kramer SWT3-41-U-T USB Switcher Transmitter User Guide

: June 1, 2024
: Kramer

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- References
Read User Manual Online (PDF format)
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kramer SWT3-41-U-T USB Switcher Transmitter User Guide

This guide helps you install and use your SWT3-41-U -T for the first time.
Go to www.kramerav.com/downloads/SWT3-41-U-T to download the latest user manual and check if firmware upgrades are available.

Step 1: Check what’s in the box

SWT3-41-U-T 4×1 USB Switcher
1 Power adapter and cord
1 Bracket set
4 Rubber feet
1 Quick start guide
1 Multi-signal USB-C cable (1m)

Step 2: Get to know your SWT3-41-U-T

#| Feature| Function|
---|---|---|---
1| USB DEVICE USB A 3.1 Ports| Connect to the USB local peripheral devices (for example, a USB camera, a soundbar, microphone and so on).
2| HOST on USB-C 3.1 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 and connect to the LAN. For Host 1 only : Charges the connected host (that supports USB Power Delivery 2.0) up to 60W when the device is powered via the optional 12V DC power adapter. While charging, the charging icon (to the right of the connector) becomes visible and lights orange.
3| HOST SELECT Buttons (1 to 4)| Press to select a host.
4| A+B CAT LED| LED Status| Indicates
Lights green| When dual CAT combined signals are sent over the A+B port.
When using CAT splitter, make sure the Dual CAT extension is set to active via SWT3-41-U-T embedded webpages. Refer to SWT3-41-U-T User Manual.
5| NET LED| LED Status| Indicates
Dark| No IP address acquired.
Lights green| A valid IP address has been acquired.
Flashes green for 60s| A means to identify the device in a system, using command #IDV.
Flashes red/green| IP fallback address has been acquired.
6| STATUS LED| LED Status| Indicates
Dark| Power is off
lights white| PSU-powered on (only).
This is applicable when power supply is PoE mode.
Lights yellow| PoE-powered on.

#| Feature| Function|
---|---|---|---
| | Lights green| Power is on and a source is connected.
Lights blue| Power is on, and a source and an acceptor are connected.

Dimension Instruction

#	Feature		Function
7	HOST USB B 3.1 Connectors (3 to 4)	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.
8| USB CAT OUTPoC ◄►| A / A+B| Connect to a compatible CAT receiver (for example an EXT3-UE-R) or a compatible CAT splitter (for example an ACC3-12-SP).
9| B| Connect to a compatible CAT receiver (for example an EXT3-UE-R).
10| USB DEVICE| USB-A 3.1 Ports (2to 3)| Connect to the USB local devices (for example, a USB camera, a soundbar, microphone and so on).
11| USB-C 3.1 Port (4)| Connect to the USB local devices (for example, a USB camera, a soundbar, microphone and so on).Note that this port does not provide Power delivery 2.0.
12| I/O 2-pin Terminal Block (S1, S2, G)| Connect to:· Input- triggering devices (for example, remote buttons or sensors), OR · Output-triggered devices (for example, remote alarm LED indication).These GPIO ports may be configured as a digital input, digital output, or analog input ports.
13| RS-232 3-pin Terminal Block Connector(G, Rx, Tx)| Connect to:· RS-232 controlled device (for example, a PTZ USB camera) for its remote IP control by a controller (for example, an SL-240C), OR · RS-232 control port of a controller (for example, an SL-240C) for extension via a CAT port, OR · PC RS-232 port for controlling the device.
14| LAN PoE◄ RJ-45 Connector| Connect to LAN. The device accepts power from the LAN port (PoE).A LAN-enabled connection on the selected USB-C port is LAN- switched via this LAN port.
15| 12/20V DC Power Connector| Use the included +20V 6A power supply for powering the unit and charging the source device connected to the USB-C port, orFor powering the unit, without USB-C charging support, use PoE powering or an optional +12V DC 5A power adapter (purchased separately).
For HW Rev 02 and higher, 20V PSU (power supply unit) is included (replacing the 12V PSU).
16| RESET Recessed Button| For restoring factory default settings, press the RESET button and connect power to device (keep pressing longer than 6sec after power connection)
17| AUDIO IN 5-pin Terminal Block Connector| Connect to a balanced, stereo audio source (for example, from the server) for extension via the CAT ports.

Step 3: Mount SWT3-41-U-T

Install SWT3-41-U-T using one of the following methods:

Mount device with its recommended mounting accessory to the underside of the table and secure.
Mount the unit in a rack using the recommended rack adapter (see www.kramerav.com/downloads/SWT3-31-HU
Attach the rubber feet and place the unit on a flat surface.
Ensure that the environment (e.g., maximum ambient temperature & air flow) is compatible for the device.
Avoid uneven mechanical loading.
Appropriate consideration of equipment nameplate ratings should be used for avoiding overloading of the circuits.
Reliable earthing of rack-mounted equipment should be maintained.
Maximum mounting height for the device is 2 meters.

Step 4: Connect inputs and outputs

Always switch OFF the power on each device before connecting it to your SWT3-41-U-T.
Only 9600 baud rate is supported for RS-232 communication over the CAT cables
Dimension Instruction

To achieve specified extension distances, use the recommended Kramer cables available at www.kramerav.com/product/SWT3-41-U-T. Using third-party cables may cause damage!

Step 5: Connect power

Power the device via the LAN port. If required, such as to enable the USB-C port to charge its connected devices, connect
the supplied power adapter to SWT3-41-U-T and plug it into the mains electricity.
Safety Instructions (See www.kramerav.com for updated safety information)

Caution:

For products with relay terminals and GPI\O ports, please refer to the permitted rating for an external connection, located next to the terminal or in the User Manual.
There are no operator serviceable parts inside the unit.

Warning:

Use only the power cord that is supplied with the unit.
Disconnect the power and unplug the unit from the wall before installing. Safety Instructions (See www.kramerav.com for updated safety information)

Step 6: Operate SWT3-41-U-T

Operate SWT3-41-U-T via:

Front panel buttons.
Remotely, by IP or RS-232 serial commands transmitted by a touch screen system, PC, or other serial controller.
Device web pages via the IP client connection.

RS-232 Control / Protocol 3000

Power cycle·
Send command “#RESET”

Web Pages:| In the Settings page, click Factory Reset.

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Documents / Resources

| kramer SWT3-41-U-T USB Switcher Transmitter [pdf] User Guide
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