Instruction manual
New Programming Options
4-18
Installation, SPM, Maintenance, and Troubleshooting Supplement
Activate/Deactivate the DSU 4
The built-in DSU is factory-set to deactivated. It can be reached by using the 
following sequence: 
Console Procedure  SysProg
→Start→Lines and Trunks→ 
More→ More→CSU/DSU→Type Slot no.→ 
Enter→ ActivateDSU→Select Activated or 
Deactivated 
PC Procedure  →→→More→More→→Type Slot 
no.
→1→→Select Activated or 
Deactivated 
Programming Data Port Parameters 4
You can change the following for the two data ports on the 100 DCD module:
■ Assigning a data rate
■ Assigning channels to the data port
■ Assigning the receive clock
■ Inverting data
This procedure is available only for the 100 DCD module.
Changing the DSU setting may affect voice calls. The system 
waits until it is idle before activating or deactivating the DSU.










