Hall Research UHBX-3S User Manual
Page 9
UHBX-3S
9
5.2 Serial Commands
Command: XC,n
Connect serial interface to an output (n). If n is not specified, then it reports
which output the controller is connected to. “n” could be in the range of 1 to 99
Response: XC,n
This indicates that the command completed successfully
Command: XT
This command should be followed by a string of characters to send. The user
has 1-5 seconds to enter any characters from 0x00 to 0xFF. The maximum
number of bytes being sent out can’t exceed 64.
The terminal characters indicating the end of string are 0x17 followed by 0x0D.
If the user has more than 64 bytes to send, they must use multiple commands.
Response: OK
It is recommended that the customer wait for the OK response prior to issuing
further commands. Neglecting to do so runs the risk of corrupting the internal
buffers.
Command: XR
Get the contents of the receive FIFO. The unit can store upto 64 bytes in the
Receive FIFO. This commands
Response: x bytes or none in the FIFO
Command: XB,n
If n is not specified, it reports the current baud rate (n = 1-8 per table below)
Response: XBn
If n is not specified, it reports the current parity. n: (0 = None, 1=Odd, 2=Even)
Response: XP,n
NOTES:
“XB,n” and “XP,n” are global commands and will affect the setting for all
HDBaseT outputs. So if all the remote devices you are trying to control use the
same baud rate, you only need to issue the XB,n command once. Otherwise you
need to use the XB,n command prior to sending data to individual outputs
By Default power management is turned on in the UHBX-3S. This means that if
there is no video or no display connected (Hot Plug not active), the unit will put
the HDBaseT links in low power mode. This will significantly reduce power
consumption in both splitter and receiver. You can still send Serial commands at
all baud rates when the power management is active . However, it is possible to
get a single spurious extra “junk” byte at the beginning of your command as
N
1
2
3
4
5
6
7
8
Baud
Rate
1200
2400
4800
9600
19200
38400
57600
115200