MAN1106-07-EN_XL+_UserManual
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5.10 Set Serial Ports
The Set Serial Ports Sub-Menu displays three System Settings, all of which may be edited, and
one optional item. For the Dflt Pgm Port System setting, MJ1-232, MJ2, and MJ3 can be selected,
unless a Modem (XMC) COM module is installed.
Dflt Pgm Port
MJ1-232= MJ1 RS232 port is the default programming port
MJ2 & MJ3= If modem is onboard, then GPRS-C, GPRS-S are options
Modem= Modem COM module is the default programming port
MJ1 RS485 Bias
No = MJ1 RS485 bias resistors are not switched in
Yes = MJ1 RS485 bias resistors are switched in
MJ2 RS485 Bias
No = MJ2 RS485 bias resistors are not switched in
Yes = MJ2 RS485 bias resistors are switched in
MJ3 RS485 Bias
No = MJ3 R5485 bias resistors are not switched in
Yes = MJ3 R5485 bias resistors are switched in