Plug your programming cable into the PC without attaching the radio yet. Let Windows detect and install the appropriate USB-to-Serial drivers. Step 2: Identify the COM Port Right-click the Windows Start menu and open . Expand the Ports (COM & LPT) section. Note the number assigned to your cable (e.g., COM3 ). Step 3: Connect the Radio Ensure the IC-F5123D radio is turned OFF .
Before exploring the software, it's essential to understand the hardware it's designed to program. The IC-F5123D is part of Icom's IDAS™ (Icom Digital Advanced System) series, a VHF digital mobile transceiver built for industries where reliable, clear communication is paramount, including public safety, transportation, and construction.
: The IC-F5123D provides digital operation based on the NXDN™ Common Air Interface (CAI), ensuring advanced audio quality and features at a very narrow 6.25 kHz channel spacing—twice as efficient as traditional analog systems.
Icom's commercial "Land Mobile" software is typically sold through authorized dealers rather than as a direct consumer download. You can find these items at: Icom CSF3101D/F5121D Programming Software for F6121D
:
The most frequently accessed area of the software is the "Channel" window. Here, technicians define the operational frequencies and signaling logic.
Programming software allows you to unlock these hardware features, bridging the gap between factory settings and your operational needs. Identifying the Right Programming Software
: Configure NXDN™ digital features like Individual/Group calls and RAN (Radio Access Number). Button Customization
You may need to install the PL2303 driver for the USB cable to communicate properly with the computer. 4. How to Program the IC-F5123D icom icf5123d programming software
Programming your Icom IC-F5123D is a straightforward hardware setup: you need the software, the correct cable, and a PC.
You will need a standard (Windows OS). Before launching the software, you may need to install a driver for the programming cable. Many cables use chips like CP210x or Prolific . Windows 10/11 often auto-detects these, but always use the driver from the cable's included CD or the manufacturer's website. After installation, note the COM port number assigned in Windows Device Manager to select it in the software later.
Open the Windows (Right-click Start > Device Manager). Expand the Ports (COM & LPT) section. Note the number assigned to your cable (e.g., COM3 ). Launch the CS-F5120D software . Click on Setup in the top menu bar, then select COM Port .
Unlike amateur handheld radios that often support front-panel programming (FPP), the Icom ICF5123D is a commercial-grade marine radio. It is designed for reliability and compliance. By default, most functions (beyond basic volume and channel selection) are locked via the keypad. Plug your programming cable into the PC without
Set CTCSS or DCS codes for analog channels to prevent crosstalk.
Your most reliable bet is contacting an ICOM Land Mobile dealer. They can sell you the "Programming Kit" which includes the software and cable. Radio Reference / Forums:
Are you programming for , digital (IDAS) , or a mix of both ?
Plug the USB end of the cable into an available USB port on your PC. Turn the radio . Step 2: Configure the COM Port Expand the Ports (COM & LPT) section
Unplug and firmly re-insert the microphone jack. Reinstall USB serial drivers.
Insert the software CD or open the downloaded software installation file.