9. Connect signal extensions. See:
▪ IR Extension on page 10.
▪ RS-232 Extension on page 11.
Extending Control Signals
VM-218DTxr can extend IR, RS-232 and Ethernet control signals to peripheral devices that
are connected to the relevant ports on the transmitter and receivers that are connected to the
VM-218DTxr.
VM-218DT can extend IR and RS-232 control signals in the same way.
The following procedures provide examples for extending signals.
You can extend only one type of signal (RS-232, IR or Ethernet-for VM-218DTxr only) to
control a peripheral device.
Figure 3 (for VM-218DTxr) and Figure 4 (for VM-218DT) show several types of signal
extensions for each HDBT device, for illustrating device capabilities only.
IR Extension
Use the IR 3.5mm mini jacks for the HDBT input and outputs to extend IR control
signals between any set of IR ports on the HDBT transmitter and receivers.
To extend an IR signal, for example, from VM-218DTxr to Projector B:
1. Connect an IR sensor cable to the OUT 5 IR 3.5mm mini jack.
2. Connect an IR emitter cable between the TP-780Rxr receiver (that is connected to
OUT 5) and Projector B.
3. Point the Projector B IR remote-control transmitter to the IR sensor to control Projector B
via the TP-580Rxr receiver that is connected to HDBT OUT 5.
In the same way you can control other peripheral devices connected to the HDBT-connected
transmitter and/or receivers.
To extend an IR signal, for example, from a remote room controller to Projector A:
1. Connect an IR cable between a room controller (for example, Kramer SL-240C) and the
IR port of the IN 2 HDBT-connected on the TP-780Txr transmitter.
2. Connect an IR cable between the IN 2 IR 3.5mm mini jack and the OUT 3 3.5mm mini
jack.
3. Connect an IR emitter cable between the IR port of the TP-780Rxr receiver that is
connected to OUT 3 and the IR port on Projector A.
4. Send an IR signal from the room controller to Projector A via the IN 2 TP-780Txr
transmitter and the OUT 3 TP-780Rxr receiver.
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