Toa DP-K1 - Manual (Page 98)

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The following screen appears after the update ends.
Step 5. Press the [Update] button of the DP-K1 Firmware Update screen.
The firmware update starts being transferred from the PC to the unit.
Step 6. Turn the unit's power off, and on again.
The unit is powered up with the firmware updated.
Step 7. Press the [Exit] button to end the firmware update.
[If "No Reply" is displayed]
If the screen on the right appears after pressing
the Update button, confirm the following:
• UTP Category 5 cable fitted with RJ45 connectors specification and connection
When connecting the unit to a PC directly, use a cross cable.
When connecting the unit to a switching hub, use a straight through cable.
• PC communication settings
After confirming above, follow the procedures from Sep 2 again.
If the same "No Replay" indication still appears in this Step 5, cycle the unit's power. Then, follow
the steps again from the beginning.