Extron electronics SW4 3G HD-SDI Manuel utilisateur

AUTO

SWITCH

ACTIVE

SW4 3G HD-SDI

MULTI-RATE SDI SWITCHER

MODE

NORMAL

AUTO

RATE

NOT

RECOGNIZED

270 Mbps

1.485 Gbps

2.97 Gbps

The Extron® SW4 3G HD-SDI switcher is a four input, two parallel output, multi-rate switcher. It allows up to four SDI or

HD-SDI video input sources to be switched to two identical outputs, on female BNC connectors. The SW4 HD-SDI supports

multiple SDI rates, including 270 Mbps, 1.485 Gbps, and 2.97 Gbps. In auto-input switch mode, the SW4 3G automatically

switches to the highest numbered input with active sync pulses.

This guide provides basic instructions for an experienced installer to set up and operate this switcher.

Installation

1. Turn off all of the equipment and disconnect it from the power source.

2. (Optional) If desired, mount the switcher on a 6 inch or 9.5 inch deep rack shelf.

3. Connect up to four SDI, HD-SDI, or 3G-SDI video inputs to BNC input connectors 1 through 4.

NOTE: Each input is equalized regardless of the rate.

4. Connect one or two video SDI, HD-SDI, or 3G-SDI output devices to the

rear panel BNC output connectors.

NOTE: Outputs 1 and 2 output identical signals.

5. If the switcher will be connected to a computer or host controller for

remote control, wire the provided 3-pole captive screw connector to an

RS-232 cable. Connect the RS-232 cable to the RS-232 port on the rear

panel of the switcher and to the host RS-232 port (see the illustration at

right).

Protocol for the RS-232 port: 9600 baud, 8 data bits, 1 stop bit, no parity

6. Power on the input and output devices, then connect power to the

switcher by connecting the provided IEC power cord to the switcher

power connector and to an AC outlet.

Connecting an Input to the Outputs

To create a tie between an input and the outputs:

1. Determine the necessary switch mode for the SW4 3G (the default mode is normal). (See “Enabling and Disabling

Auto-input Switch Mode,” on the reverse side.)

оSelect auto-input switch mode to automatically switch to the highest numbered input with active sync pulses.

оChoose normal mode to manually change the input.

2. Select an input.

оIf you are using normal mode, select the desired input by pressing and releasing its input button. The LED beside

the selected input button lights.

оTo switch to another input, press a different input button.

оIf you are using auto-input switch mode, no action is necessary. The switcher automatically switches to the highest

numbered active input.

3. If needed, create a remote connection via RS-232. (See step 5 under “Installation,” above.)

Figure 1. RS-232 Connection

Switcher

Receive

Transmit

Ground

RS-232

Tx Rx

DB9 connector (female)

pinout to control equipment

Computer

5 1

9 6

Pin RS-232 Function

1 —

2 Rx Receive data (+)

3 Tx T

ransmit data (–)

4 —

5 Gnd Signal ground

6 —

7 — —

8 — —

9 — —

—

INPUTS

1 2 1 23 4

100-240V~.5A MAX.

50/60 Hz

OUTPUTS

RS-232

Tx Rx

SW4 3G HD-SDI • Setup Guide 1

SW4 3G HD-SDI Setup Guide

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FAX

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Enabling and Disabling Auto-input Switch Mode

In auto-input switch mode, the SW4 3G automatically switches to the highest numbered input with active

sync pulses. When auto-input switch mode is enabled, the Auto Switch Active LED (shown at right) lights.

Selecting Auto-input Switch Mode

To turn on auto-input switching:

1. Press and hold the Mode (Input 1) button.

2. While holding down the Mode button, press and hold the Auto (Input 3) button.

3. Release the Mode and Auto buttons simultaneously. The Auto Switch Active LED lights.

Selecting Normal Mode

To turn off auto-input switching:

1. Press and hold the Mode (Input 1) button.

2. While holding down the Mode button, press and hold the Normal (Input 2) button.

3. Release the Mode and Auto buttons simultaneously. The Auto Switch Active LED turns

off.

Application Diagram

The illustration below shows an example of how the SW4 3G HD-SDI switcher can be connected.

MODE

AUTO

MODE

NORMAL

AUTO

SWITCH

ACTIVE

Figure 2. SW4 3G HD-SDI Application Example

68-1571-50

Rev A

04 10

100-240V 0.2A

50-60Hz

INPUTS

1212

OUTPUTS

RS-232

SW4 3G HD-SDI

OFF

DISPLAY

MUTE

SCREEN

DOWN

VCR

DVD

DOC

CAM

LAPTOP

100

LINK

ACT

COM IR INPUT RELAY

TX RX

IPL 250

HD-SDI

Monitor

Extron

SW4 3G HD-SDI

Multi-Rate SDI Switcher

HD-SDI Projector

HD-SDI Cameras

HD-SDI VTR

RS-232

TCP/IP

TouchLink™

Control

System

SW4 3G HD-SDI 101 Setup Guide (Continued)

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