HORNER HEXT251C216 - Set Serial Ports

MAN0964-13-EN_XL4_UM
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5.10 Set Serial Ports
The Set Serial Ports Sub-Menu displays three System Settings, all of which are editable, and one
optional item. For the Dflt Pgm Port System setting, only MJ1-232 can be selected, unless a
Modem (XMC) COM module is installed.
Dflt Pgm Port
MJ1-232 = MJ1 RS232 port is the default programming port
Modem = Modem COM module is the default programming port
MJ2 RS485 Bias
No = MJ2 RS485 bias resistors are not switched in
Yes = MJ2 RS485 bias resistors are switched in