ClearOne comm AP10 Null, Ring, Terl, Appendices ~ Appendix C Serial Commands, Return values

26 Appendices ~ Appendix C: Serial Commands

NULL

This command sends a short noise burst down the telephone line and forces the AP10 to adapt to the telephone line. This command is write-only.

Command form: DEVICE NULL

Return Values: If the renull succeeded, the following is returned: DEVICE NULL

RING

When the AP10 receives a ring at the dialed-up location, the AP10 will respond: Device RING

TE

Controls and reports the connection status of the unit.

Command form: DEVICE TE <X>

Explanation: <X> is the action (i.e., connect, disconnect, current state)

X=0	Parameter to set the unit to disconnect from the line
X=1	Parameter to set the unit to connect to the line
X=2	Parameter to toggle the state from one state to the other
	(regardless of current state)
X=Null	Parameter to report back the current state

Return values:

If the current connect state is on, the following returns: DEVICE TE 1

If the current connect state if off, the following returns: DEVICE TE 0

Examples: To connect the unit to the telephone line:	#20	TE 1
To report the connection state of the unit:	#20	TE

TERL

This command reports back the telephone echo return loss (ERL) for the AP10 in dB. This is a read-only parameter.

Command form: DEVICE TERL

Return values:

If the current TERL level is 10 dB, the following is returned: DEVICE TERL 10

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