MMX6x2-HT
User’s Manual
Section 4. TPS matrix concept Page 25 / 119
4.4.1. IR interface
Technical background
The Infrared signal transmission is similar to the serial data communication. However the
matrix does not contain dedicated IR I/O connection, the TPS interface can transmit/receive
IR signal in pronto HEX format.
Figure 4-6. IR interface block diagram
IR input of the TPS port.
IR output of the TPS port.
When the data transmission is enabled, the input/output port works in Command injection
mode. The IR data (in pronto HEX format) is transferred between the TPS port and the
LAN port. Separate user-configurable TCP/IP port numbers are defined for TPS IR input
and IR output ports for this purpose, see section 10.6 on page 116. The settings are
available in the LDC software, see section 6.7.1 on page 56.
ATTENTION!
The IR signal cannot be routed from an IR port to another IR port.
IR signal transmission – example
Figure 4-7. IR signal transmission
The concept
When a certain button is pressed on the remote controller, the crosspoint is changed in the
matrix. The IR code is sent through the TPS cable and recognized by the matrix. The
recognized code is a condition which triggers the action (crosspoint change).
Settings
Matrix: The matrix has to learn the IR code in advance to recognize it, see section 6.7.3 on
page 57. Then create a new event, where the stored IR (hash) code is the condition, see
section 6.8.2 on page 60.The action is the desired crosspoint setting.
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