Technical information

Technician’s Handbook
136
 Program the option “CLASS Trunk” in the circuit descriptor
options subform for the appropriate 4 or 8-circuit CLASS trunk.
5. Form 14, Non-Dial-In Trunks or Form 15, Dial-in Trunks
 Program the CLASS trunks.
6. Form 04, System Options and Timers
 Program the CLASS receivers for the LS/CLASS Trunk module.
The LS/CLASS Trunk card provides its own CLASS receivers
and does not require programming in Form 04.
In Form 15 the CLASS trunk becomes a DISA trunk.