GeoVision GV-R1352 Card Reader (13.56 MHz) - Manual (Page 49)

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3.7 Firmware Upgrade
GeoVision periodically updates its website with the latest firmware. Using the provided tool,
the new firmware can be easily installed on the reader.
First, prepare a RS-485 / USB converter, and connect the reader to a PC as illustrated below.
(Blue) RS-485 -
(Yellow) RS-485 +
GV-RKD1352
DC 12V
RS-485 / USB
Converter PC
USB
To upgrade firmware:
1. Download the Firmware Upgrade Tool from our website to the PC.
2. Run the Tool. This dialog box appears.
3. Select the COM port used by the reader in the PC, set the Baud rate to 9600 , and click
Connect .
4. Make sure the Device ID is the same as the reader ’s current ID. If not, revise the ID.