kramer SWT3-31-HU USB-C HDMI Switcher User Guide
- June 25, 2024
- Kramer
Table of Contents
SWT3-31-HU Quick Start Guide
SWT3-31-HU USB-C HDMI Switcher
https://de2gu.app.goo.gl/az79QVDuXuGKsQoaA
This guide helps you install and use your SWT3-31-HU for the first time.
Go to
www.kramerav.com/downloads/SWT3-31-HU
to download the latest user manual and check if firmware upgrades are
available.
Step 1: Check what’s in the box
SWT3-31-HU 3×1 4K60 USB-C/HDMI Switcher
1 Bracket set| 1 Multi signal USB-C cable (1m)
1 Power adapter and cord| 4 Rubber feet
1 Quick start guide
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Step 2: Get to know your SWT3-31-HU
| # | Feature | Function |
|---|---|---|
| 1 | USB Type A Port | Connect to the USB local devices (for example, a USB PTZ |
camera).
2| USB-C IN 1 Port| Connect to USB-C AV sources:
· that support DisplayPort Alternate Mode, for example, a laptop) to share
content.
· to communicate with the USB devices (for example, a PTZ camera) that are
connected to the device,
· to connect to the LAN
· to charge the connected sources (that supports USB Power Delivery 2.0).
While charging, the charging icon (to the right of the connector) becomes
visible and lights orange.
3| IN Status LED 1 to 3 (per input port)| LED Status| Indicates
Lights blue| An input is selected and connected with an active AV or USB
source.
Flashes blue| An input is selected and has no active AV signal.
Off| An input is not selected and has an active AV signal.
4| IN Ports (2 and 3)| HDMI| Connect to an HDMI source.
5| HOST USB B
3.1 Connector| Connect to a USB host (for example, a room PC) to communicate
with the USB devices (for example, a PTZ camera) connected on this device.
6| INPUT SELECT Button| Press to select an input. Each press toggles to the
next input.
7| DISPLAY ON Button| Press to turn display On/Off.
Button LED lights on sending Display On message. Button LED turns off on
sending Display Off message.
8| 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.
9| 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 blue| Power is on and a source is connected.
Lights green| Power is on, and a source and an acceptor are connected.
| # | Feature | Function |
|---|---|---|
| 10 | HDMI OUT Connector | Connect to an HDMI acceptor. |
| 11 | HDMI LOOP Connector | Connect to a local acceptor. |
| 12 | USB DEVICE Type A Port (2 to 4) | Connect to the USB local devices (for |
example, a USB camera, a soundbar, microphone and so on).
13| IR OUT 3.5mm Mini Jack| Outputs an IR signal, per command from LAN-
connected controller (for example, from SL-240C), to a connected IR emitter.
14| AUDIO OUT 5-pin Terminal Block Connector| Connect to a balanced stereo
analog audio acceptor.
15| I/O 2-pin Terminal Block (S1 to S2)| 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.
16| RS-232 3-pin Terminal Block| Connect to an RS-232 controlled device (for
example, the connected PTZ USB camera) to be controlled via an IP-connected
controller (for example, SL-240C).
17| LAN PoE RJ-45 Connector| Connect to LAN. The device accepts power from the
LAN port.
18| 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)
19| 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,
or
For 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).
Step 3: Mount SWT3-31-HU
Install SWT3-31-HU using one of the following methods:
- Attach the rubber feet and place the unit on a flat surface.
- Mount the unit in a rack using the recommended rack adapter (see www.kramerav.com/downloads/SWT3-31-HU
- 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 SWT3-31-HU.
Regarding power options, see next section.
Connecting the audio output
To a balanced stereo audio acceptor
To an unbalanced stereo audio acceptor:
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
SWT3-31-HU 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.
Step 6: Operate SWT3-31-HU
Operate SWT3-31-HU 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
Baud Rate:| 115,200| Parity:| None
Data Bits:| 8| Command Format:| ASCII
Stop Bits:| 1| |
Example: (flash LEDs on the front panel for 60 seconds): #IDV
Default IP Parameters – DHCP ON
Fallback IP Address:| 192.168.1.39| UDP Port #:| 50000
Subnet mask:| 255.255.255.0| TCP Port #:| 5000
Gateway:| 192.168.0.1| User/Password| Admin/Admin
Factory Reset
Protocol 3000:| “#FACTORY” command.
After receiving “FACTORY OK” perform one of the following to restart the
device and complete the procedure:
· Power cycle
· Send command “#RESET”
Web Pages:| In the Settings page, click Factory Reset.
The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.