Westermo IDW-90 - Manual (Page 40)

40 6620-2200
IDW-90
Termination
1
2
ISDN
Network
… IDW-90 two wire half duplex
In this application the IDW-90 is set to communicate with a number of units with RS-485
interface. The communication is 2 wire half duplex at 38 400 bit/s, 8 data, parity even and
1 stop bit.
Configure the IDW-90
at**defa=0at**defa=1 Set the unit to factory default
AT&W Store default settings
S2:6 ON RS-422/485 enable RS-232 disable
S2:7 OFF Select 2-wire RS-485
S1:4 ON 38.4 kbit/s
S1:7 ON 8data bits even parity 1 stop bit
To make switch setting active the power must be cycled OFF -> ON.