pin
Signal
Pin
Signal
1
Port 0 RX TIP
26
Port 0 RX RING
2
Port 0 TX TIP
27
Port 0 TX RING
3
Port 1 RX TIP
28
Port 1 RX RING
4
Port 1 TX TIP
29
Port 1 TX RING
5
Port 2 RX TIP
30
Port 2 RX RING
148
CT1 and CE1 I/O Modules