User`s guide

4000 & 5000 Series User’s Guide
2.5 Indicators Lights (LED)
The modem has 8 green LEDs on its front panel providing information on the state of the
modem:
LED Indication Status Corresponding State
PWR Power
OFF Modem is powered off
ON Modem is powered on
TX Transmit Flashing
Attached terminal is transmitting data to
modem via serial port
RX Receive Flashing
Attached terminal is receiving data from
modem via serial port
DTR
Data Terminal
Ready
OFF
No terminal is detected over modem serial
port
ON
Terminal host is detected over modem serial
port
REG Registration
OFF Radio is off (contact customer support)
Flashing Radio is registered on cellular network
ON Radio not registered on cellular network
LNK RF link
OFF Not in a data call
ON In a data call (connected to network)
ACT RF activity Flashing
Transmitting/receiving data over cellular
network
SER
(4000
series)
SER This LED is unused
GPS
(5000
series)
GPS
ON No position fix available
Flashing
Position fix acquired
Table 8
Revision 1.5 Copyright © 2007 BlueTree Wireless Data Inc. Page 15 of 67