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MiniTerm 904 12-Key Membrane

MiniTerm 904 12-Key Membrane

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Quick Overview

The MiniTerm 904 comes standard as USB-Virtual Serial, can also be programmed as USB-HID or Serial RS232, and has a 12-key flat membrane layout and is fully programmable.

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Additional Information


Included PC Connections

        » Serial RS232C Host Port
        » USB Virtual Serial COM port
        » USB HID Keyboard Device

  Quick Look

        » Product Sheet PDF  
        » MacroMaster Screen Shot

  On This Page

        » Product Highlights 
        » Operating Systems and Hosts 
        » Specifications 
        » Ordering Information 
        » Accessories 
        » Software & Manuals 

The Genovation MiniTerm 904-RJ is a fully programmable LCD mini-terminal. The MiniTerm 904-RJ supports simple and complex re-programmable key macros and system configurations. Includes detachable USB cable for easy setup. DB9KIT is available separately for Serial connection and different applications.

Genovation's MiniTerms are ideal whenever you need to add a user interface to a machine, device or process. The possibilities are endless -- MiniTerms are right at home whether connected to PCs, printers, automation or industrial control PLC systems, cash registers or other POS terminals, electronic musical instruments, high-speed video cameras, security systems, CNC mill control and industrial pendants, access control systems and digital signage -- just to name a few.

  • Easy to set up and use
  • Operates in standard terminal or line-edit (pin-pad) mode
  • 12 keys: sealed membrane 20 million operations
  • 1 x 16 super-twist back-lit LCD (sealed)
  • Fully-programmable serial settings & key table
  • Detachable USB Cable (Included)
  • Detachable Serial Cable and Power supply can be purchased separately as DB9KIT
  • RS232C compliant (full-duplex), supports a wide variety of baud rates and word formats
  • Selectable USB virtual serial and USB HID keyboard functionality
  • Internal buzzer/alarm/audible key beeper
  • "Flash" memory holds key data and settings
  • Includes Genovation re-programming software "MacroMaster232" for easy customization & setup
  • Will work with legacy COM port applications
  • LCD Smartie (serial LCD) plug-in available
  • Automated LCD screen (Scripting mode)
  • 1 year warranty
Type Sealed 12-key membrane terminal
Interface Standard RS232C serial Genovation USB virtual serial port Standard USB HID keyboard USB CDC class virtual COM port
Programmable Yes
Color Dark gray
Dimensions 15.5cm x 9.6cm x 3.5cm (6.1" x 3.75" x 1.5")
Weight 0.6500
Operating Systems Supported
Supported Operating Systems and Hosts
RS-232 Windows 95 / 98 / ME / 2000 / XP / Vista / 7 / 8 / 10
Mac OS, Linux, DOS, Embedded
USB HID Keyboard Windows 98se / ME / 2000 / XP / Vista / 7 / 8 / 10
Mac OS, Linux, Embedded
USB CDC Virtual COM Windows XP / Vista / 7 / 8 / 10 / Mac OSX / Linux
USB Virtual COM Port, MiniTermPro, MacroMaster Windows 2000 / XP / Vista / 7 / 8 / 10
Mechanical Data:
Life Cycles 2 x 107
Key Type Tactile sealed membrane (20,000,000+ operations)
Operating Force 0.686N (79gf)
Color Dark grey
Number of Keys 12
Electrical Data:
Power Supply 5vDC, 60mA
RS232 adapter supplied, USB bus powered
Key Roll-Over Selectable 1 or 2 key
Memory FLASH+EEPROM non-volatile, >100 year retention
LCD Display:
Type 1x16 Super-Twist “STN” (standard)
2x16 Super-Twist "STN" (optional)
4x20 Special order only (MOQ, $Call)
Backlight Yes (LED)
Length x Width x Height 15.5cm x 9.6cm x 3.5cm (6.1” x 3.75” x 1.5”)
Operating Temperature 0 to 70 degrees C (32 to 158 degrees F)
Operating Humidity 0% to 98% non-condensing
FCC Rating Class B Device
Keypad 0.3kg (0.65lbs)
Single Keypad Ship Weight 1.0kg (2.0lbs)
Interface: RS232
Type Serial RS-232C compliant
Cable Length Included 6ft (1.8m), detachable via RJ-45 connection
Optional 25ft (7.6m) cable available
Connection RJ-45 to DB-9 female
Data Rate 1200, 2400, 4800, 9600, 19200, 31250 (MIDI), 38400, 57600 and 115200 baud, full duplex
Interface: USB
Type USB 1.0, 1.1 & 2.0 compliant, bus powered
Cable Length Included 6ft (1.8m), detachable via RJ-45 connection
Optional 25ft (7.6m) cable available
Connection RJ-45 to USB standard Type A
Data Rate USB Full Speed



Ordering Information
Part Number: Description:
904-RJ MiniTerm 904-RJ - LCD Keypad, RS232 and USB
904-RJ-623 MiniTerm 904-RJ configured for MicroPad 623 compatibility.
Also available in a Wireless+Scanner form factor:
Call for more information.
904-WS MiniTerm 904 - Wireless Barcode Scanner LCD Keypad



Popular Accessories
RS-232 Serial Cable USB Cable
Driver / Software
File Type OS Supported File(s) File Name
Software v9 Windows 2K/XP, Vista, 7, 8, 10
(March 2016)
Download Now MiniTermProSetup_v9_setup.exe
 (6 MB)
Release Notes n/a Download Now MiniTermPro.txt
 (4 KB)
User and Developer Resources
Manuals File(s) File Type
MiniTerm Quick Set-up Guide Download Now pdf PDF File
MiniTerm User/Developer Manual
(May 2011, 1MB)
Download Now pdf PDF File
MiniTerm HID Keyboard Setup Brief
(Configuring MiniTerm as MiniTerm-K)
Download Now pdf PDF File
MacroMaster Advanced Mode Manual
(Oct. 2009, 1MB)
Download Now pdf PDF File
MiniTerm Low-Level USB Application Note Download Now pdf PDF File
MiniTerm Low-Level USB Application Note Files Download Now  RAR Archive
Sharp ECR Application Note
Using a MiniTerm with a Sharp Electronic Cash Register
Download Now pdf PDF File
Using the MiniTerm as a Serial LCD
(including LCD Smartie)
Download Now pdf PDF File
Genovation LCD Smartie display plug-in Download Now  ZIP Archive
Protect your software! Request a copy of our Genovation Keypad as Software Copy Protection white paper. Request Now PDF Request
Firmware Upgrades (for v5.10 and higher)
Description Comment File(s) File Name
Firmware v5.60
(May 2011)
» Upgrade using RS232 cable!
» See "Release Notes" above.
» Use browser Save As...
Call! MiniTerm_upg_v5_60.upg
(59 KB)
Firmware v6.10
(Dec 2011)
» Upgrade using RS232 cable!
» See "Release Notes" above.
» Use browser Save As...
Call! MiniTerm_upg_v6_10.upg
(59 KB)
Instructions Firmware upgrade instructions Download Now MiniTermFirmware Upgrade.pdf
(138 KB)

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