Section 8 - Appendix
Vlinx VESR4x4 Serial Server
Page 65 of 70
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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
(one per port)
Color = Green
On = Port open
Flash = Data traffic
Ethernet Link LED
(one per port)
Color = Green
On = When Connected
Flashing = Data traffic
Ethernet Speed LED
(one per port)
Color = Yellow
On = 100BaseTX
Off = 10BaseT
Ready LED
Color = Green
On Solid = System Initializing
Flash (once per second) = System OK
Flash (twice per second) = System Re-boot
Off = System NOT OK
Connectors
10BaseT/100BaseTX Ethernet
Single RJ-45F (8 pin)
SC fiber
SC connector
ST fiber
ST connector
Serial
VESR4x4D: four DB-9M connectors
VESR4x4T: four pluggable terminal blocks
DC Power
3-position pluggable terminal block, or locking barrel connector
NOTE: the terminal block must be used for Class 1 Division 2
applications; the barrel jack cannot be used for these applications.
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 pullups and pulldowns
RS-422/485 termination
Termination with thru hole resistor (user supplied)
RS-485 data control
Auto control via MCU
