Flash Memory Upgrade
33
9.2.2
Connecting the PC to the RS-232 Port
Before installing the latest Kramer Ethernet firmware version on the
VS-88HC
, do the following:
1. Connect the RS-232 DB9 port (COM 1) on the
VS-88HC
to a Null-modem
adapter and connect the Null-modem adapter with a 9-wire flat cable to the
RS-232 DB9 COM port on your PC.
2. Push in the ETH PROG button, located on the machine rear side.
3. Connect the power on your machine.
9.2.3
Upgrading Firmware
Follow these steps to upgrade the firmware:
1. Double click the KFR-Programmer desktop icon.
The KFR-Programmer window appears (see Figure 20).
Figure 20: The KFR-Programmer Window
2. Select the required COM Port
1
.
3. Press the File button to select the
.s19
firmware file included in the package.
4. Press the Send button to download the file. The Send button lights red.
5. Wait until downloading is completed and the red Send button turns off.
6. Disconnect the power on the
VS-88HC
.
7. Release the ETH PROG button, located on the machine rear panel.
8. Connect the power on your machine.
1 To which the VS-88HC is connected on your PC
