521 East 3
rd
Street Mt. Vernon, NY 10553
• www.keydigital.com
Rev 0
– Aug, 2020
27
TCP/IP and RS-232 Commands
•
KD-UPS52U allows control over serial interface for bi-directional
communication.
•
Use Unit Control pins 4, 5, and 6 for RS-232 communication
•
Serial interface may also be accessed using a TCP/IP connection or using
the USB Service port
•
Default IP address is 192.168.1.239, with default port 23
•
A single TCP/IP connection made at KD-UPS52U, KD-X100MRx, or KD
Transmitter enables IP connection to the KD-UPS52U and the KD Transmitter.
Ensure that the KD-
UPS52U and the KD Transmitter each device has been assigned a unique IP address to avoid IP
conflicts.
Connection Protocol
•
Baud Rate = 57,600 bits per second as default
o
Note: Activating KD-CamUSB or KD-Amp220 control mode will automatically adjust the baud-
rate to 9,600. It must be 9,600 to support KD-CamUSB and KD-Amp220 Integrated Systems
•
Data Bits = 8
•
Stop Bits = 1
•
Parity = None
•
Flow Control = None
•
Carriage Return = Required at end of each string
Notes:
•
Commands are not case-sensitive
•
Spaces are shown for clarity; commands should NOT have any spaces
•
After a new command is received, a prompt should be sent back
Help Command (H). Returns entire API in readable format:
-------------------------------------------------------------------------
-- Key Digital Systems HELP --
-------------------------------------------------------------------------
-- KD-UPS52U F/W Version : 1.00 --
-- --
-- H : Help --
-- STA : Show Global System Status --
-- --
-- Video Output Setup Commands: xx = [01-02,A=All], yy = [01-02,U,D] --