Honeywell TRS-3300 Installation And Operating Instructions Manual page 51

Installation and Operating Instructions TRS 33xx
Examples: 1 line:
2 lines:
8 = RS 485-Host interface
Assignment (PIN)
1
2
3
4
5
6
With the 4 DIP-Switches, the terminating resistors of the RS 485 host interface (see 7) can be
placed.
The RS 485-host interface and the RS 232-host interface (moModem or COMx - connection,
see 4) can not be operated at the same time.
Designation
Shielding
GND 1
D
D*
D1
D1*
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