Gefen EXT-DPKVM-441, User Manual

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Appendix
Firmware Upgrade Procedure
The following items are required to update firmware:
• Gefen 4x1 DPKVM Switcher
• Computer running Windows XP
• Terminal-emulation program (e.g. HyperTerminal)
• RS-232 cable (do not use a null-modem cable)
• Firmware files (downloaded from Gefen Web site)
To begin the update procedure use the
#activebolo
command. The following set of
instructions will be using Hyperterminal.
1. Power-on the switcher.
2. Connect an RS-232 cable to the PC and open the terminal program.
See RS-232 Settings for configuration information.
3. Type the command
#activebolo
and press the ENTER key.
4. Type and enter the #activebolo command a second time.
The following will be displayed on the terminal screen:
==============================
Download new program_____1
Cancel___________________0
==============================
5. Press the ‘ 1 ’ on the computer keyboard to select Download new program.
The following will be displayed:
Waiting for the file to be sent ... (press ‘a’ to abort)
6. In Hyperterminal, click Transfer --> Send File...
7. Select the firmware file using the Browse button.
8. Select
YModem from the Protocol drop-down list.
9. Click the Send button on the Send File dialog.
The firmware update procedure will begin. This process should take a few moments.
After the firmware update is successful, the following will be displayed in the terminal
program.
Programming Completed Successfully!