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© Sealevel Systems, Inc.
2106 Manual | SL9094 8/2022
5.
RS-422 requires pins 1 & 4 (R and Tr) and also pins 2 & 3 (Receive - and
Transmit -) to be jumpered as shown in this graphic:
6.
To test communications, launch the WinSSD utility in the SeaCOM folder in the ‘Start’
menu.
7.
On the ‘Port Information’ tab, select the associated COM port and click the ‘Open’ button.
8.
This will first open the COM port. From this tab the port can also be closed (See image
below). Click the ‘Settings’ button to open the COM Port Properties dialog box. This will
allow the Port Settings to be altered.
