CS72D / CS74D User Manual
4.Press and hold the Port 1 pushbutton on the unit's front panel. While holding down the Port 1 pushbutton, connect PC1's USB Keyboard Type A connnector in the Custom KVM cable set to a USB port on your computer.
Note: The Computer Port 1 at the rear panel of the unit is labeled accordingly – use the cable that is attached to the PC1 port.
5.Power on the unit, and release the Port 1 pushbutton:
The CS72D front panel LEDs flash to indicate that Firmware Upgrade Mode is in effect
For CS74D, the front panel LEDs of Port 3 and Port 4 lights steady to indicate that Firmware Upgrade Mode is in effect (the LEDs of Port 1 and Port 2 are off)
Starting the Upgrade
1.Run the downloaded Firmware Upgrade Package file – either by double clicking the file icon, or using a command line to enter the full path. The Firmware Upgrade Utility Welcome screen appears.
2.Read the License Agreement (enable the I Agree radio button).
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