Serial Connection (RS232)
On the panel
1. Enter the Engineer Menu (code 9999).
2. Scroll the menu (x button) until Options Up/Downloading is displayed.
3. Choose RS-232 in the Download by option.
4. On the UDL Password screen, do not enter anything and press t.
5. On the UDL Priority screen, we recommend setting this to High [0] to prevent events and
notifications from disconnecting the UDL connection. Press t.
On InSite UDL software from a PC
1. To setup the COM port associated to Modem, open the software, click on Configuration >
Modem Settings > RS-232.
2. Make sure that the serial COM used by UDL is the same set in the PC (Control Panel > Device
manager > Ports.
3. Make sure that the RS-232 icon in the UDL graphic user interface is green.
4. Click on Force Dial Customer.
5. Set the Dial Mode field to RS-232.
6. Enter the Engineer Code in the Engineer Code field.
7. Click on Dial.
If connection is successful, the RS-232 icon will become blue.
PCX Installation Guide 102017852 - V01 31
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