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Quick Start to KeyGrabber MultiLogger!

Author: Jack Conner
by Jack Conner
Posted: May 07, 2020
keyboard barcode

The KeyGrabber MultiLogger comes as a 4-channel or 8-channel version.

The 4-channel version allows connecting up to 4 USB, PS/2 hardware keylogger keyboards, or barcode scanners in the following configuration:

Each keyboard or barcode scanner has an associated socket pair (1…4). The socket pair is internally connected in parallel, allowing to connect the keyboard or barcode scanner to either socket. The second socket should be used to connect the host computer. A USB keylogger to PS/2 adapter has to be used to for PS/2 devices.

The 8-channel version allows connecting up to 8 USB, PS/2 keyboards, or barcode scanners in the following configuration:

Each keyboard or barcode scanner has a single associated socket (1…8). A special splitter cable has to be used, allowing to connect the keyboard or barcode scanner and host computer. Both USB and PS/2 splitter cables are available, as seen on the picture below.

Finally, a 5V power supply should be connected to the rear panel, as seen on the image above.

The KeyGrabber Multi keylogger can be configured with a single text file named CONFIG.TXT. Use any text editor (such as Notepad) to prepare such file. The basic configuration involves defining what type of keyboards are connected to the ports. The following example demonstrates how to configure each channel:

  • Ch1Type=USB
  • Ch1Header=LogitechKeyboard
  • Ch2Type=PS2
  • Ch2Header=Second Keyboard
  • Ch3Type=PS2
  • Ch3Header=Noname
  • Ch4Type=USB
  • Ch4Header=Hp

The channel type (USB or PS2) should match the keyboard type on the corresponding port. The header is an arbitrary string describing the keyboard connected to a particular channel. If defined, the channel header will be added to the log each time the active device changes.

To enable time-stamping, add the following line to CONFIG.TXT:


Then, follow section Clock configuration to learn how to set the time in the built-in Real Time Clock.

If the networking streaming functionality is to be used, add the following lines to CONFIG.TXT:

  • DisableEthernet=No
  • IpAddress=
  • NetMask=
  • Gateway=
  • UdpPort=25998

The static IP data should match the network environment in which the device is to work.

Finally, the saved CONFIG.TXT file needs to be stored to the device. Use a mini-USB to USB-A cable to connect the device to a PC and apply power.

After a few seconds, the KeyGrabber MultiLogger will pop up as a removable drive. Copy CONFIG.TXT to the drive:

Then safely disconnect the removable device, and disconnect the USB cable. The new configuration will be applied on next power up.

Data logging will start immediately after power-up. Recorded keystroke data will be stored in the file LOG.TXT. This file may be accessed through USB flash drive mode, by connecting to a PC with the mini-USB socket.

Parallel to recording data to LOG.TXT, acquired keystroke data may be streamed over Ethernet using the UDP protocol. Refer to section Network communication for more information.

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About the Author

I am Jack, Working as a Marketing Manager at keelog which gives Usb keylogger and Keylogger to monitor your employees, Children or any other person.

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Author: Jack Conner

Jack Conner

Member since: Jan 08, 2019
Published articles: 43

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