MERLIN LEGEND Communications System Release 6.0
System Programming
555-660-111 Issue 1
February 1998
Programming Procedures
Page4-8Basic System Operating Conditions
4
Mode of Operation 4
The system modeKey, Behind Switch, or Hybrid/PBXdetermines how the
system operates and directly affects the following operations:
How lines and/or trunks are provided to users
Types of operator consoles allowed
Features available
Changing this option causes a system restart and terminates the programming
session. You must enter system programming again to program other features.
NOTE:NOTE:NOTE:
The Hybrid/PBX option is not available if the control unit processor module
has been modified to operate in Permanent Key mode only. See the

Equipment and Operations Reference.

The following options cannot be programmed for Behind Switch or Key systems:
Automatic Route Selection (ARS)
Pools
Queued Call Consoles (QCCs) and associated features
Direct Inward Dialing (DID) Trunks
System Access buttons
Dial Plan Routing (PRI)
Call by Call Services (PRI)
The Ground-Start lines/trunks option cannot be programmed if the processor
module has been modified for Permanent Key mode operation only.
Summary: Mode of Operation 4
Programmable by System Manager
Mode All
Idle Condition System idle
Planning Form Form 1, System Planning
Factory Setting Hybrid/PBX
Valid Entries Key, Behind Switch, Hybrid/PBX
Inspect No
Copy Option No