5
3
Unit Layout
4
External Connection
RS-232 Communication Port
• Besides the front control panel, the HDMI matrix switcher can be controlled by far-end control system
or through the Ethernet control via the RS-232 communication port
• With the RS-232 port, the HDMI matrix switcher can be controlled by several kinds of control
systems
• This RS-232 communication port is a female 9-pin D connector The definition of its pins is as the
table below
No.
Pin
Function
1
N/u Unused
2
Tx Transmit
3
Rx Receive
4
N/u Unused
5
Gnd Ground
6
N/u Unused
7
N/u Unused
8
N/u Unused
9
N/u Unused
