LED LED State Indication
Solid green Connected to PC audio (default condition)
Flashing green Incoming PC call
Flashing yellow Active PC audio on hold
Flashing green Incoming desk phone call
Solid green Desk phone audio connected
Flashing yellow Active phone audio on hold
Both icons flashing green
for 2 seconds
MDA220 is booting up – once complete both LEDs will be off if no
headset is connected. If a headset is connected the PC icon will
remain lit solid green.
Solid red Firmware update in process – follow firmware update instruction
to clear once complete.
Solid red Over current condition – using HL10 without power supply.
Unplug MDA220, add power adapter, re-plug MDA220 to PC.
Flashing red Headset fault – replace headset and power cycle the MDA220.
When you press one of the two buttons, you are opening a phone line/audio channel. Depending
on the circumstances, you won't necessarily hear a dial tone until you've dialed from your phone.
The buttons allow you to switch to a different phone line/channel.
MDA220 LED Indicators
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