Kramer VS-48H User manual

Kramer Electronics, Ltd.
Preliminary
USER MANUAL
Model:
VS-48H
4x8 HDMI Matrix Switcher

Contents
i
Contents
1Introduction 1
2Getting Started 1
2.1 Quick Start 2
3Overview 3
3.1 Defining the EDID 3
3.2 About HDMI 4
3.3 About HDCP 4
3.4 Recommendations for Best Performance 5
4Defining the VS-48H 4x8 HDMI Matrix Switcher 5
4.1 Using the IR Transmitter 8
5Installing the VS-48H in a Rack 9
6Connecting the VS-48H 4x8 HDMI Matrix Switcher 10
7Operating the VS-48H 4x8 HDMI Matrix Switcher 11
7.1 Switching an Input to an Output 11
7.2 Acquiring the EDID 11
7.2.1 Acquiring the EDID from One Output 11
7.2.2 Acquiring the EDID from Several Outputs 12
7.2.3 Acquiring the Default EDID 12
7.3 Storing and Recalling a Switching Setting from a Preset 13
7.4 Resetting the VS-48H 4x8 HDMI Matrix Switcher’s IP Parameters 13
7.5 Connecting to the VS-48H 4x8 HDMI Matrix Switcher via RS-232 13
7.6 Connecting to the VS-48H 4x8 HDMI Matrix Switcher via Ethernet 14
7.6.1 Connecting the Ethernet Port directly to a PC 14
7.6.2 Connecting the Ethernet Port via a Network Hub 15
8Upgrading the Firmware 15
9Technical Specifications 16
10 Default EDID 16
11 Default Communication Parameters 19
12 Kramer Protocol 2000 20
Figures
Figure 1: VS-48H 4x8 HDMI Matrix Switcher Front Panel 6
Figure 2: VS-48H 4x8 HDMI Matrix Switcher Rear Panel 7
Figure 3: Connecting the VS-48H 4x8 HDMI Matrix Switcher 10
Figure 4: Local Area Connection Properties Window 14
Figure 5: Internet Protocol (TCP/IP) Properties Window 15

Contents
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Tables
Table 1: VS-48H 4x8 HDMI Matrix Switcher Front Panel Features 6
Table 2: VS-48H 4x8 HDMI Matrix Switcher Rear Panel Features 7
Table 3: Technical Specifications of the VS-48H 4x8 HDMI Matrix Switcher 16
Table 4: Default Communication Parameters 19
Table 5: Protocol Definitions 20
Table 6: Instruction Codes for Protocol 2000 21

Introduction
1
1 Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast
range of problems that confront the video, audio, presentation and
broadcasting professional on a daily basis. In recent years we have
redesigned and upgraded most of our line, making the best even better! Our
1,000-plus different models now appear in 11 groups1
Congratulations on purchasing your Kramer VS-48H 4x8 HDMI Matrix
Switcher.
that are clearly
defined by function.
The VS-48H is ideal for conference room presentations and advertising
applications as well as for rental and staging.
Each package includes the following items:
•VS-48H 4x8 HDMI Matrix Switcher
•Power cord
•Windows®-based Kramer control software2
•Windows®-based Ethernet Configuration Manager and Virtual Serial
Port Manager
•Kramer RC-IR3Infrared Remote Control Transmitter (including the
required batteries and a separate user manual3)
•This user manual3
2 Getting Started
We recommend that you:
•Unpack the equipment carefully and save the original box and
packaging materials for possible future shipment
•Review the contents of this user manual
•Use Kramer high performance high resolution cables4
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems;
GROUP 4: Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products;
GROUP 7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity;
GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Products
2 Downloadable from http://www.kramerelectronics.com
3 Download up-to-date Kramer user manuals from http://www.kramerelectronics.com
4 The complete list of Kramer cables is available from http://www.kramerelectronics.com

Getting Started
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2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.

Overview
3
3 Overview
The VS-48H is a high quality 4 x 8 matrix switcher for HDMI signals that
fits into one vertical space of a standard 19” professional rack enclosure.
In particular, the VS-48H features:
•Up to 2.25Gbps bandwidth per graphic channel1
•Support for HDCP (High Definition Digital Content Protection)
•HDMI Support – HDMI (V1.4 with 3D, Deep Color, x.v.Color™,
Lip Sync)
•3D Pass-Through
•I-EDIDPro™ Kramer Intelligent EDID Processing™ – Intelligent
EDID handling & processing algorithm ensures Plug and Play
operation for HDMI systems
•Kramer reKlocking™ & Equalization Technology that rebuilds the
digital signal to travel longer distances
•A LOCK button to prevent unwanted tampering with the buttons on
the front panel
•Preset memory locations for quick access to common configurations
You can control the VS-48H using the front panel buttons, or remotely via:
•RS-232 serial commands transmitted by a PC, touch screen system or
other serial controller
•The Kramer infrared remote control transmitter
•A PC connected to the Ethernet port on the device via a LAN
3.1 Defining the EDID
The Extended Display Identification Data (EDID2
7.2
) is a data-structure
provided by a display to describe its capabilities to an HDMI source. The
EDID enables the VS-48H to “know” what kind of monitor is connected to
the output. The EDID includes the manufacturer’s name, the product type,
the timing data supported by the display, the display size, luminance data
and (for digital displays only) the pixel mapping data. See Section for
details of how to acquire the EDID.
1 Suitable for resolutions up to UXGA at 60Hz, and for all HD resolutions
2 Defined by a standard published by the Video Electronics Standards Association (VESA)

Overview
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3.2 About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed
all-digital1
In particular, HDMI:
audio/video interface, widely supported in the entertainment and
home cinema industry. It delivers the highest high-definition image and
sound quality. Note that Kramer Electronics Limited is an HDMI Adopter
and an HDCP Licensee.
•Provides a simple2interface between any audio/video source, such as
a set-top box, DVD player, or A/V receiver and video monitor, such
as a digital flat LCD / plasma television (DTV), over a single
lengthy3
•Supports standard, enhanced, high-definition video, and multi-
channel digital audio
cable
4
•Transmits all ATSC HDTV standards and supports 8-channel digital
audio, with bandwidth to spare to accommodate future enhancements
and requirements
on a single cable
•Benefits consumers by providing superior, uncompressed digital
video quality via a single cable5
•Is backward-compatible with DVI (Digital Visual Interface)
, and user-friendly connector
•Supports CEC, two-way communication between the video source
(such as a DVD player) and the digital television, enabling new
functionality such as automatic configuration and one-button play
HDMI has the capacity to support existing high-definition video formats
(720p, 1080i, and 1080p, 2K and 4K), standard definition formats such as
NTSC or PAL, as well as 480p and 576.
3.3 About HDCP
The High-Bandwidth Digital Content Protection (HDCP) standard6
1 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digital-
to-analog conversions
protects
digital video and audio signals transmitted over DVI or HDMI connections
between two HDCP-enabled devices to eliminate the reproduction of
2 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables
currently used in A/V systems is reduced
3 HDMI technology has been designed to use standard copper cable construction at up to 15m
4 HDMI supports multiple audio formats, from standard stereo to multi-channel surround-sound. HDMI has the capacity to
support Dolby 5.1 audio and high-resolution audio formats
5 HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a
simple, cost-effective manner
6 Developed by Intel

Defining the VS-48H 4x8 HDMI Matrix Switcher
5
copyrighted material. To protect copyright holders (such as movie studios)
from having their programs copied and shared, the HDCP standard provides
for the secure and encrypted transmission of digital signals.
3.4 Recommendations for Best Performance
To achieve the best performance:
•Use only good quality connection cables1
•Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your Kramer VS-48H
away from moisture, excessive sunlight and dust
to avoid interference,
deterioration in signal quality due to poor matching, and elevated
noise levels (often associated with low quality cables).
4 Defining the VS-48H 4x8 HDMI Matrix Switcher
Figure 1 and Table 1 define the VS-48H.
1 Available from Kramer Electronics on our Web site at http://www.kramerelectronics.com

Defining the VS-48H 4x8 HDMI Matrix Switcher
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Figure 1: VS-48H 4x8 HDMI Matrix Switcher Front Panel
Table 1: VS-48H 4x8 HDMI Matrix Switcher Front Panel Features
#
Feature
Function
1 IR LED Lights yellow when receiving signals from the infrared remote control transmitter
2 IR Receiver Signal receiver for the Infrared remote control transmitter
3 POWER LED Lights when the device is turned on
4 ALL Button Press followed by an input button to connect the selected input to all outputs1
5 OFF Button Press after pressing an output button to disconnect the selected output from the inputs.
To disconnect all the outputs, press ALL followed by OFF
6 STO Button Press to store the current switching setting to a preset (see Section 7.3)
7 RCL Button Press to recall the current switching setting from a preset (see Section 7.3)
8 LOCK Button Press and hold to toggle the locking/release of the front panel buttons.
When storing or recalling presets, press to store or recall the preset (see Section 7.3)
9 EDID Button Press to capture the EDID (see Section 7.2)
10 SELECT Buttons2IN (1 to 4)
Press to select the input to switch after selecting an output
11 OUT (1 to 8) Press to select an output to switch followed by an input
12 INPUT 7-segment LED Display Displays the input currently switched to the output which is marked above each input
1 For example, press ALL and then Input button # 2 to connect input # 2 to all the outputs
2 These are also used for storing machine setups (see Section 7.3)

Defining the VS-48H 4x8 HDMI Matrix Switcher
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Figure 2: VS-48H 4x8 HDMI Matrix Switcher Rear Panel
Table 2: VS-48H 4x8 HDMI Matrix Switcher Rear Panel Features
#
Feature
Function
13 OUT HDMI Connectors(1 to 8)Connect to up to 8 HDMI acceptors
14 IN HDMI Connectors (1 to 4) Connect to up to 4 HDMI sources
15 RS-232 9-pin D-sub Serial Port
Connector
Connect to a PC/serial controller
16 ETHERNET RJ-45 Connector Connect to a PC via a LAN
17 ETH RESET Button Press to reset to the factory default IP parameters
1
18 REMOTE IR Opening
2
Connect to an external IR receiver for controlling the device via and IR remote controller (see
Section
4.1)
19 Mains Power Connector Connect to the mains power
20 Mains Power Fuse Fuse for protecting the device
21 Mains Power Switch Switch for turning the device on or off
1 First turn the VS-48H off and then turn it on again while pressing the ETH RESET button. The device will power up and load its memory with the factory default IP parameters
2 Covered by a cap. The 3.5mm jack at the end of the internal IR connection cable fits into this opening

Defining the VS-48H 4x8 HDMI Matrix Switcher
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4.1 Using the IR Transmitter
You can use the RC-IR3IR transmitter to control the device via the built-in
IR receiver on the front panel or, instead, via an optional external IR
receiver1. The external IR receiver can be located 15m (49ft) away from the
device. This distance can be extended to up to 60m (197ft) when used with
three extension cables2
Before using the external IR receiver, be sure to arrange for your Kramer
dealer to insert the internal IR connection cable19F
3with the 3.5mm jack that
fits into the REMOTE IR opening on the rear panel. Connect the external IR
receiver to the REMOTE IR 3.5mm jack.
1 Model: C-A35M/IRR-50
2 Model: C-A35M/A35F-50
3 P/N: 505-70434010-S

Installing the VS-48H in a Rack
9
5 Installing the VS-48H in a Rack
.
This section provides instructions for rack mounting the device.

Connecting the VS-48H 4x8 HDMI Matrix Switcher
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6 Connecting the VS-48H 4x8 HDMI Matrix Switcher
To connect1
Figure 3
the VS-48H 4x8 HDMI Matrix Switcher as illustrated in
the example in :
1. Connect up to four2
2. Connect the eight
HDMI sources (for example, DVD players) to the
IN HDMI connectors.
3
3. If required, connect a PC/controller to the RS-232 port (see
Section
OUT HDMI connectors to up to eight HDMI
acceptors (for example, LCD displays with built-in speakers).
7.4) and/or the Ethernet port (see Section 7.6).
4. Connect the device to the mains electricity (not shown in Figure 3).
5. If necessary, acquire the EDID (see Section 7.2)
Figure 3: Connecting the VS-48H 4x8 HDMI Matrix Switcher
1 Switch off the power on each device before connecting it to your VS-48H. After connecting your VS-48H, switch on its
power and then switch on the power on each device
2 You do not have to connect all the sources
3 You do not have to connect all the outputs

Operating the VS-48H 4x8 HDMI Matrix Switcher
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7 Operating the VS-48H 4x8 HDMI Matrix Switcher
This section describes:
•Switching an input to an output (see Section 7.1)
•Acquiring the EDID (see Section 7.2)
•Storing and recalling switch settings (see Section 7.3)
•Resetting the VS-48H (see Section 7.4)
•Connecting to the VS-48H via RS-232 (see Section 7.5)
•Connecting to the VS-48H via Ethernet (see Section 7.6)
7.1 Switching an Input to an Output
To switch an input to an output:
•Press an output button followed by an input button to switch the
selected input to the selected output
7.2 Acquiring the EDID
You can acquire the EDID from any of the following:
•One output to one or more of the four inputs (see Section 7.2.1)
•Several outputs and inputs simultaneously (see Section 7.2.2)
•The default EDID (see Section 7.2.3)
Note: Attempting to acquire the EDID from an output that does not have a
display device connected to it results in the default EDID being acquired.
7.2.1 Acquiring the EDID from One Output
Note: You can assign the EDID from one output to any or all of the four
inputs.
To acquire the EDID from a display device connected to one of the
outputs:
1. Press the EDID and STO buttons simultaneously and hold them for 3
seconds.
Both buttons flash.
2. Press the input button to which the EDID will be copied.
The selected input number flashes on the display.
3. Select the output from which the EDID is to be acquired.
4. Press the EDID button.
The EDID is stored when the display returns to normal and the EDID
and STO buttons stop flashing.

Operating the VS-48H 4x8 HDMI Matrix Switcher
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7.2.2 Acquiring the EDID from Several Outputs
To acquire the EDID from several outputs (for example, OUT 1 to IN 1
and OUT 6 to IN 3):
1. Connect the display devices to the outputs from which you want to
acquire the EDIDs.
2. Press the EDID and STO buttons simultaneously and hold them for 3
seconds.
Both buttons flash.
3. Press the input button to which the EDID will be copied (for example,
IN 1).
The selected input number flashes on the display.
4. Select the output from which the EDID will be acquired (for example,
OUT 1).
5. Press the IN 1 button.
The IN 1 button stops flashing.
6. Press the next input button to which the EDID will be copied (for
example, IN 3).
The selected input number flashes on the display.
7. Select the output from which the EDID will be acquired (for example,
OUT 6).
8. Press the IN 3 button.
The IN 3 button stops flashing.
9. Press the input buttons to which you want to copy the EDID (for
example, IN 1 and IN 3).
10. Make sure that the relevant input numbers flash on the display.
11. Press the EDID button.
The process is complete when the display returns to normal.
7.2.3 Acquiring the Default EDID
To store the default EDID on a selected input (for example, Input 2):
1. Press the EDID and STO buttons simultaneously and hold them for 3
seconds.
Both buttons flash.
2. Press the input (for example, Input 2) to which the EDID is to be
copied.
The selected input number flashes on the display.
3. Press the OFF button until "0" (zero) appears on the display.
4. Press the EDID button.
The default EDID is stored on the selected input when the display
returns to normal.

Operating the VS-48H 4x8 HDMI Matrix Switcher
13
7.3 Storing and Recalling a Switching Setting from a Preset
The STO and RCL buttons are used to store and recall up to 12 setups
which are assigned using the 8 output (preset 1 to 8) and 4 input (preset 9 to
12) buttons.
To store a preset1
1. Configure the switching as required for the preset (for example, Input 4
to Output 3).
(for example, Input 4/Output 3 in preset 10):
2. Press the STO button.
The STO button flashes.
3. Select an OUT or IN SELECT button to store the device setting (for
example, IN 2 for preset 10).
4. Press the LOCK button2
To recall a preset (for example, preset 10):
to store the current setup.
1. Press the RCL button.
The RCL button flashes.
2. Press the relevant OUT or IN button that stored the preset (for
example, IN 2/preset 10).
3. Press the LOCK button to recall the stored preset.
The RCL button stops flashing.
7.4 Resetting the VS-48H 4x8 HDMI Matrix Switcher’s IP Parameters
Note: This procedure resets only the IP related parameters. All switching
and preset values remain unchanged.
To reset the IP parameters to their default values (see Table 4):
•Press and hold the ETH Reset button on the rear panel while
powering up the device
7.5 Connecting to the VS-48H 4x8 HDMI Matrix Switcher via RS-232
You can connect to the VS-48H via an RS-232 connection using, for
example, a PC. Note that a null-modem adapter/connection is not required.
To connect to the product via RS-232:
•Connect the RS-232 9-pin D-sub on the rear panel of the VS-48H via
a 9-wire straight cable (only pin 2 to pin 2, pin 3 to pin 3, and pin 5 to pin
5 need to be connected) to the RS-232 9-pin D-sub port on your PC
1 You can set each of the inputs/outputs independently; you are not limited to a single input/output combination
2 You have to press the LOCK button within 10 seconds or the procedure automatically times out

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7.6 Connecting to the VS-48H 4x8 HDMI Matrix Switcher via
Ethernet
You can connect the VS-48H via the Ethernet, using a crossover cable (see
Section 7.6.1) for direct connection to the PC or a straight through cable
(see Section 7.6.2) for connection via a network hub or network router1
7.6.1 Connecting the Ethernet Port directly to a PC
.
You can connect the Ethernet port of the VS-48H to the Ethernet port on
your PC via a crossover cable with RJ-45 connectors.
This type of connection is recommended for identification of the factory default
IP Address of the VS-48H during the initial configuration
After connecting the Ethernet port, configure your PC as follows:
1. On your desktop, right-click the My Network Places icon.
2. Select Properties.
3. Right-click Local Area Connection Properties.
4. Select Properties.
The Local Area Connection Properties window appears.
5. Select the Internet Protocol (TCP/IP) and click the Properties Button
(see Figure 4).
Figure 4: Local Area Connection Properties Window
1 After connecting the Ethernet port, you have to install and configure your Ethernet Port. For detailed instructions, see the
“Ethernet Configuration (FC-11) guide.pdf” file in the technical support section at http://www.kramerelectronics.com

Upgrading the Firmware
15
6. Select Use the following IP Address, and fill in the details as shown in
Figure 5.
7. Click OK.
Figure 5: Internet Protocol (TCP/IP) Properties Window
7.6.2 Connecting the Ethernet Port via a Network Hub
You can connect the Ethernet port of the VS-48H to the Ethernet port on a
network hub or network router, via a straight through cable with RJ-45
connectors.
8 Upgrading the Firmware
For instructions on upgrading the firmware see “Upgrading the VS-48H
Firmware Using the STC Software”.

Technical Specifications
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9 Technical Specifications
The VS-48H technical specifications are shown in Table 3.
Table 3: Technical Specifications1
INPUTS:
of the VS-48H 4x8 HDMI Matrix Switcher
4 HDMI Connectors
OUTPUTS: 8 HDMI Connectors
BANDWIDTH: 2.25Gbps bandwidth per graphic channel
COMPLIANCE WITH
HDMI STANDARD:
HDMI and HDCP
RESOLUTION: Up to UXGA; 1080p
POWER SOURCE: 100−240V AC, 50/60Hz, 33VA
CONTROLS: Front panel buttons, infrared remote control transmitter, RS-232, Ethernet
DIMENSIONS: 19” x 10.9” x 1U (W, D, H)
WEIGHT: 2.1kg (4.6lbs) approx.
ACCESSORIES: Power cord, IR transmitter, rack ”ears”
OPTIONS: Kramer HDMI cables
2
10 Default EDID
, external remote IR receiver cable
Monitor
Model name............... VS-48H
Manufacturer............. KRM
Plug and Play ID......... KRM0200
Serial number............ 1
Manufacture date......... 2010, ISO week 24
-------------------------
EDID revision............ 1.3
Input signal type........ Digital (DVI)
Color bit depth.......... Undefined
Display type............. RGB color
Screen size.............. 700 x 390 mm (31.5 in)
Power management......... Not supported
Extension blocs.......... 1 (CEA-EXT)
-------------------------
DDC/CI................... Not supported
Color characteristics
Default color space...... Non-sRGB
Display gamma............ 2.20
Red chromaticity......... Rx 0.640 - Ry 0.341
Green chromaticity....... Gx 0.286 - Gy 0.610
Blue chromaticity........ Bx 0.146 - By 0.069
White point (default).... Wx 0.284 - Wy 0.293
Additional descriptors... None
1 Specifications are subject to change without notice
2 For best results, use Kramer cables such as the C-HM/HM series, the C-HM/DM series and/or our HDMI over fiber optics
C-FOHM/FOHM series

Default EDID
17
Timing characteristics
Horizontal scan range.... 31-94kHz
Vertical scan range...... 50-85Hz
Video bandwidth.......... 170MHz
CVT standard............. Not supported
GTF standard............. Not supported
Additional descriptors... None
Preferred timing......... Yes
Native/preferred timing.. 1280x720p at 60Hz
Modeline............... "1280x720" 74.250 1280 1390 1430 1650 720 725 730 746 +hsync -vsync
Detailed timing #1....... 1920x1080p at 60Hz (16:9)
Modeline............... "1920x1080" 148.500 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync
Standard timings supported
720 x 400p at 70Hz - IBM VGA
720 x 400p at 88Hz - IBM XGA2
640 x 480p at 60Hz - IBM VGA
640 x 480p at 67Hz - Apple Mac II
640 x 480p at 72Hz - VESA
640 x 480p at 75Hz - VESA
800 x 600p at 56Hz - VESA
800 x 600p at 60Hz - VESA
800 x 600p at 72Hz - VESA
800 x 600p at 75Hz - VESA
832 x 624p at 75Hz - Apple Mac II
1024 x 768i at 87Hz - IBM
1024 x 768p at 60Hz - VESA
1024 x 768p at 70Hz - VESA
1024 x 768p at 75Hz - VESA
1280 x 1024p at 75Hz - VESA
1152 x 870p at 75Hz - Apple Mac II
1280 x 720p at 60Hz - VESA STD
1280 x 800p at 60Hz - VESA STD
1440 x 900p at 60Hz - VESA STD
1280 x 960p at 60Hz - VESA STD
1280 x 1024p at 60Hz - VESA STD
1400 x 1050p at 60Hz - VESA STD
1680 x 1050p at 60Hz - VESA STD
1600 x 1200p at 60Hz - VESA STD
EIA/CEA-861 Information
Revision number.......... 3
IT underscan............. Not supported
Basic audio.............. Supported
YCbCr 4:4:4.............. Not supported
YCbCr 4:2:2.............. Not supported
Native formats........... 1
Detailed timing #1....... 720x480p at 60Hz (4:3)
Modeline............... "720x480" 27.000 720 736 798 858 480 489 495 525 -hsync -vsync
Detailed timing #2....... 1920x1080i at 60Hz (16:9)
Modeline............... "1920x1080" 74.250 1920 2008 2052 2200 1080 1084 1094 1124 interlace +hsync
+vsync
Detailed timing #3....... 1920x1080i at 50Hz (16:9)
Modeline............... "1920x1080" 74.250 1920 2448 2492 2640 1080 1084 1094 1124 interlace +hsync
+vsync
Detailed timing #4....... 1280x720p at 60Hz (16:9)
Modeline............... "1280x720" 74.250 1280 1390 1430 1650 720 725 730 750 +hsync +vsync