User's Guide

Draft 1 BlueTree Wireless BT-4600/BT-5600 Product Manual 14
OFF No terminal is detected.
Flashing Problem.
4 DTR Date Terminal
Ready
ON Terminal host is detected.
OFF Network not found.
Flashing Registered on network.
5 REG Registration
ON Searching for network.
OFF Not in a call.
Flashing In a circuit-switched call.
6 LNK RF link
ON In a packet-switched call.
OFF No transmit/receive from network. 7 ACT RF activity
Flashing Transmitting/receiving data from
network.
OFF AT command mode.
Flashing On-demand serial IP mode.
8 SER Serial mode
ON Always-on serial IP mode.
(Model BT4600 only)
OFF No position fix available.
Flashing 2D position fix is available.
9 GPS GPS
ON 3D position fix is available.
(Model BT5600 only)
Serial Port (DB9)
The modem’s serial port is an RS232 DCE, compliant with EIA-232
standard. The connector used is DB9 female and is shown in the
illustration below.