Configure the SL2100
Quick Install Guide – SL2100 Terminals Type B rev 1.0 24
Timed Break Recall (TBR) / Hook Flash
Timed Break Recall / Hook Flash is used by an SLT to signal to the SL2100 that secondary dial tone is required,
for example to place the call on hold and dial another number when transferring a call.
The TBR button on an SLT is usually marked with R or Recall Note, some telephones may have the button
marked with FLASH.
Hook Flash is not used in the EU and is usually a break period of greater than 500mS.
Timed Break Recall is typically 90~120mS, so the SL2100 must be setup to detect outside of this range.
The typical setting for the SL2100 is to detect a TBR within a 70~125mS period.
The maximum duration of a
dial pulse break
For Time Break Recall detection set this timer
to 13 (65mS).
The minimum duration of a
Hook Flash/Time Break
Recall TBR
For Time Break Recall detection set this timer
to 14 (70mS).
The maximum duration of a
Hook Flash/Time Break
Recall TBR
For Time Break Recall detection set this timer
to 25 (125mS)
Note – You must also set the Maximum Break Time for Dial Pulse to a value less than that of the Minimum Hook
Flash Time otherwise the SL2100 will not detect TBR.
Ground Flash Recall (Earth Loop Recall)
Ground Flash Recall is not covered in this guide.
It is not recommended that you change these timers from default.
Minimum Ground-flash Time
Off Hook Detection Time
These timers determine the duration the phone must be off hook before the SL1100 will begin sending dial tone.
It is not recommended that you change these timers from default.
The minimum time for an off-hook
duration
No Detection Time after
Off-hook
The duration after off-hook before
dialling will be accepted
Loop Disconnect Time after Reversal
It is not recommended that you change this timer from default.
Loop Disconnect Time after Reversal Time
Ring Message Wait Period
It is not recommended that you change this timer from default.
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