User's Manual

Maintenance Manual
UDM-240ZV/ZBV
10
Status Display
LED
The users can be recognized the current status by LED indicator on the top of the UDM.
The status indication will be as followings.
 PWR : red LED will be on if the power is being supplied
 TX : it indicates the receiving status of the device and red LED will be on while
transmitting through a mobile radio connected to the device.
 RX : It indicates the transmitting status of the device and green LED will be
blinking while receiving through a mobile radio connected to the device.
 A : It indicates operating channel and audio level.(amber LED)
 B : It indicates operating channel and audio level.(green LED)
 C : It indicates operating channel and audio level.(red LED)