User's Manual

16 BlueTree Wireless BT4400 & BT5400 Product Manual V0.0
Rear View
Top View
Bottom View
LED indicators On the front plate of the modem, eight green LEDs are displayed: PWR, TX, RX,
DTR, REG, ACT, LNK, and SER or GPS. Those eight indicators offer a user-
friendly means of inquiring the modem’s operating status. They are described in
the table below.
Table 1: LED description
LED Label Full
Name
Color Corresponding State
1 PWR Power OFF
Flashing
ON
Modem is turned OFF.
Modem failure.
Modem is ON.
2 TX Transmit OFF
Flashing
Terminal is not transmitting data to modem.
Terminal is transmitting data to modem.
3 RX Receive OFF
Flashing
Terminal is not receiving data from modem.
Terminal is receiving from modem.