IOGear GHSW8242 User Manual
User Manual
4x2-Port HD Audio / Video Switch Splitter
GHSW8242
PART NO. M1202
© 2012 IOGEAR® Part No. M1202
IOGEAR, the IOGEAR logo, are trademarks or registered trademarks of IOGEAR. Microsoft and Windows are registered trademarks of Microsoft Corporation. All other brand and product names are trademarks or registered trademarks of their respective holders. IOGEAR makes no warranty of any kind with
regards to the information presented in this document. All information furnished here is for informational purposes only and is subject to change without
notice. IOGEAR assumes no responsibility for any inaccuracies or errors that may appear in this document.
Table of Contents
System Requirements .......................................................................................................4
Package Contents .............................................................................................................4
Overview ...............................................................................................................................5
Front View .......................................................................................................................5
Rear View ........................................................................................................................6
IR Remote Control ...........................................................................................................7
Installation ............................................................................................................................8
Operation ..............................................................................................................................9
Manual Selection .............................................................................................................9
Remote Control Selection ................................................................................................9
Power On Detection ........................................................................................................9
Audio Return Channel (ARC) ..........................................................................................10
Initial Setup ....................................................................................................................10
Enabling ARC ................................................................................................................11
RS-232 Serial Interface ...................................................................................................12
Conguring the Serial Port .............................................................................................12
Switch Port Commands .................................................................................................12
Mute Commands ...........................................................................................................13
ARC Commands ...........................................................................................................13
EDIC Commands ...........................................................................................................14
CEC Commands ...........................................................................................................15
Power On Detection (POD) ............................................................................................15
Verication .....................................................................................................................16
Powering Off and Restarting ..........................................................................................16
OSD Menu ........................................................................................................................17
Input Setting Menu ........................................................................................................17
Audio Setting .................................................................................................................18
OSD Setting ..................................................................................................................19
System Setting ..............................................................................................................20
Safety Instructions ..........................................................................................................21
Rack Mounting and Grounding ......................................................................................22
Specications ..................................................................................................................24
Limited Warranty .............................................................................................................25
Federal Communications Commission (FCC) Statement ............................................25
CE Compliance ...............................................................................................................25
SJ/T 11364-2006 ..............................................................................................................26
Contact .............................................................................................................................26
3
System Requirements
The following equipment is required to complete an GHSW8242 installation:
Source Device
HDMI Type A output connector(s)
Note: A DVI/HDMI adapter is required when connecting a DVI source device.
Display Device
Up to 2 display devices or receivers with an HDMI Type A input connector
Cables
6 HDMI cables
Note:
1. No cables are included in this package. We strongly recommend that you purchase highquality cables of appropriate length since this will affect the quality of the audio and video
display.
2. If you wish to utilize the GHSW8242’s high-end serial controller function, you will also need
to purchase an appropriate RS-232 cable. See Installing the RS-232 Controller, page 10.
Package Contents
The GHSW8242, 4x2-Port HD Switch Splitter package consists of:
• 1 GHSW8242 4x2 Port HD Switch Splitter
• 1 IR Remote Control
• 1 IR Receiver Cable
• 1 Foot Kit
• 1 Power Adapter
• 1 Quick Start Guide
• 1 User Manual
• 1 Rack Mount Kit
4
Overview
Front View
3 421 5
System Requirements
1. Port LEDs (4)
The selected port’s green LED lights up to
indicate that the port is selected.
2. ARC LED
The blue LED lights up when the ARC
function is enabled.
3. Power Button
Press this button to turn the power on / off
to the unit.
4. Power LEDs
- The green LED lights up when the switch
is powered on.
- The orange LED lights up to indicate that
the power is in standby mode.
6
7
5. IR Receiver
This receives signals from the IR remote
control.
6. Port Selection Buttons
Pressing a port selection pushbutton
routes the A/V source from the
corresponding input port to the output
port for display.
7. ARC button
Press this button to enable / disable the
ARC function.
5
Rear View
63 421 5
87 9
1. Grounding Terminal
The grounding wire attaches here.
Note: The grounding wire is not included
in this package.
2. Power Jack
The power adapter cable plugs in here.
3. IR Extender Port
Connect the IR Extender to this port.
4. RS-232 Serial Port
For input source selection and high-
end system control, including rmware
upgrades.
5. RCA Audio Ports
The red port is for the right audio channel,
and the white port is for the left audio
channel.
6. Digital Audio Ports
Connect the optical and coaxial audio
cables to these ports.
7. HDMI Out (port 2)
Connect an HDMI display or projector
8. HDMI Out
(port 1)
Connect to HDMI display or projector
(ARC In)
The ARC audio can be transmitted
back (to audio receivers) through this
connectivity
9. HDMI In
HDMI source devices can plug into any of
four available ports.
6
IR Remote Control
2
1
5
6
7
1. Up / Down / Left / Right Buttons
Press the Up / Down / Left / Right button
to cycle through the OSD menu/selection.
2. OK
Press to conrm the selection on the OSD
screen.
3. On
Press to power on the GHSW8242.
4. Off
Press this to power off the GHSW8242.
5. Port Selection Buttons1~4
Press to select content from the desired
port
3
4
9
8
6. Menu
Press to enable / disable the OSD menu.
7. Info Button
Press to display information about the
source device on the upper left side of
the screen. The information can include:
Source port number; Source port number
+ Source Type; or turned off.
8. ARC
Press to Enable / Disable ARC function.
See ARC Commands, page 11.
9. HDMI Mute
Press to Enable / Disable audio for the
output HDMI port. See Mute Commands,
page 13.
7
Installation
Installation of the GHSW8242 is simply a matter of plugging in the appropriate cables.
To install the switch, refer to the installation diagram below as you perform the following steps:
3
4
5
1. Use an HDMI cable to connect the HDMI
video display to the HDMI output port on
the rear of the GHSW8242.
2. Use HDMI cables to connect the HDMI
source device(s) to the HDMI input ports
on the GHSW8242.
3. Plug the provided power adapter into an
appropriate AC power source; plug the
power adapter cable into the Power Jack
on the GHSW8242.
or
1
4. Connect your audio devices (such as
speakers or AVRs) to the Stereo Audio
Ports or Digital Audio Ports.
5. (Optional) To edit the GHSW8242
system settings through the RS-232
port, connect the hardware / software
controller or PC here.
This completes the basic installation of the
GHSW8242. You may now power on the
display and source devices.
2
Installing the RS-232 Controller
In order to use the RS-232 serial interface to attach a high-end controller (such as a PC)
to the GHSW8242, use a serial cable such as a modem cable. The end connecting to the
GHSW8242 should have a 9-pin male connector. Connect this to the serial interface on the
rear of the GHSW8242. To connect RS-232 via the USB ports on a computer, use a USBto-serial cable by IOGEAR (Part No. GUC232A, sold seperately). Refer to number 5 on the
previous diagram.
Note: To congure the controller serial port, see page 12.
8
Operation
The GHSW8242 offers easy and exible source device selection from the front panel buttons,
the supplied remote control, or through the RS-232 serial interface.
Note:
1. When the GHSW8242 is powered on and there is no video input source connected, it
automatically selects Port 1 as the active port (i.e., the Port 1 LED lights up). You may
choose one of the methods outlined below to select a different port as your active port.
2. The GHSW8242 takes about 10-20 seconds to boot up the system and apply the system
conguration when rst powered on.
Manual Selection
To select a source device, press the button that corresponds to the port to which it is
connected.
Note: The Port LED (green) light indicates which port is currently selected.
Remote Control Selection
To select a source device with the remote control, press the number button that corresponds
to the port to which it is connected.
See IR Remote Control, page 7 for more details.
Note: Aim the remote control unit at the IR receiver located on the front panel of the
GHSW8242. For optimum performance, make sure there is a clear line-of-sight between the
remote control unit and the IR receiver.
Power On Detection
The Power On Detection feature enables the GHSW8242 to do the following:
• It automatically switches to the next port when the current active port is powered off.
• When the GHSW8242 is turned on, the least numbered port with a video input source
connected acts as the active port. To select another port, see Manual Selection above.
If you have manually selected an active port, and the video input source device is disconnected
(but not powered off), the GHSW8242 does not use any other powered on video input source
device.
Note:
1. Whenever the GHSW8242 is powered on and there is no video input source connected, it
automatically selects Port 1 as the active port (i.e., the Port 1 LED lights up).
2. Some video sources/devices may use a different Hot Plug Detect (HDP) implementation
that prevents the Power On Detection feature from working properly.
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