Phone LEDs

1, 2 LEDs

LED Indicator	Description
Off	• No call activity on the specified voice channel.
Flashing	• An outgoing or incoming connection is being
	established on the specified voice channel.
Steady	• There is a connection on the specified voice
	channel.

LED Indicator	Description
Off	• There is no data being transferred on the serial
	port.
On	• Data is being transferred on the serial port.
(intermittent)

DTE LED

LED Indicator	Description

Off	• There is no call activity on the specified serial
	port.
Flashing	• An outgoing or incoming connection is being
	established on the serial port.
Steady	• This indicates there is a data connection.
	• With AO/DI, this indicates the B-channels are off
	and only the D-channel is being used for your
	data connection.