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Windows software for Connex CX4400 and CX4400HP


&127; Frequency range from 23.355MHz to 28.465MHz in Low Band
&127; Frequency range from 26.055MHz to 31.165MHz in High Band
&127; Step Up and Step Down
&127; Scan Up and Scan Down
&127; Dual Watch
&127; Repeater function (Split)
&127; 2 Memory Bank with 100 memories

System Requirements:
&127; IBM PC compatible
&127; Windows 16/32 bit and Windows NT operating system
&127; 1 MB of RAM, 1 MB of free disk space
&127; CX4400 Software
&127; Connex CX-4400 CB-Radio

&127; Few component`s
&127; 1 pcs. 25-Pin D-SUB Connector
&127; 1 pcs. NULL-Modem Cable

The connection to Printer port.
25-Pin Printer Connector
Install a 25-pin D-SUB Male connector on the radio`s bottom cover, and use a NullModem cable to the computer`s printer port.
See Radio interfacing to Printer Port for more information about using PrinterPort.

PinPrinterPortDirectionUsageConnection to:Active H/L
1Data 8Out to radioMC145106 pin 9HIGH
2Data 0Out to radioMC145106 pin 17HIGH
3Data 1Out to radioMC145106 pin 16HIGH
4Data 2Out to radioMC145106 pin 15HIGH
5Data 3Out to radioMC145106 pin 14HIGH
6Data 4Out to radioMC145106 pin 13HIGH
7Data 5Out to radioMC145106 pin 12HIGH
8Data 6Out to radioMC145106 pin 11HIGH
9Data 7Out to radioMC145106 pin 10HIGH
10ACKIn from radioPTT SwitchMicrophone connector Pin 3LOW
11BusyIn from radioSquelch ControlSouelch sircuit, IC1 pin 8LOW
18GroundGroundMC145106 pin 18

Before modificationAfter modification
MC145106  Circuit
To protect the PrinterPort:
Cut the trace between IC5 and IC6/IC7....
MC145106  Circuit
and insert 8 pcs. 4,7kW resistors across the cutted traces. If pin 9 is connected, cut the trace and insert 4,7kW resistors across.

Connection to the PrinterPortSquelch and PTT circuit
MC145106 Connection Circuit Connect a 4,7kW resistor to the SQ-circuit.

Use also a 1N4148 or similar diode to protect the input fron the PTT-Switch.

User Manual

&127; CX4400.EXE and install the file under C:\CX4400\
&127; Inpout16.DLL and install the file under C:\WINDOWS\SYSTEM\
&127; VBRUN300.DLL and install the file under C:\WINDOWS\SYSTEM\

Saving files:
PC: Right-click on link and choose "Save File As"
Mac: Click and hold on link and choose "Save File As"

You're welcome to send us any comments and suggestions on our email. If you're facing any problem, please fill this form and state your problem.We will get back to you.



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