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Appendix C ~ Serial Commands
Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760
Example
The following command lowers the gain 3dB on the Mic/Line input channel.
GAIN
1 I -3
HOOK
This command sends a momentary interruption in the line seizure (hook flash) to the
telephone line. Command form:
HOOK
Return values
If hook flash succeeded, the following is returned out the port: HOOK 0
HOOKD
This command controls and reports the Hook Duration of the unit.
Command form:
HOOKD
<X>
Explanation
Values 1 = Sets Hook Duration to 50 ms
2 = Sets Hook Duration to 500 ms
Null = Reports back the current state
Return values
The command will return the current hook duration of the unit in the same format as
the command. If the sent command changes the hook duration of the unit, the
updated hook duration is returned.
LFP
This command locks, unlocks, or returns the current state of the front panel from the
serial port. Command form:
LFP
<X>
Explanation
Values 0 = Unlocks the front panel
1 = Locks the front panel
2 = Toggles between states (regardless of current state)
Null = Returns the current state of the front panel
Return values
The command will return the updated condition of the front panel.