AT&T MERLIN LEGEND Release 3.0 Programming Summary Manual page 152

Assign Trunks or Pools to Telephones
Summary: Assign Trunks or Pools to
Telephones
Programmable by
Mode
Idle Condition
Planning Form
Factory Setting
10-4 Telephones
System manager
All, but note differences in factory settings.
Telephone idle
Form 4b, Analog Multiline Telephone
Form 4d, MLX Telephone
Form 4e, MFM Adjunct: MLX Telephone
Form 4f, Tip/Ring Equipment
Form 5a, Direct-Line Console (DLC): Analog
Form 5b, Direct-Line Console (DLC): Digital
Form 5c, MFM Adjunct: DLC
Data Form 1a, Modem Data Station
Data Form 1b, 7500B Data Station
Key Mode. An Intercom Ring (ICOM Ring) button, an
Intercom Voice (ICOM Voice) button, and the first eight
lines connected to the control unit are assigned to all
analog multiline telephones, MLX telephones (excluding
operator positions), and MFMs connected to MLX
telephones. Two Intercom Ring buttons are assigned to
single-line telephones; no outside lines are assigned.
Behind Switch Mode. Intercom Ring, Intercom Voice,
and prime line buttons are assigned to all analog
multiline telephones, MLX telephones (excluding
operator positions), and MFMs connected to MLX
telephones. Two Intercom Ring buttons are assigned to
single-line telephones; no outside lines are assigned.
When prime lines are assigned to MLX extensions, lines
are not assigned to MFMs used to connect adjuncts.
Lines for MFMs must be assigned separately.