Extron electronics SW4 3G HD-SDI User manual

AUTO
SWITCH
ACTIVE
SW4 3G HD-SDI
MULTI-RATE SDI SWITCHER
1
MODE
2
NORMAL
3
AUTO
4
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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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.
1
MODE
3
AUTO
1
MODE
2
NORMAL
AUTO
SWITCH
ACTIVE
Figure 2. SW4 3G HD-SDI Application Example
©2010 Extron Electronics. All Rights Reserved - www.extron.com
68-1571-50
Rev A
04 10
100-240V 0.2A
50-60Hz
INPUTS
1212
34
OUTPUTS
RS-232
SW4 3G HD-SDI
ON
OFF
DISPLAY
MUTE
SCREEN
UP
SCREEN
DOWN
VCR
DVD
DOC
CAM
LAPTOP
PC
13
1
4
2
31
42
3
1
4
2
2
3
100
LINK
ACT
COM IR INPUT RELAY
TX RX
R
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
2
SW4 3G HD-SDI 101 Setup Guide (Continued)