Extron Electronics System 5cr - Manual (Page 16)

Making Connections • Chapter 2
Extron • System 5cr Switcher • User’s Manual 2-5
3.5 mm, 5-pole captive screw connectors are used for the audio inputs
and one output, as well as for accessories. These include:
• Aux1 & Aux2 – SCP 100 remote panels (2 optional)
• Relay – Room/relay custom control (standard feature)
• Comm – projector control through the standard IR Emitter or the optional
IR Broadcaster.
One three-contact stereo phono-type of connector is provided for the
optional Display Power Sensor. This device detects when the projector
power is on.
All connectors are provided. Cables are the responsibility of the installer.
The two standard accessories described in this section are the Infrared
Emitter and the Room/Relay custom control. Figures 2-7, 8 and 9 show
accessory connections. Optional devices (SCP 100, the IR Broadcaster
and the Power Sensor) are also covered in their separate user’s guides
and are summarized in Appendix B of this manual.
Comm Connector and Infrared Emitter
This connector is for projector control,
and can be used in different ways:
1a. Connect the IR Emitter (included) to
transmit all of the “learned” IR
commands to the projector. The IR
Emitter includes a black cable with two
wires, one has a white stripe. Insert the
wire with the white stripe into the
carrier/signal pin (C) and the solid black
wire to either ground contact (B or D).
1b. If a wired remote can be plugged into
the projector, that cable will use pins A
(signal) and B, as shown in Figure 2-7.
Figure 2-8. The IR Emitter can be used from the Comm connector or through an IR Broadcaster.
2. To install and use the optional IR Broadcaster, and to use emitter with the
IR Broadcaster, see user’s guide 68-392-02. For some projectors, the IR
Emitter must be used with the broadcaster.
The standard IR Emitter transmits infrared signals over a short, narrow
range, while the IR Broadcaster covers a wider, longer area. Both of these
devices transmit only the IR commands that have been stored in the
System 5, either through “learning” or by uploading from Extron’s IR
library. If the broadcaster is installed, the emitter may not be needed.
Room/Relay Connector
The Room Relay contacts are shown in Figure 2-9. One relay has two
sets of contacts – one set is normally closed and the other is normally
open. When the Room function is active, the normally closed contacts are
open and the normally open contacts are closed.
The contacts can be programmed to operate either of
two ways: latched (press-on, press-off) and momentary
or timed (press-on, time-out-off, default = 1/8 second).
Timing can only be set through Windows® control
software, through a PC.
The system designer can use these contacts any way
he/she desires as long as the contact specifications of
24 volts at 1 ampere are not exceeded.
Figure 2-9. The Room Relay has two sets of contacts.
normally
closed
normally
open
to Room
control
equipment