Serial interface specifications, Fiber optic cable information – B&B Electronics VESR321_ML_SL - Manual User Manual
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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 (4 wire)
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,
14.4k, 19.2k, 28.8k, 38.4k, 57.6k, 115.2k, 230.4k
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
1.0 K ohm pullups and pulldowns
RS-485 data control
Auto control via MCU
Fiber Optic Cable Information
Mode and Distance
Wavelength
Output Power
Receive Sensitivity
Multi-mode (2 km)
1310 nm
-23 to -14 dBm
</= -31 dBm
Single-mode (15 km)
1310 nm
15 to -8 dBm
</= -34 dBm
Single-mode (40 km)
1310 nm
-5 to 0 dBm
</= -35 dBm
Single-mode (80 km)
1550 nm
-5 to 0 dBm
</= -34 dBm