Zigen HX-44 - Manual (Page 11)

Matrix Switching System—User Manual
10
5.0.2 HDMI Matrix and Control Computer Connection
Use the RS-232 connecting cable to connect the computer serial port (COM1 or COM2)
to the RS-232 communication port of the HDMI matrix host. The computer can then be
used to control the HDMI matrix after installation of application software. Aside from
using the front panel keys for switching operation, you are also permitted to use the
RS-232 connection port for remote operation.
Figure 5-4 HDMI Matrix and Computer Connection
The Leg functions are described as below:
Pin No. Leg Description
1 N/u Null
2 Tx Send
3 Rx Receive
4 N/u Null
5 Gnd Ground
6 N/u Null
7 N/u Null
8 N/u Null
9 N/u Null
Figure 5-5