Extron electronics CTR 8 Setup Manual

IMPORTANT:

Go to www.extron.com for the complete

user guide, installation instructions, and

specifications before connecting the

product to the power source.

CTR 8 • Setup Guide

The Extron CTR 8 provides contact closure input switching for most Extron switchers with
RS-232 capability. It allows simple push-buttons to remotely switch and mute video sources.

NOTE: For full installation and operation details, see the CTR 8 User Guide, available at

www.extron.com.

Installation

ATTENTION: Turn the input and output devices off and unplug their power cords.

Verify that the CTR 8 is disconnected from the power source before proceeding.

12V

POWER IN

POWER OUT

RS-232

Tx

4

CGT+V

3

CGT+V

2

CGT+V

1

CGT+V

8

CGT+V

7

CGT+V

6

CGT+V

5

CGT+V

G

Tx Rx G

1.0A
MAX

1.0A
MAX

CONTACT IN / TALLY OUT COM

REMOTE

CTR 8

CTR 8

Power LED — Lights green when the unit is receiving power.

4

3

2

1

1

1

Figure 1. CTR 8 Rear Panel

a

DC power input with loop-through — Wire the external 12 VDC power supply

as shown below and connect it to the Power In connector.

SECTION A–A

Ridges

Smooth

Power Supply Output Cord

A

A

3/16”

(5 mm) Max.

The Power Out connector allows power to be looped to an Extron device that

uses +12 VDC voltage. Follow the same pin diagram above to connect a device to
the Power Out connector.

b

Contact closure inputs with tally outputs — Connect contact closure source devices

to these 4-pole female captive screw connectors. Wire each connector as shown below.

CGT+V

Contact (C)

Ground (G)

Tally output (T)

T

ally voltage (+V)

NOTE:

• For “Show Me” cables, the ground pin connection is optional.

• Do not connect “Show Me” cables to the +V pin.

POWER IN

POWER OUT

1.0A
MAX

1.0A
MAX

POWER OUT

1.0

A

MA

X

68-2524-50

Rev. A

12 13

Front Panel

CTR 8

Power LED — Lights green when the unit is receiving power.

1

c

Remote RS-232 port — Connect the serial port of a control computer to this female captive

screw connector, as shown below, to control the CTR 8 using SIS commands.

CGT+V

Contact (C)

Ground (G)

Transmit (Tx)

Receive (Rx)

Ground (G)

Tx Rx

RS-232

G

d

COM switcher port — Connect an Extron switcher to this

female captive screw connector as shown at right. Only
connect the Tx and G pins of the CTR 8.

Application Diagram

© 2013 Extron Electronics — All rights reserved. All trademarks mentioned are the property of their respective owners. www.extron.com

Transmit (Tx)

Ground (G)

Tx

COM

G

RxTx

REMOTE

CTR 8 Switcher

G

12V

POWER IN

POWER OUT

RS-232

Tx

4

CGT+V3CGT+V2CGT+V1CGT+V

8

CGT+V7CGT+V6CGT+V5CGT+V

G

Tx Rx G

1.0A
MAX

1.0A
MAX

CONTACT IN / TALLY OUT COM

REMOTE

100-240V ~ 50/60 Hz

-- A MAX

1

2

CONFIGURABLE

HDMI

IN1606

HDMI

5

6

HDMI

A

B

3

4

INPUTS OUTPUTS AUDIO INPUTS OUTPUTS REMOTE

L1

R

L2

R

L3

R

L4

R

L5

R

+48V

+48V

12

LR

VARIABLE

Tx Rx

RS-232

G

LAN

RESET

1

2

MIC/LINE

L6

R

INPUT

LAN

POWER
12V
500mA
MAX

1234

COM 3 IR

3

SGSG

TxRx

4

RELAY
3

4

COM1

TxRx

RTS CTS

COM 2 IR

1

SGSG

TxRx

2

RELAY
1

2

RS-232

RS-232

Ethernet

Ethernet

HDMI Video and
Embedded Audio

Power
Supply

CTR 8

IN1606

VGA/HDMI “Show Me” Cables

TCP/IP

Network

IPL 250

C

1

CGT+V

Display

Contact Closure and Tally

Contact Closure
and Tally