Kramer SWT3-41-U User Manual
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Kramer SWT3-41-U User Manual

4x1 usb switcher
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USER MANUAL
MODEL:
SWT3-41-U
4x1 USB Switcher
P/N: 2900-301686 Rev 1
www.kramerav.com

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  • Page 1 USER MANUAL MODEL: SWT3-41-U 4x1 USB Switcher P/N: 2900-301686 Rev 1 www.kramerav.com...

  • Page 2: Table Of Contents

    Kramer Electronics Ltd. Contents Introduction Getting Started Overview Typical Applications Defining SWT3-41-U 4x1 USB Switcher Mounting SWT3-41-U Connecting SWT3-41-U Connecting to SWT3-41-U via RS-232 Operating and Controlling SWT3-41-U Principles of Operation Using Front and Rear Panel Buttons Operating via Ethernet...

  • Page 3: Introduction

    Kramer Electronics Ltd. 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...

  • Page 4: Overview

    European Advanced Recycling Network (EARN) and will cover any costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular country go to our recycling pages at www.kramerav.com/il/quality/environment.

  • Page 5: Typical Applications

    RS−232 or I/O. Eliminating the need for an external control gateway, this feature reduces installation complexity and costs, to enable easy integration with control systems, such as Kramer Control. • Secured Connectivity — Standard IT–grade 802.1x authentication for secured IT LAN connectivity operation.

  • Page 6: Defining Swt3-41-U 4X1 Usb Switcher

    Kramer Electronics Ltd. Defining SWT3-41-U 4x1 USB Switcher This section defines SWT3-41-U. Figure 1: SWT3-41-U 4x1 USB Switcher Front Panel Feature Function HOST on USB-C ports (1 to 2) Connect to a USB-C host (for example, a room PC) to communicate with the USB devices (for example, a PTZ camera) that are connected to the USB device ports on the rear panel and connect to the LAN.
  • Page 7 Kramer Electronics Ltd. Figure 2: SWT3-41-U 4x1 USB Switcher Rear Panel Feature Function HOST USB B 3.1 Connectors (3 to Connect to a USB host (for example, a room PC) to communicate with the USB devices (for example, a PTZ camera) connected to USB device ports on this device and connect to the LAN.

  • Page 8: Mounting Swt3-41-U

    Kramer Electronics Ltd. Mounting SWT3-41-U This section provides instructions for mounting SWT3-41-U. Before installing, verify that the environment is within the recommended range: • Operation temperature – 0 to 40C (32 to 104F). • Storage temperature – -40 to +70C (-40 to +158F).

  • Page 9: Connecting Swt3-41-U

    Kramer Electronics Ltd. Connecting SWT3-41-U Always switch off the power to each device before connecting it to your SWT3-41-U. After connecting your SWT3-41-U, connect its power and then switch on the power to each device. Figure 3: Connecting to the SWT3-41-U Rear Panels...

  • Page 10: Connecting To Swt3-41-U Via Rs-232

    Kramer Electronics Ltd. Connecting to SWT3-41-U via RS-232 You can connect to SWT3-41-U via an RS-232 connection using, for example, a PC. SWT3-41-U features an RS-232 3-pin terminal block connector allowing the RS-232 to control SWT3-41-U. Connect the RS-232 terminal block on the rear panel of...

  • Page 11: Operating And Controlling Swt3-41-U

    Auto – Auto Switching selection is performed in either Last Connected or Priority policy. In Last Connected policy, if the signal on the current USB host is lost, SWT3-41-U automatically selects the last connected USB host. The auto-switching delay depends on the configurable signal-lost timeout.

  • Page 12: Using Front And Rear Panel Buttons

    IP address. After connecting SWT3-41-U to the Ethernet port, configure your PC as follows: 1. Click Start > Control Panel > Network and Sharing Center. 2. Click Change Adapter Settings. SWT3-41-U – Operating and Controlling SWT3-41-U...
  • Page 13 (TCP/IPv4) depending on the requirements of your IT system. 5. Click Properties. The Internet Protocol Properties window relevant to your IT system appears as shown in Figure 5 Figure Figure 5: Internet Protocol Version 4 Properties Window SWT3-41-U – Operating and Controlling SWT3-41-U...
  • Page 14 You can connect the Ethernet port of SWT3-41-U to the Ethernet port on a network hub or using a straight-through cable with RJ-45 connectors. Configuring Ethernet Port You can set the Ethernet parameters via the embedded Web pages. SWT3-41-U – Operating and Controlling SWT3-41-U...
  • Page 15 When no DHCP server is detected, a fallback static IP address of 192.168.1.39, and 255.255.255.0 subnet mask (class C), is assigned until an IP address is acquired via the DHCP server. For more information, refer to Product Page Technical Note in www.kramerav.com/product/SWT3-41-U. SWT3-41-U – Operating and Controlling SWT3-41-U...

  • Page 16: Using Embedded Web Pages

    Kramer Electronics Ltd. Using Embedded Web Pages SWT3-41-U enables you to configure settings via Ethernet using built-in, user-friendly web pages. The Web pages are accessed using a Web browser and an Ethernet connection. You can also configure SWT3-41-U via Protocol 3000 commands (see...
  • Page 17 Kramer Electronics Ltd. 2. Enter the Username (default = Admin) and Password (default = Admin) and click Sign in. The default web page appears. Figure 9: Default Landing Page SWT3-41-U – Using Embedded Web Pages...
  • Page 18 • Operations on page 17. • Settings on page 18. • Diagnostics on page 35. • Administration on page 36. • Viewing the About Page on page 41. SWT3-41-U – Using Embedded Web Pages...

  • Page 19: Operations

    1. Go to the Routing Settings tab. Figure 11: Routing Page 2. Perform the following functions: ▪ Click a Host/Devices cross-point. A green light button indicates a connected source. A host is routed to the devices. SWT3-41-U – Using Embedded Web Pages...

  • Page 20: Settings

    2. Next to the Selection Mode drop-down box, select the auto switching policy: Manual, Last Connected or Priority. USB auto-switching policy is set. To change USB Host Input Priorities: 1. Go to the Auto switching tab. 2. Next to the Selection Mode drop-down box, select Priority. SWT3-41-U – Using Embedded Web Pages...
  • Page 21 Device Profile and Maintenance on page 20. • Changing Device Name on page 20. • Upgrading Firmware on page 20. • Resetting and Restarting Device on page 21. • Identifying Your Device on page 22. SWT3-41-U – Using Embedded Web Pages...
  • Page 22 • During FW upgrade, the device continues to operate, but the device UI and protocol 3000 communication are inactive. When device restarts, the status LED is lit, and HDMI output signal is disconnected until restart completes. SWT3-41-U – Using Embedded Web Pages...
  • Page 23 1. Go to the Device > General page (Figure 13). 2. Under Global System Settings, click EXPORT. 3. Select the storage location on your computer to save the configuration file and click SAVE. The configuration file is exported and saved. SWT3-41-U – Using Embedded Web Pages...
  • Page 24 To identify the device using a supporting discovery system: 1. Go to the Device > General page (Figure 13). 2. Under Global System Settings, click FLAG ME. NET LED flashes. The device is identified by the discovery system. SWT3-41-U – Using Embedded Web Pages...
  • Page 25 4. When in Static IP mode, perform the following actions: ▪ Change the IP address. ▪ Change the Mask address. ▪ Change the Gateway address. ▪ Define UDP/TCP port numbers. Network settings are defined. SWT3-41-U – Using Embedded Web Pages...
  • Page 26 3. For each USB Device Port, set the auto disconnection status to On or Off. You can also Select All Off or All On to set all device ports to off or on, respectively. 4. Click SAVE. USB devices are set. SWT3-41-U – Using Embedded Web Pages...
  • Page 27 6. If enabled, type in server information: ▪ Enter the time server address. ▪ Set sync frequency (every 0 to 23 days). 7. Click SAVE for any change. The devices date and time are synchronized to the server address entered. SWT3-41-U – Using Embedded Web Pages...
  • Page 28 To set the RS-232 port to control the device: 1. Go to the Control Gateway page. The Serial Ports tab appears. Figure 18: RS-232 Device Control 2. Next to Tunneling, select Control. 3. Click SAVE. RS-232 port controls the SWT3-41-U. SWT3-41-U – Using Embedded Web Pages...
  • Page 29 1. Go to the Control Gateway page. The Serial Ports tab appears. 2. Next to Tunneling, select Gateway. Figure 19: RS-232 as Gateway 3. Define the external device RS-232 settings (Parity, Data Bits, Baud Rate and Stop Bits). 4. Click Save. SWT3-41-U – Using Embedded Web Pages...
  • Page 30 7. Click up/down arrows to select desired seconds for TCP Keep alive. 8. Press to toggle ON Send replies to new clients by default Bits. 9. Click CLOSE. 10. Click SAVE. RS-232 port controls an external device. SWT3-41-U – Using Embedded Web Pages...
  • Page 31 Configuring an Analog Input I/O Type on page 32) . ▪ The settings available on the page change depending on which trigger type is selected. ▪ 5. Click SAVE after setting the selected I/O type. SWT3-41-U – Using Embedded Web Pages...
  • Page 32 To configure a digital output I/O type: 1. On the GPIO page, select Digital Output next to I/O type. A warning message appears. Figure 22: Digital Output Warning 2. Make sure to follow the instructions in this warning. SWT3-41-U – Using Embedded Web Pages...
  • Page 33 When the pull-up resistor is disabled, the port state is low. For the state to be high, select High for the Current Status. Make sure that the current in this configuration does not exceed 100mA. 5. Click SAVE. Digital Output I/O type is configured. SWT3-41-U – Using Embedded Web Pages...
  • Page 34 This value is the number of steps that the analog input signal is divided into. To calculate the voltage of each step, use the following formula: Voltage of one step = 30V / number of steps. 3. Click SAVE. Analog input I/O type is configured. SWT3-41-U – Using Embedded Web Pages...
  • Page 35 6. Enter the appropriate command line (see example below) to have NET LED blink for 60 seconds: ▪ For RS232 - 1,#IDV 7. Click SAVE. 8. Click RUN COMMAND to run the command test. An action is entered and can be run. SWT3-41-U – Using Embedded Web Pages...
  • Page 36 Button default operation mode is latching. For momentary mode, check the Momentary checkbox. Figure 26: I/O ports settings tab – Configuring Remote Buttons 5. Click SAVE. A control actions remote button can now be remotely operated. SWT3-41-U – Using Embedded Web Pages...

  • Page 37: Diagnostics

    To view the device status: 1. In the navigation pane, select Status. 2. Select the Devices tab. The Devices Status appears. Figure 27: Device Status Page 3. View device status. Device status can be viewed. SWT3-41-U – Using Embedded Web Pages...

  • Page 38: Administration

    Setting Security Status to Off To set security status to Off: 1. Go to the Security page (Figure 28). 2. Select the Security tab. The Security settings appears. Figure 28: Security – Security Tab SWT3-41-U – Using Embedded Web Pages...
  • Page 39 3. Enter the Current Password and click Change. The new password settings appear. Figure 30: Device Settings – Changing the Password 4. Enter the new password and confirmation password and click SAVE. The password is changed. SWT3-41-U – Using Embedded Web Pages...
  • Page 40 4. When set to ON check one standard authentication method to set its security attributes. ▪ PEAP-MSCHAP V2 (Figure 32) – Enter:  Username - up to 24 alphanumeric characters, including “_” and “-“ characters within the username, and  Password - up to 24 ASCII characters SWT3-41-U – Using Embedded Web Pages...
  • Page 41 EAP-TLS (Figure 34) – To submit certificate from the server for authentication: ▪ Enter Username, ▪ Click to upload the certificates and keys, ▪ Enter the private key password (assigned by IT administrator), ▪ Set Server Certificate On SWT3-41-U – Using Embedded Web Pages...
  • Page 42 Kramer Electronics Ltd. Figure 35: EAP-TLS – Certificates and Password 5. Click APPLY. 802.1x authentication security is configured. SWT3-41-U – Using Embedded Web Pages...

  • Page 43: Viewing The About Page

    Kramer Electronics Ltd. Viewing the About Page View the firmware version and Kramer Electronics Ltd details in the About page. Figure 36: About Page SWT3-41-U – Using Embedded Web Pages...

  • Page 44: Upgrading Firmware

    The latest version of K-UPLOAD and installation instructions can be downloaded from our website at: www.kramerav.com/support/product_downloads.asp. Note that in order to use the micro USB port, you need to install the Kramer USB driver, available at: www.kramerav.com/support/product_downloads.asp. SWT3-41-U – Upgrading Firmware...

  • Page 45: Technical Specifications

    (13.82" x 8.35" x 2.8") Net Weight 0.95 kg (2.1lbs) Shipping Weight 1.45 kg (3.2lbs) approx. Accessories Included Power adapter and cord Product Warranty 84 months Period Specifications are subject to change without notice at www.kramerav.com SWT3-41-U – Technical Specifications...

  • Page 46: Default Communication Parameters

    To reset the IP settings to the factory reset values go to: Menu->Setup -> Factory Reset-> press Enter to confirm Fallback IP Address: 192.168.1.39 Fallback Subnet mask: 255.255.255.0 Fallback gateway: 192.168.0.1 Default username: Admin Default password: Admin Full Factory Reset Send FACTORY command then RESET Embedded webpages Go to: Device>General and click FACTORY RESET SWT3-41-U – Technical Specifications...

  • Page 47: Protocol 3000

    Kramer Electronics Ltd. Protocol 3000 Kramer devices can be operated using Kramer Protocol 3000 commands sent via serial or Ethernet ports. Understanding Protocol 3000 Protocol 3000 commands are a sequence of ASCII letters, structured according to the following. • Command format:...

  • Page 48: Protocol 3000 Commands

    0 – COM port does not send replies to new clients 1 – COM port sends replies to new clients. – Send an empty string to ping_val TCP client every 0 to 3600 seconds. 0 - 3600 SWT3-41-U – Protocol 3000...
  • Page 49 #FACTORY<CR> FEEDBACK This command ~nn@FACTORYok<CR><LF> deletes all user data from the device. The deletion can take some time. Your device may require powering off and powering on for the changes to take effect. SWT3-41-U – Protocol 3000...
  • Page 50 COMMAND Set GPIO 2 to a low level of levels. 800mV and a high level of #GPIO-THRgpio_id,low_level,high_level<CR> – Voltage 500 to 28000 low_level 2200mV: FEEDBACK #GPIO- millivolts ~nn@GPIO-THRgpio_id,low_level,high_level<CR><LF> – Voltage 2000 to 30000 THR2,800,2200<CR> high_level millivolts SWT3-41-U – Protocol 3000...
  • Page 51 – the number of last last_event LOG-TAIL? Get the list of the N COMMAND Get the protocol permission events to view <N = 1,2,3…> last events. level to Admin: #LOG-TAIL?last_event<CR> #LOG-TAIL?8<CR> FEEDBACK ~nn@LOG-TAILlast_event,ok,<list><CR><LF> SWT3-41-U – Protocol 3000...
  • Page 52 #NAMEroom-442<CR> FEEDBACK The machine name ~nn@NAMEmachine_name<CR><LF> is not the same as the model name. The machine name is used to identify a specific machine or a network in use (with DNS feature on). SWT3-41-U – Protocol 3000...
  • Page 53 – Format: xxx.xxx.xxx.xxx NET-GATE? Get gateway IP. COMMAND Get the gateway IP address: A network gateway #NET-GATE?<CR> #NET-GATE?<CR> connects the device FEEDBACK via another network ~nn@NET-GATEip_address<CR><LF> and maybe over the Internet. Be aware of security problems. SWT3-41-U – Protocol 3000...
  • Page 54 #PRG- #PRG-ACTION?commandNum<CR> ACTION?0,3,1,0<CR> 1 – Output FEEDBACK Programs matrix type – External programmable button ~nn@PRG-ACTIONcommandNum,type,name,command<CR><LF> action as a response for external event name – Bitmap representing (programmable button – External programmable command pressed). button ID SWT3-41-U – Protocol 3000...
  • Page 55 Set the priority to first HDMI 1 – Video 2, USB-C 1 second and #PRIORITYlayer_type,priority_1,priority_2,priority_3 HDMI 3 third: <CR> – Priority of inputs (1-2) priority #PRIORITY1,2,1,3<CR> 1 – USB-C 1 FEEDBACK 2 – HDMI 2 ~nn@PRIORITYlayer_type,priority_1,priority_2,priorit 3 – HDMI 3 y_3<CR><LF> SWT3-41-U – Protocol 3000...
  • Page 56 The device does not data – Format: hh:mm:ss where validate the day of hh = hours week from the date. mm = minutes ss = seconds Time format - 24 hours. Date format - Day, Month, Year. SWT3-41-U – Protocol 3000...
  • Page 57 Stop_bits 1.5 is only serial_type – 232/485 relevant for 5 0 – 232 data_bits. 1 – 485 – 485 termination state 485_term 0 – disable 1 – enable (optional - this exists only when serial_type is 485) SWT3-41-U – Protocol 3000...

  • Page 58: Result And Error Codes

    In case of an error, the device responds with an error message. The error message syntax: • ~NN@ERR XXX<CR><LF> – when general error, no specific command • ~NN@CMD ERR XXX<CR><LF> – for specific command • NN – machine number of device, default = 01 • XXX – error code SWT3-41-U – Protocol 3000...
  • Page 59 (Reserved) ERR_RESERVED_8 (Reserved) ERR_RESERVED_9 (Reserved) ERR_RESERVED_10 (Reserved) ERR_RESERVED_11 (Reserved) ERR_RESERVED_12 (Reserved) ERR_EDID_CORRUPTED EDID corrupted ERR_NON_LISTED Device specific errors File has the same CRC – not changed ERR_SAME_CRC ERR_WRONG_MODE Wrong operation mode ERR_NOT_CONFIGURED Device/chip was not initialized SWT3-41-U – Protocol 3000...
  • Page 60 This limited warranty gives you specific legal rights, and you may have other rights which vary from country to country or state to state. This limited warranty is void if (i) the label bearing the serial number of this product has been removed or defaced, (ii) the product is not distributed by Kramer Electronics or (iii) this product is not purchased from an authorized Kramer Electronics reseller.
  • Page 61 SAFETY WARNING Disconnect the unit from the power supply before opening and servicing For the latest information on our products and a list of Kramer distributors, visit our website where updates to this user manual may be found. We welcome your questions, comments, and feedback.

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