Extron-electronics RGB 203 Rxi User Guide Manuel d'utilisateur télécharger pdf (Page 10)

e BNC output connectors — Connect a coaxial cable between the display (projector or

monitor) and the rear panel BNC connectors, as shown in the ﬁgure at right.

For RGBHV (separate H and V sync) output, connect the cables to ﬁve

BNCs.

For RGBS (composite sync), connect the cables to four BNCs.

For RGsB (sync on green, SOG), connect the cables to three BNCs. Also

select the SOG option on the rear panel DIP switch (see “Rear Panel DIP

Switches” on page 8).

f Remote connector — Connect an RS-232 device (control system or PC

computer) for remote switching between inputs and remote centering control to this

9-pin D female connector (see ﬁgure below for wiring details).

Pin RS-232 Contact closure Function

1— In#1 Input #1

2TX

—

— Transmit data (-)

3RX Receive data (+)

4— In#2 Input #2

5 Gnd Gnd Signal ground

6— In#3 Input #3

7—

——

8—

——

9—

——

Female

Figure 4. Wiring for 9-pin D connector

Software for RS-232 control is included with the interface. See “Contact Closure

Remote Control” on page 17 for details.

Connect a contact closure remote control device to this 9-pin D female connector for

remote switching between inputs.

The rear panel Remote connector also provides a way to select an input to the interface

using a remote contact closure device. Contact closure control uses pins on the

Remote connnector that are not used by the RS-232 interface. The contact closure pin

assignments are shown in the table in ﬁgure 4.

To select a different input number using a contact closure device, momentarily short the

pin for the desired input number to logic ground (pin 5). To force one of the inputs to be

always selected, leave the short to logic ground in place. The short overrides front panel

input selections.

NOTE: Shorting the contact closure pin to override the front panel selection does

not work if the interface is in auto switch mode (the rear panel DIP switch 7

is set to On).

RGBHV

RGBS

RGsB

R G

R G B

RGB 203 Rxi • Rear Panel Cabling 4

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 35 36

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Extron-electronics RGB 203 Rxi User Guide Manuel d'utilisateur Page 10

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