Sutron Corporation X-Link Operations & Maintenance Manual, Rev 1.63 5/24/2016 pg. 140
3.
Make sure serial drivers are installed (see the USB Connector section).
4.
Run a terminal program such as HyperTerminal on the PC.
5.
Select the correct communications port (e.g. COM1).
6.
Set the Comm properties to:
o
Baud Rate: 115200
o
Bits: 8
o
Parity: None
o
Stop Bits: 1
7.
Open the port
8.
Hit the ‘enter’ key and X-Link should show a prompt:
9.
If X-Link will shows a prompt, type ‘UPGRADE or ‘UPG’. X-Link will say Send
.upg file via YModem.
10.
If X-Link does not show a prompt, reset power to the unit and immediately
press the ESC key repeatedly until X-Link sends a C.
11.
An upper case C will repeat every 2 seconds or so over the serial port. Select
‘Send File and choose ‘Y-Modem’ and then select the upgrade file name
previously stored on the computer.
12.
Once the download is completed, the system will reboot.
13.
Type the command VER to check the version of firmware in X-Link after the
upgrade.