Instruction manual
System Programming
8-66
Installation, SPM, Maintenance, and Troubleshooting Supplement
8System Forced Idle
When the entire system is forced idle, no calls can be made or received. The 
procedures listed below can be performed only when the entire system (every 
line and every extension) is idle:
■ Select system mode
■ Identify system operator positions
■ Renumber boards
■ Renumber system
■ Restore system programming information
■ Identify the Music-On-Hold jack
■ Program T/R on a 016 ETR module
When the system is forced idle, the following occurs: multiline telephone users 
hear a reminder tone that indicates the telephone cannot be used; display 
telephone users see the message Wait: System Busy; single-line telephone 
users do not hear a dial tone.
Line or Trunk Idle 8
Since these procedures require the line or trunk to be idle only at the instant of 
programming, the line or trunk is not forced idle. The following procedures can 
be performed only when the line or trunk being programmed is idle:
■ Identify loudspeaker paging line jack
■ Assign trunks to pools
■ Specify incoming or outgoing DID- or tie-trunk type
■ Specify tie-trunk direction
■ Specify tie-trunk E&M signal










