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BB-VESP211x Serial Servers
:
55
CONTROLS, INDICATORS AND CONNECTOR SPECIFICATIONS
Switches
Reset Button
Hold in for 0 to 2 seconds for hardware reset .
Hold in for 2 to 10 seconds for Console Mode. (Do a
hardware reset or recycle power to exit Console Mode).
Hold in for more than 10 seconds to reset to factory defaults.
Indicators
Serial LED
Color = Green
On = Port open
Blink = Data traffic
Ethernet LED
Color = Yellow or Green
On = 100BaseTX
Off = 10BaseT
Blink = Data traffic
Ready LED
Color = Green
Blink (once per second) = System OK
Off = System NOT OK
Connectors
10BaseT/100BaseTX Ethernet
Single RJ-45F (8 pin)
Serial VESP211:
DB9
connector
VESP211-232: DB9 connector
VESP211-485: Terminal block connector
DC Power (12V DC)
Barrel connector
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 1K Ohm pull-ups and pull-downs
RS-422/485 Termination
120 Ohm with user-installed jumpers
RS-485 Data Control
Auto control via MCU