NTI Splitmux-C5HDR-4LC Installation And Operation Manual page 6

5.1 Wideband IR (30KHz---60KHz)
IR BLASTER (TX)
To control the source: Plug IR Blaster into a numbered "IR TX" port of the transmitter unit
(SPLITMUX); place IR blaster in front of the IR eye of the associated input source. Repeat
for each connected source.
IR RECEIVER (RX)
To locally control the source from the SPLITMUX: Plug IR Receiver into the "IR RX" port
of the SPLITMUX; place IR receiver at or near display.
To remotely control the source from the extended Display: Plug IR Receiver into IR RX
port of Remote Unit; place IR receiver at or near the display.
IR Control of Connected Remote Display
Locally control the remote display using the display IR remote control through the IR receiver
plugged-into the SPLITMUX and an IR Blaster plugged-into the Remote Unit.
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