Serial Port 1/ 2 - Rs485 Mode Selector (Sw1) - Avalue Technology VMS-BYT Quick Reference Manual

Serial port 1/ 2 – RS485 mode selector (SW1)
2.4.9
Quick Reference Guide
In Serial Port 1 mode
ON
Auto Direction
1
485TXP external
2
biasing resistor
485TXN external
3
biasing resistor
485RXP external
4
biasing resistor
485RXN external
5
biasing resistor
In Serial Port 2 mode
ON
6 Auto Direction
485TXP external
7
biasing resistor
485TXN external
8
biasing resistor
485RXP external
9
biasing resistor
485RXN external
10
biasing resistor
VMS-BYT Quick Reference Guide 25
OFF
RTS# Control*
OPEN*
OPEN*
OPEN*
OPEN*
OFF
RTS# Control*
OPEN*
OPEN*
OPEN*
OPEN*