49
SERIAL INTERFACE SPECIFICATIONS
Serial Interfaces
Mode Selection
RS-232/422/485 software selectable
RS-232 lines
TXD, RXD, RTS, CTS, DTR, DSR, DCD,
GND
RS-422 lines
TXDA(-), TXDB(+), RXDA(-), RXDB(+),
GND
RS-485 lines (2 wire)
Data(-), Data(+), GND
RS-485 lines (4 wire)
TXDA(-), TXDB(+), RXDA(-), RXDB(+),
GND
Baud Rates
75, 150, 300, 600, 1200, 2400, 4800, 7200,
9600, 14400, 19200, 28800, 38400, 57600,
115200, 230400
Data Bits
5, 6, 7, 8
Parity
None, even, odd, mark, space
Stop bits
1, 1.5, 2
Flow control
None, RTS/CTS, XON/XOFF
RS-422/485 biasing
Auto 4.7K ohm pullups and pulldowns
RS-422/485
termination
Auto termination with thru hole resistor
(user supplied)
RS-485 data control
Auto control via MCU
Summary of Contents for VESR901
Page 1: ...VESR9xx Serial servers...
Page 51: ...51 APPENDIX C DIMENSIONAL DIAGRAMS Dimensional Diagram of a VESR901 Serial Server...
Page 52: ...52 Dimensional Diagram of a VESR902D Serial Server...
Page 53: ...53 Dimensional Diagram of a VESR902T Serial Server...
Page 54: ...54 Dimensional Diagram of a VERR92x Serial Server...
Page 56: ...56 Terminal RS 422 485 4 Wire RS 485 2 Wire A TDA Data A B TDB Data B C RDA D RDB E GND GND...
