Specifications

7-10
Reference Guide
Model No.
Running Head
WAN Module Descriptions WAN Card
7.3.1.4 DSX/CEPT Revision E1+ Module
The DSX/CEPT Revision E1+ module (Figure 7-10 and Figure 7-11) provides jumper settings
for impedance compensation. These modules support either T1 or E1 operation, with either 75
ohms or 120 ohms for an E1 interface. To configure this module, change the jumper positions
on the pins according to Figure 7-10 through Figure 7-14. The module is shipped for T1 DSX
operation, as shown in Figure 7-12.
Figure 7-10. DSX/CEPT Revision E+ Module Jumpers
Figure 7-11. Module End View
Figure 7-12. DSX T1 Operation Jumper Settings
Figure 7-13. 75-Ohm E1 Jumper Settings
Jumpers