Nortel Networks CVX 600 Manuel D’Utilisation

2-10

296-1011-202 Rel. 5.0, Doc. Rev. 02.01 

CVX 600 Hardware Installation Guide

The E1-DAC-LTM provides 12 or 24 E1 ports and one port for connecting to an 
external clocking device. To connect E1 cables to the E1 ports, and to connect the 
E1-DAC-LTM to an external clocking device, follow this step:  

1

Plug the connectors into the receptacles.

Using shielded cabling is an electromagnetic interference (EMI) 

requirement for CVX 600 E1 network configurations.

For UK installations using 75 ohm E1 coax, a balun is needed to 

connect to the 120 ohm impedance of the CVX switch. Nortel does not 
recommend a specific balun panel for this application.

Connect to the 
telephone network.

CVX-0243A

Connect to the 
external clocking 
device (optional).

E 112

E 1 x 24

12 E1 ports

24 E1 ports

Connect to the 
external clocking 
device (optional).