Juniper E Series Hardware Manual page 158

ERX 7.0.x Hardware Guide
Figure 58: CE1 I/O Module with Telco Connectors
Figure 59 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 59: Twenty-Port Balun Panel
Table 24 and Table 25 list the pinout for the Telco connectors on each cable.
Table 24: Pinout of 50-Pin Telco Connector to Ports 0–9
142
CT1 and CE1 I/O Modules
CE1
I/O
PIN 1
PIN 25
TX
PORT 1 2 3 4 5 6 7
RX
Pin Signal
1 Port 0 RX TIP
2 Port 0 TX TIP
3 Port 1 RX TIP
4 Port 1 TX TIP
5 Port 2 RX TIP
PIN 26
PIN 50
8 9 10 11 12 13 14 15
Pin
26
27
28
29
30
16 17 18 19
Signal
Port 0 RX RING
Port 0 TX RING
Port 1 RX RING
Port 1 TX RING
Port 2 RX RING