Mode Of Operation - AT&T MERLIN LEGEND Release 3.0 Programming Summary Manual

Mode of Operation

Mode of Operation
The system mode—Key, Behind Switch, or Hybrid/PBX—determines 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:
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 mode
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
The Ground-Start trunks option cannot be
module has been modified for Permanent
programmed if the processor
Key mode operation only.
Basic System Operating Conditions 2-7