Kramer VS-3232DN User Manual

32x32 digital matrix switcher
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K R A ME R E LE CT R O N IC S L T D .
USER MANUAL
MODEL:
VS-3232DN
32x32 Digital Matrix Switcher
P/N: 2900-300164 Rev 3

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Summary of Contents for Kramer VS-3232DN

  • Page 1 K R A ME R E LE CT R O N IC S L T D . USER MANUAL MODEL: VS-3232DN 32x32 Digital Matrix Switcher P/N: 2900-300164 Rev 3...
  • Page 3: Table Of Contents

    Getting Started Achieving the Best Performance Overview Defining EDID About the Power Connect™ Feature Defining the VS-3232DN 32x32 Digital Matrix Switcher Installing in a Rack Connecting the VS-3232DN Port Numbering Serial Data on DGKat Plus RS-232 Cards Connecting to the VS-3232DN via RS-232...
  • Page 4 Figures Figure 1: VS-3232DN Front Panel Numeric Keypad Figure 2: VS-3232DN 32x32 Digital Matrix Switcher Front Panel Figure 3: VS-3232DN 32x32 Digital Matrix Switcher Rear Panel Figure 4: Connecting the VS-3232DN 32x32 Digital Matrix Switcher Figure 5: Sample Port Numbering...
  • Page 5: Introduction

    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 video, audio, presentation, and broadcasting professionals on a daily basis. In recent years, we have redesigned and upgraded most of our...
  • Page 6: Getting Started

    Do not secure the cables in tight bundles or roll the slack into tight coils • Avoid interference from neighboring electrical appliances that may adversely influence signal quality • Position your Kramer VS-3232DN away from moisture, excessive sunlight and dust VS-3232DN - Getting Started...
  • Page 7: Overview

    Specifications in Section 13 The VS-3232DN is highly configurable–you can add or remove inputs and outputs independently in groups of four and mix different types of input/ouput cards in the same chassis up to 32 x 32. For example, you can configure a device as a 4 x 24 or a 32 x 8 matrix switcher to exactly suit your needs.
  • Page 8: Defining Edid

    • The infrared remote control transmitter The VS-3232DN is a sophisticated device but has been designed to be as simple as possible to operate. Due to space limitations on the front panel a keypad substitutes for 64 individual input/output selector buttons. For details of how to...
  • Page 9: Defining The Vs-3232Dn 32X32 Digital Matrix Switcher

    32) 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 Numeric keypad, 1 to 0 ► (Forward) Press to shift the sliding window to the left VS-3232DN - Defining the VS-3232DN 32x32 Digital Matrix Switcher...
  • Page 10: Figure 2: Vs-3232Dn 32X32 Digital Matrix Switcher Front Panel

    Figure 2: VS-3232DN 32x32 Digital Matrix Switcher Front Panel VS-3232DN - Defining the VS-3232DN 32x32 Digital Matrix Switcher...
  • Page 11 Section 7.6 Power Supply Supplies power to the device POWER LED Lights green when the device is powered on ERROR LED Lights red when there is a fault with the power supply VS-3232DN - Defining the VS-3232DN 32x32 Digital Matrix Switcher...
  • Page 12: Figure 3: Vs-3232Dn 32X32 Digital Matrix Switcher Rear Panel

    Figure 3: VS-3232DN 32x32 Digital Matrix Switcher Rear Panel VS-3232DN - Defining the VS-3232DN 32x32 Digital Matrix Switcher...
  • Page 13 Press the button repeatedly to change the video pattern generated by the Test module (see Section 10.3 Test Module Output Connect to one of the relevant video inputs to aid in troubleshooting (see Section 10.4) Connector VS-3232DN - Defining the VS-3232DN 32x32 Digital Matrix Switcher...
  • Page 14: Installing In A Rack

    Installing in a Rack This section provides instructions for rack mounting the unit. VS-3232DN - Installing in a Rack...
  • Page 15: Connecting The Vs-3232Dn

    Always switch off the power to all devices before connecting them to your VS-3232DN. After connecting your VS-3232DN, connect its power and then switch on the power to each device. Figure 4: Connecting the VS-3232DN 32x32 Digital Matrix Switcher VS-3232DN - Connecting the VS-3232DN...
  • Page 16: Port Numbering

    5. If necessary, review and set the system configuration using the Menu (see Section 8 Note: Given an input signal that is HDCP encoded, the VS-3232DN outputs a signal only if the output port supports HDCP, (for example, HDMI input and DVI with HDCP output).
  • Page 17: Figure 5: Sample Port Numbering

    OUT 5, OUT 6, OUT 7, OUT 8 IN 9, IN 10, IN 11, IN 12 OUT 9, OUT 10 Note: There is no IN 7, IN 8, OUT 11 or OUT 12 because these slots contain DVI dual link cards. VS-3232DN - Connecting the VS-3232DN...
  • Page 18: Serial Data On Dgkat Plus Rs-232 Cards

    Figure 6: DGKat Card Serial Data Transmission Connecting to the VS-3232DN via RS-232 You can connect to the VS-3232DN via an RS-232 connection using, for example, a PC. Note that a null-modem adapter/connection is not required. Note that some early devices require a null modem.
  • Page 19: Connecting To The Vs-3232Dn Via Ethernet

    6.4.1 Connecting the Ethernet Port directly to a PC You can connect the Ethernet port on the VS-3232DN 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...
  • Page 20: Figure 7: Local Area Connection Properties Window

    6. Select Use the following IP Address and enter the details as shown in Figure 8. You can use any IP address in the range 192.168.1.1 to 192.168.1.255 (excluding 192.168.1.39) that is provided by your IT department. Figure 8: Internet Protocol (TCP/IP) Properties Window VS-3232DN - Connecting the VS-3232DN...
  • Page 21 7. Click OK. 6.4.2 Connecting to the Ethernet Port via a Network Switch/Hub To connect to the Ethernet port on the VS-3232DN via a network switch/hub: • Connect the PC to the Ethernet network switch/hub using a straight through cable...
  • Page 22: Operating Your Video Matrix Switcher

    The text in the LCD Display may vary (according to machine settings) Figure 9: Default Startup Status Display Sequence The front panel of the VS-3232DN includes a numeric keypad within the selector buttons area. This keypad lets you enter both the output and input numbers as well as various numeric configuration values (see Section 7.2...
  • Page 23: Using The Selector Buttons

    Using the Selector Buttons For numbers between 1 and 9, the VS-3232DN can handle two digit numbers as well as single digit numbers. When entering a single digit number (for example 5), you can either press 0 followed by 5, or 5 followed by ENT.
  • Page 24: Confirming Actions

    For example, if you enter an incorrect number by mistake, press the ESC button to cancel the operation. Note: At any stage, if no button is pressed within approximately 15 seconds, the automatic timeout causes the VS-3232DN to exit the operation and revert to the output/input display. Confirming Actions You can choose to work in the At Once (default) or the Confirm mode.
  • Page 25: Switching Actions

    This section describes how to: • Switch one input to one output (see Section 7.4.1 • Switch several inputs to several outputs (see Section 7.4.2 • Turn off several outputs (see Section 7.4.3 VS-3232DN - Operating Your Video Matrix Switcher...
  • Page 26 TAKE once (simultaneously switching several output-input combinations). To switch several inputs to several outputs in the Confirm mode: 1. Using the numeric keypad, enter an output-input combination. The TAKE button flashes. VS-3232DN - Operating Your Video Matrix Switcher...
  • Page 27 • Repeat the steps above and then press the flashing TAKE button to confirm the action Alternatively, you can perform a switching operation (see Section 7.4.1 ) and set the input to 00. VS-3232DN - Operating Your Video Matrix Switcher...
  • Page 28: Locking The Front Panel Buttons

    Locking the Front Panel Buttons You can lock the VS-3232DN to prevent tampering with the unit or prevent the settings from being changed accidentally via the front panel buttons. You can still remotely operate via RS-232 or Ethernet even when the front panel is locked...
  • Page 29: Redundant Power Supplies

    The front panel buttons are unlocked Redundant Power Supplies The VS-3232DN supports dual, redundant power supplies. The VS-3232DN can continue to operate with only one working power supply in the event of a problem with one of the power supplies. The chassis must be powered down to replace a power supply.
  • Page 30: Using The Configuration Menus

    Using the Configuration Menus The configuration menus let you configure the VS-3232DN to best suit your needs. There are two configuration menus: • Setup Menu—those that are accessed on a regular basis (for example, storing setups and setting the delay), see Section 8.1...
  • Page 31 2. Press 3 (OFF) on the numeric keypad (see Figure The following is displayed: out__ => OFF 3. Using the numeric keys, enter the output to be turned off. The TAKE button flashes. 4. Press TAKE. The selected output is turned off. VS-3232DN - Using the Configuration Menus...
  • Page 32 More than eight EDID assignments must be assigned in separate batches of eight. Each input on the VS-3232DN has a factory default EDID loaded (see Section 15 The EDID for each input can be changed independently via the menu (described below).
  • Page 33 0 and 3 seconds (15 x 200ms = 3 seconds). To set the execution delay for an output: 1. Press MENU. The Setup Menu options are displayed. 2. Press 9 (DELAY) on the numeric keypad (see Figure The output/delay times display is shown. VS-3232DN - Using the Configuration Menus...
  • Page 34 After a few seconds, if the preset is not empty, the following is displayed: SETUP NOT EMPTY CONFIRM The TAKE button flashes. 4. Press TAKE. The setup is stored in the selected preset for subsequent recall. The display reverts to the output/input display. VS-3232DN - Using the Configuration Menus...
  • Page 35: Using The Config Menu

    Input port parameter setting (see Section 8.2.2 • Output load detection ( Section 8.2.3 • Output port parameter setting (see Section 8.2.4 • Interface configuration ( Section 8.2.5 • Interface Reply configuration ( Section 8.2.6) VS-3232DN - Using the Configuration Menus...
  • Page 36 A description of the current state is displayed for about one second. The unit automatically switches to the next item in the menu. 8.2.1 Config Menu—Input Signal Detection Display This option displays a list of inputs and indicates on which of them signals have been detected. VS-3232DN - Using the Configuration Menus...
  • Page 37 2. Press MENU until a display similar to the following is shown: IN: 01 02 03 04 05 06 07 08 09 10 11 SET: X X X X 0 0 0 0 X X X VS-3232DN - Using the Configuration Menus...
  • Page 38 HDMI plus Analog Audio Input Card Parameter Options/Description Default 36.Reset Re-power: power cycles the port Re-power SubBoard Factory: performs a factory reset to default values of the port 81.Volume 0 to 100: sets the audio input volume VS-3232DN - Using the Configuration Menus...
  • Page 39 OUT: 01 02 03 04 05 06 07 08 09 10 11 LOAD: Y X Y Y Y Y X Y Y Y X Y indicates that a load is attached and X indicates that no load is detected on the relevant output. VS-3232DN - Using the Configuration Menus...
  • Page 40 4. Select the required port to modify using the left and right arrow buttons. 5. Press TAKE to enter the parameters list. A message similar to the following is displayed with the relevant port number in place of 06: OUT: 06 SET: 36.Reset SubBoard VS-3232DN - Using the Configuration Menus...
  • Page 41 3.mm mini jack analog audio output Open: Audio channels are not modified 151.BLINK ON 1: No video glitch when the audio is connected or AUDIO disconnected 0: There is a video glitch when the audio is connected or disconnected VS-3232DN - Using the Configuration Menus...
  • Page 42 5. Press 1 to activate the interface or 2 to deactivate it. 6. Press TAKE to confirm the action. The interface status is changed. After a few seconds the next option on the Config Menu is displayed. VS-3232DN - Using the Configuration Menus...
  • Page 43 After a few seconds the next option on the Config Menu is displayed. 8.2.7 Config Menu—Protocol Configuration The VS-3232DN supports Kramer Protocol 2000 and Protocol 3000. To switch from Protocol 3000 (default) to Protocol 2000: 1. Press MENU twice. The following message is displayed:...
  • Page 44 1. Press MENU twice. The following message is displayed: start configuration menu MENU to view setup ENT to change them 2. Press MENU until the following is displayed: store DEFAULT setup press ENTER to store VS-3232DN - Using the Configuration Menus...
  • Page 45 4. Press 1 to turn off all outputs or 2 to perform a factory reset of all options. Selecting option 2 to perform a factory default reset Warning: clears all setups, options and configuration VS-3232DN - Using the Configuration Menus...
  • Page 46 2. Press MENU until the following is displayed: Main Firmware Version: Front Firmware Version: 3. Either press BREAKAWAY to exit the Config Menu or wait approximately 15 seconds for the operation to time out. VS-3232DN - Using the Configuration Menus...
  • Page 47: Configuring The Number Of Installed Input And Output Ports

    Output Ports After installing or removing a module you need to set the number of input and output ports so that the VS-3232DN recognizes the new configuration. Refer to Section 6.1 for an explanation of port numbering before setting the number of input and output ports.
  • Page 48: Installing And Using The Test Module To Troubleshoot Video Problems

    Installing and Using the Test Module to Troubleshoot Video Problems The VS-3232DN includes a test module which acts as a signal generator and can be used to diagnose video/audio issues in an operating environment. The test module must be installed in the configuration before it can be used. When installing the test module, the number of configured inputs and outputs must be increased by one.
  • Page 49: Setting The Resolution Of The Generated Video

    Available HD Resolutions for Generated Video (Jumper on, default) DIP-switch Position Resolution 480p 720p 1080i 1080p Figure 10 shows the Resolution DIP-switch with both switches off (up, default, 480p). Figure 10: Resolution DIP-switch VS-3232DN - Installing and Using the Test Module to Troubleshoot Video Problems...
  • Page 50: Setting The Pattern Of The Generated Video

    The test module is installed and configured (see Section 10.1 • 33 configured inputs and 33 configured outputs (see Section 9 Figure 11: Signal Paths for Isolating Problems VS-3232DN - Installing and Using the Test Module to Troubleshoot Video Problems...
  • Page 51 To test the input and output signal path to the projector: 1. Configure Input 33 to Output 33 (see Section 7.4 2. Connect Output 33 to Input 1. 3. Configure Input 1 to Output 1. VS-3232DN - Installing and Using the Test Module to Troubleshoot Video Problems...
  • Page 52 5. Set the generated video resolution (see Section 10.2 6. Set the pattern for the generated video (see Section 10.3 7. Verify that the projector output is as expected. VS-3232DN - Installing and Using the Test Module to Troubleshoot Video Problems...
  • Page 53: Hardware Installation Instructions

    11.1 I/O Card Installation The VS-3232DN I/O cards mount in one of the 16 slots on the rear of the VS-3232DN chassis. Slots are numbered from left to right and must be filled consecutively from left to right, without leaving empty slots.
  • Page 54: Figure 13: Card Handles

    To install an I/O card as shown in Figure 1. Power off the VS-3232DN and all devices connected to it. 2. Using a Phillips screwdriver, loosen the screws at the top and bottom of the blanking plate. 3. Remove the blanking plate from the slot and store it for possible future use.
  • Page 55: Power Supply Installation

    10. Power on the peripheral devices. 11.2 Power Supply Installation The VS-3232DN is supplied with a single power supply. You can install a second power supply to provide redundancy. Figure 14: Second Power Supply Installation To install a second power supply as shown in Figure Remove the new power supply from its shipping carton and anti-static bag.
  • Page 56 6. Press the power supply firmly until the front panel of the power supply is flush with the front panel of the VS-3232DN. 7. Tighten the four thumbscrews to secure the power supply in place. 8. Power on the chassis.
  • Page 57: Upgrading The Vs-3232Dn Firmware

    Upgrading the VS-3232DN Firmware Upgrading the firmware on the VS-3232DN can be done only by authorized service personnel. VS-3232DN - Upgrading the VS-3232DN Firmware...
  • Page 58: Technical Specifications

    For the DVI SC, Multi-mode glass fiber cables with SC connections must be used, such as the Kramer C-SC/SC/OM3. For DGKat plus RS-232, shielded TP pair cables with RJ-45 connections must be used, such as the Kramer BC-DGKat623 or BC-DGKat7a23. VS-3232DN - Technical Specifications...
  • Page 59: Default Communication Parameters

    Protocol 2000 Baud Rate 9600 Data Bits Stop Bits Parity None Command Format Example (To switch Output 1 to Input 1) 0x01, 0x81, 0x81, 0x81 Ethernet IP Address 192.168.1.39 TCP Port 5000 UDP Port 50000 VS-3232DN - Default Communication Parameters...
  • Page 60: Factory Default Edid

    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 VS-3232DN - Factory Default EDID...
  • Page 61: Dvi (Hdcp) Input Card

    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 VS-3232DN - Factory Default EDID...
  • Page 62: Hdmi Input Card

    CEC physical address..1.0.0.0 Maximum TMDS clock..165MHz Raw data 00,FF,FF,FF,FF,FF,FF,00,2E,4D,00,02,01,00,00,00,0C,10,01,03,81,46,27,78,0A,D5,7C,A3,57,49,9C,25, 11,48,4B,FF,FF,80,81,C0,81,00,95,00,81,40,81,80,90,40,B3,00,A9,40,01,1D,00,72,51,D0,1A,20,6E,28, 55,00,7E,88,42,00,00,1A,02,3A,80,18,71,38,2D,40,58,2C,45,00,C4,8E,21,00,00,1E,00,00,00,FC,00,56, 53,2D,33,32,48,44,43,50,0A,20,20,20,00,00,00,FD,00,32,55,1F,5E,11,00,0A,20,20,20,20,20,20,01,E3, 02,03,1A,71,47,11,13,05,14,84,10,1F,23,0A,06,04,83,05,00,00,65,03,0C,00,10,00,8C,0A,D0,8A,20,E0, 2D,10,10,3E,96,00,58,C2,21,00,00,18,01,1D,80,18,71,1C,16,20,58,2C,25,00,C4,8E,21,00,00,9E,01,1D, 80,D0,72,1C,16,20,10,2C,25,80,C4,8E,21,00,00,9E,01,1D,00,72,51,D0,1E,20,6E,28,55,00,C4,8E,21,00, 00,1E,01,1D,00,BC,52,D0,1E,20,B8,28,55,40,C4,8E,21,00,00,1E,00,00,00,00,00,00,00,00,00,00,00,90 15.3 HDMI Input Card Monitor Model name....VS-32H Manufacturer..... KRM Plug and Play ID..KRM0200 Serial number.... 1 VS-3232DN - Factory Default EDID...
  • Page 63 YCbCr 4:4:4....Supported YCbCr 4:2:2....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) VS-3232DN - Factory Default EDID...
  • Page 64: Dvi Dual Link Input Card

    Display type..... RGB color Screen size....700 x 390 mm (31.5 in) Power management..Not supported Extension blocs..None ------------------------- DDC/CI....n/a Color characteristics Default color space..Non-sRGB Display gamma.... 2.20 Red chromaticity..Rx 0.640 - Ry 0.341 VS-3232DN - Factory Default EDID...
  • Page 65 1920 x 1080i at 50Hz - HDTV (16:9, 1:1) 1280 x 720p at 60Hz - HDTV (16:9, 1:1) [Native] 1920 x 1080p at 60Hz - HDTV (16:9, 1:1) 1920 x 1080p at 50Hz - HDTV (16:9, 1:1) NB: NTSC refresh rate = (Hz*1000)/1001 VS-3232DN - Factory Default EDID...
  • Page 66: Dgkat Input Card

    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 VS-3232DN - Factory Default EDID...
  • Page 67 Front LFE....No Front center..... Yes Rear left/right..No Rear center....No Front left/right center.. No Rear left/right center... No Rear LFE....No CE vendor specific data (VSDB) IEEE registration number. 0x000C03 CEC physical address..1.0.0.0 VS-3232DN - Factory Default EDID...
  • Page 68: Fiber Optic F670 Input Card

    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 VS-3232DN - Factory Default EDID...
  • Page 69 Front left/right center.. No Rear left/right center... No Rear LFE....No CE vendor specific data (VSDB) IEEE registration number. 0x000C03 CEC physical address..1.0.0.0 Maximum TMDS clock..165MHz Raw data 00,FF,FF,FF,FF,FF,FF,00,2E,4D,00,02,01,00,00,00,0C,10,01,03,81,46,27,78,0A,D5,7C,A3,57,49,9C,25, 11,48,4B,FF,FF,80,81,C0,81,00,95,00,81,40,81,80,90,40,B3,00,A9,40,01,1D,00,72,51,D0,1A,20,6E,28, 55,00,7E,88,42,00,00,1A,02,3A,80,18,71,38,2D,40,58,2C,45,00,C4,8E,21,00,00,1E,00,00,00,FC,00,56, 53,2D,33,32,68,4F,6D,72,6F,6E,0A,20,00,00,00,FD,00,32,55,1F,5E,11,00,0A,20,20,20,20,20,20,01,CF, 02,03,1A,71,47,11,13,05,14,84,10,1F,23,0A,06,04,83,05,00,00,65,03,0C,00,10,00,8C,0A,D0,8A,20,E0, 2D,10,10,3E,96,00,58,C2,21,00,00,18,01,1D,80,18,71,1C,16,20,58,2C,25,00,C4,8E,21,00,00,9E,01,1D, 80,D0,72,1C,16,20,10,2C,25,80,C4,8E,21,00,00,9E,01,1D,00,72,51,D0,1E,20,6E,28,55,00,C4,8E,21,00, 00,1E,01,1D,00,BC,52,D0,1E,20,B8,28,55,40,C4,8E,21,00,00,1E,00,00,00,00,00,00,00,00,00,00,00,90 VS-3232DN - Factory Default EDID...
  • Page 70: Communication Protocols

    Communication Protocols 16.1 Protocol 3000 The VS-3232DN can be operated using serial commands from a PC, remote controller or touch screen using the Kramer Protocol 3000. This section describes the: • Kramer Protocol 3000 syntax (see Section 16.1.1 • Kramer Protocol 3000 commands (see Section 16.1.8...
  • Page 71 CRLF – For device messages; carriage return (ASCII 13) + line-feed (ASCII 10) Command chain separator character When a message string contains more than one command, a pipe ( '|' ) character separates each command. Spaces between parameters or command terms are ignored. VS-3232DN - Communication Protocols...
  • Page 72 You can directly enter all commands using a terminal with ASCII communications software, such as HyperTerminal, Hercules, etc. Connect the terminal to the serial or Ethernet port on the Kramer device. To enter CR press the Enter key. ( LF is also sent but is ignored by command parser).
  • Page 73: Table Of Protocol 3000 Commands

    Read device serial number End User VERSION? Read device firmware version End User Switch Video only Switch VID? Get Video switch state Switch Note: Not every command listed by the Help command is relevant to every matrix configuration. VS-3232DN - Communication Protocols...
  • Page 74: Protocol 2000

    The following table lists the Protocol 2000 hex codes for switching inputs 1 to 32 to outputs 1 to 16. Full details are available on our Web site at http://www.kramerelectronics.com Hex Table (IN 1-32 to OUT 1-16) VS-3232DN - Communication Protocols...
  • Page 75 VS-3232DN - Communication Protocols...
  • Page 76 The following table lists the hex codes for switching inputs 1 to 32 to outputs 17 to Hex Table (IN 1-32 to OUT 17-32) VS-3232DN - Communication Protocols...
  • Page 77 VS-3232DN - Communication Protocols...
  • Page 78 VS-3232DN - Communication Protocols...
  • Page 80 For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found. We welcome your questions, comments, and feedback. Web site: www.kramerelectronics.com E-mail: info@kramerel.com SAFETY WARNING...

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