BCB-
4 User’s Manual
Page 7 of 14
Optilab, LLC
600 E. Camelback Road, Phoenix, AZ 85012
Phone: (602) 343-1496, Fax: (602) 343-1489, Email: [email protected]
3. Once the BCB-4 is recognized by the PC interface, you are now ready to
send the remote commands to the BCB-4. The device uses the following
serial port communication protocols, ensure that your serial port
communication program is set appropriately:
Baud Rate:
9600 bps
Data Bits:
8
Stop Bits:
1
Parity:
None
Flow Control:
None
Text Transmission:
Append CR, LF
2.6 RS485 Command Set
When the electrical connections have been made, and the software settings for
serial port transmission are set correctly, you are now able to send commands
to the BCB-4 module.
Please refer to Appendix B at the end of this manual for command set and the
layout of the return from the READ command.
2.7 Bias Control Point Setting Information
For setting the bias control point of the BCB-4 controller, the choices are MAX,
MIN, Q+, and Q-, please refer to the diagram below. For pulsed applications,
use the MIN point, for maximum output power, use the MAX point, and for
typical RF over fiber applications, use Q+ or Q- to minimize the 2
nd
and 3
rd
order distortion harmonics.