User`s guide

4000/5000 Modems’ User Guide

Flashing Transmitting/receiving data from network

OFF No position fix available GPS GPS

Flashing Once for every GPS message received

Data Interface Specifications: Serial, USB, Ethernet

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.

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

7 RTS Request To Send PC to Modem

8 CTS Clear To Send Modem to PC

9 RI Ring Indicator Modem to PC

USB Device Port

This is a USB2.0 Device interface on a Type B connector.

Ethernet Port

The modem 10/100Mbps Ethernet port is compliant to EIA-568 standard, and requires

a crossover cable to connect to host terminals.

General Purpose Input and Outputs Specifications

The modem has 4 digital inputs, 3 digital outputs and 3 analog inputs for remote

control and monitoring.