User's Manual
Table Of Contents
- FCC Compliance and Industry Canada Statement
- January 2005
- Chapter 1: Introduction
- Chapter 2: Product Description
- Available Models
- Front View
- Rear View
- Top View
- Bottom View
- LED indicators
- Serial Port (DB9)
- USB Port (Type B)
- Ethernet Port (RJ-45)
- Input and Output Ports (Digital & Analog I/O)
- Power Connector
- Chapter 3: Installation Requirements
- Cellular antenna
- GPS antenna
- Serial cable
- Ethernet cable
- USB cable
- Power source
- Mounting Hardware
- Wireless network account
- Chapter 4: Installing the Modem
- Power cable connector
- Powering up the modem
- Adding the modem
- Creating the DUN profile
- Chapter 5: Troubleshooting
- Appendix A: Warranty and Customer Support
V0.0 BlueTree Wireless BT4400 & BT5400 Product Manual 17
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.
Table 2: RS-232 connector pinout
4 DTR Date
Term in al
Ready
OFF
Flashing
ON
No terminal is detected.
Problem.
Terminal host is detected.
5 REG Registra
tion
OFF
Flashing
ON
Network not found.
Registered on network.
Searching for network.
6 LNK
RF link
OFF
Flashing
ON
Not in a call.
In a circuit-switched call.
In a packet-switched call.
7 ACT
RF
activity
OFF
Flashing
No transmit/receive from network.
Transmitting/receiving data from network.
8* SER
Serial
mode
OFF
Flashing
ON
AT command mode.
On-demand serial IP mode.
Always-on serial IP mode.
Note: (Model BT4200 only)
8* GPS
GPS
OFF
Flashing
ON
No position fix available.
2D position fix is available.
3D position fix is available.
Note: (Model BT5200 only)
LED Label Full
Name
Color Corresponding State
Pin number Name Description Direction
1 DCD Data Carrier Detect Modem to PC
2 RXD Receive Data Modem to PC
3 TXD Transmit Data PC to Modem
4 DTR Data Terminal Ready PC to Modem
5 GND Ground Common
6 DSR Data Set Ready Modem to PC