Gefen EXT-HDMI1.3-841 - Manual (Page 12)

9
RS-232 SERIAL COMMUNICATION
What features are available via the RS-232 serial communications port?
The 8x1 Switcher for HDMI 1.3 can accept commands through the RS-232 serial
communications port located on the rear panel. The current RS-232 control
features are:
• Switching/routing of inputs to outputs without the RMT-8IR remote control.
How do I use these features?
These features were initially intended for utilization by custom installers in
automated setups. However, these features can be tested by using any Windows
PC with the Hyperterminal program.
What pins are used for communication with the 8x1 Switcher for HDMI 1.3?
Only pins 2 (Receive), 3 (Transmit), and 5 (Ground) are used for communication.
A null-modem adapter should not be used with this product.
5 4 3 2 1
9 8 7 6
1 2 3 4 5
6 7 8 9
Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface
What are the communication port settings?
Bits per second ................................................................................................. 19200
Data bits .................................................................................................................... 8
Parity .................................................................................................................. None
Stop bits .....................................................................................................................1
Flow Control ....................................................................................................... None
Switching/Routing Binary Table
ASCII Corresponding
RMT16-IR
Button
Binary
1 1 0011 0001
2 2 0011 0010
3 3 0011 0011
4 4 0011 0100
5 5 0011 0101
6 6 0011 0110
7 7 0011 0111
8 8 0011 1000