Kramer SWT3-31-HU User manual

SWT3-31-HU Quick Start
P/N:
2900- 301586QS
Rev:
1
Scan for full manual
SWT3-31-HU Quick Start Guide
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 3x1 4K60 USB-C/HDMI Switcher
4 Rubber feet
1 Bracket set
1 Power adapter and cord
1 Quick start guide
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 a USB-C AV source (that supports DisplayPort Alternate Mode). Charges the
connected source (that supports USB Power Delivery 2.0) up to 60W when the device is
powered via the power adapter. 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 AV+USB source.
Flashes blue
An input is selected and has no active AV signal.
Lights blue
An input is selected and connected with an active USB host only (no AV).
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.
7
DISPLAY ON Button
Press to turn display on/off. You can also configure button functionality via UI.
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.
Flashes red/green
IP fallback address has been acquired.
Flashes red
IP address access has been blocked by security.
9
STATUS LED
LED Status
Indicates
Dark
Power is off
lights white
PSU-powered on (only).
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
Press and hold while connecting the power for several seconds to reset device to its factory
settings.
19
12/20V DC Power Connector
Use the included +12V 5A connector for powering the unit, or a +20V DC 6A power adapter
(purchased separately) for powering and charging the source device connected to the
USB-C port.
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.
•Fasten a bracket (included) on each side of the unit and attach it to a flat surface
(see www.kramerav.com/downloads/SWT3-31-HU).
•Mount the unit in a rack using the recommended rack adapter
(see www.kramerav.com/product/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, connect the 12V power to the adapter power cord and to SWT3-31-HU and
plug it into the mains electricity. Use the supplied 12V to power the device or the 20V power adapter (purchased separately)
to power the device and enable the USB-C port to charge it’s connected devices.
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): #FLAG-ME<CR>
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.
Web Pages:
In the Settings page, click Factory Reset.
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