Westermo TR-36 - Manual (Page 32)

32 6614-2202
… TR-36 485 – two wire half duplex
In this application the TR-36 is set to communicate with a number of units with
RS-485 interface.
The communication is 2 wire half duplex at 38.4 kbit/s, 8 data, parity even and
1 stop bit.
Configure the TR-36 485
AT&F Set the unit to factory default
AT&W Store default settings
S2:3 ON RS-422/485 enable RS-232 disable
S2:4 OFF Select 2-wire RS-485
S1:4 ON 38.4 kbit/s
S1:7 ON 8 data bits even parity 1 stop bit
S4:8 ON Termination / Failsafe active
To make switch setting active the power must be cycled OFF ≥ ON.
TR-36 485
Termination
1
2
3
4
PSTN
Network