HDMI 2.0 HDBaseT Extenders
© Copyright 2020 Hall Research, LLC.
11
Model ECHO-RX2 (rear)
1 2 3 4 5
1)
RS-232: Connect to an RS-232 controller using the Phoenix terminal to
transmit RS-232 commands.
2)
HDBaseT In: Connect CAT5e or CAT6 cable to Sender.
3)
RST: Reset switch. Hold 3 seconds to reset to factory defaults.
4)
FW: USB Micro port used to update firmware.
5)
Audio Out: Line level stereo analog audio, de-embedded from HDMI
OUT.
5.0 Serial RS-232 Control
The ECHO-4S and ECHO-8S senders use system commands to select which
HDBaseT output to route the RS-232. Before daisy-chaining multiple senders,
assign a unique Device ID to each one by issuing an RS-232 system command to
each sender.
Serial Communication Parameters
Baud rate: 115200, Bits: 8, Parity: None, Stop bits: 1, Flow Control: None
Serial Commands
System commands start with the “#” character and terminate with a
carriage return and line feed <CR><LF>.
System Commands
must
be sent as a complete string without any delay
between characters.
All responses from connected receivers are output on a first-come-first-
served basis.
Do NOT send the ‘[‘ and ‘]’ characters
System Command
Description
#set_device_id[n]<CR><LF>
Where:
n is Device ID
n = 1 to 8
Device ID #1 (Default)
Set the Device ID of the unit to allow control of daisy-chained senders
Response example:
Set Device ID to 3
>>
#set_device_id3<CR><LF>
