PTN MHD44 User Manual download pdf (Page 6)

HDMI Matrix Switcher

PTN Electronics Limited www.PTN-electronics.com

4. Front View and Rear View of the Product

4.1 Front view of MHD44

4.2 Rear view of MHD44

5. External Connection

5.1 Introduction of the Input and Output Connectors

According to different type of matrix, computer signal I/O interface are made up of 4-channel

HDMI ports and DVI-D female ports respectively (digital audio included). Please refer to shell

silk-screen figure about other types of interface.

5.2 Connection of RS-232 Communication Port

Except the front control panel, the HDMI matrix switcher 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, the HDMI matrix switchers 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

1 2 3 4 5 6 7 8 9 10 11 ... 16 17

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PTN MHD44 User Manual Page 6