Rear view of csw-hd880, External connection, Introduction of the input and output connectors – Comprehensive CSW-HD880 User Manual
Page 6: Connection of rs-232 communication port, Connection with control system, Connection with computer, 2 rear view of csw-hd880, 1 introduction of the input and output connectors, 2 connection of rs-232 communication port
HDMI Matrix Switcher
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4.2 Rear view of CSW-HD880
4. External Connection
5.1 Introduction of the Input and Output Connectors
CSW-HD880 are made up of 8-channels input/output HDMI ports (digital audio included).
5.2 Connection of RS-232 Communication Port
Except the front control panel, CSW-HD880 can be control by far-end control system through the
Ethernet control via the RS-232 communication port.
5.2.1 Connection with Control System
With the RS-232 port, CSW-HD880 can be control 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
F 5-1 9HDF
5.2.2 Connection with Computer
When the switcher connects to the COM1 or COM2 of the computer with control software, users
can control it by that computer.
To control the switcher, users may use the public COM software. Please refer the details in
Communication Protocol and Command Codes