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Juniper Networks ERX Hardware 8 User Manual

Page 166

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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

g013774

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

g013775

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