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Chapter 3 - Key Station Features, Operation, and Programming
4. In the event that all CO lines are busy, you will hear busy tone and if you have an
Executive Telephone, it will display:
5. If the Last Number Redial memory is empty, you will hear error tone and an Executive
Telephone will display:
Conditions
Last Number Redial cannot be applied to intercom calls.
When you activate LNR, the system will first select the previously used CO line to dial.
If that CO line is busy, any idle CO line in the same CO line group will be selected. If all
CO lines are busy, you will hear busy tone and an Executive Telephone will display ALL
CO LINES BUSY.
The system programming data fields Dial Wait Time and Dial Tone Detection directly
affect the performance of LNR. When these features are enabled, the telephone will
either wait until dial tone is detected on a CO line, or wait for a pre-programmed
period of time before digits are dialed from the LNR memory on the CO line.
To LNR immediately depends on whether tone detection is allowed or pause timers
apply. If tone detection is allowed, the system will Redial the last number after CO dial
tone is detected. Otherwise, the system will Redial the last number only after the
pause time for tone detection is exceeded.
Loud Bell Control (Optional)
Description
The system provides two dry contact closure for interface to an external Loud Bell device
which is associated with incoming CO line ringing. If Loud Bell is assigned to a specific CO
line, the incoming call signaling on this CO Line will initiate LBC operation. The Loud Bell
contacts will follow the CO ring cadence programmed in system programming (data field
Ring Scheme). The external loud bell ringing device is customer provided. It is
recommended that a 24V DC 0.5 amp device be used. An external power source is
required.
ALL
CO LIN E S B U SY
LN R
EMP T Y
The LNR feature code may be programmed on a programmable feature button.
Loud Bel l Control (Optional)
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