Figure 1: NT-52P 2-Port Universal I/O PoE Control Gateway 6
Figure 2: Connecting the NT-52P for Initial Configuration 9
Figure 3: Configuring a Remote Connection 11
Figure 4: Connecting the NT-52P 2-Port Universal I/O PoE Control Gateway 12
Figure 5: Local Area Connection Properties Window 15
Figure 6: Internet Protocol Version 4 Properties Window 16
Figure 7: Internet Protocol Version 6 Properties Window 16
Figure 8: Internet Protocol Properties Window 17
Figure 9: General Info Page 20
Figure 10: Ports Type Setting Page 22
Figure 11: Connected Clients Page 23
Figure 12: Device Settings Page 24
Figure 13: Communication Page 25
Figure 14: Serial Port Settings Page – RS-232 Port Type 26
Figure 15: Serial Port Settings Page – RS-485 Port Type 27
Figure 16: GPIO Port Settings Page 28
Figure 17: GPIO Port Settings Page Digital IN 29
Figure 18: GPIO Port Settings Page Digital OUT 30
Figure 19: Digital Out Selection Warning Popup 30
Figure 20: GPIO Port Settings Page Analog IN 31
Figure 21: Relay Port Settings Page 32
Figure 22: IR Command Learner Page 33
Figure 23: Security Page 34
Figure 24: Security Confirmation Popup 35
Figure 25: Authentication Required Popup 35
Figure 26: Security Activated Page 36
Figure 27: Logs Page 37
Figure 28: About Us Page 38
ii NT-52P – Contents
1 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
line, making the best even better!
Our 1,000-plus different models now appear in 14 groups that are clearly defined by
function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;
GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5:
Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:
Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:
Room Connectivity; GROUP 10: Accessories and Rack Adapters; GROUP 11:
Sierra Video Products; GROUP 12: Digital Signage; GROUP 13: Audio; and
GROUP 14: Collaboration.
Congratulations on purchasing your Kramer NT-52P 2-Port Universal I/O PoE
Control Gateway that is ideal for use in the following applications:
• Remote IP control of any controlled devices
• Fast field replacement of any I/O control gateway
• Remote upgrade of any control I/O interface
• Control system with multiple IP clients
• LAN-based I/O-ports expansion of control systems
NT-52P – Introduction 1
available (where appropriate).
Caution:
There are no operator serviceable parts inside the unit
provided with the unit
before installing
2 Getting Started
We recommend that you:
•Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
•Review the contents of this user manual
Go to www.kramerav.com/downloads/NT-52P to check for up-to-date user
manuals, application programs, and to check if firmware upgrades are
2.1 Achieving the Best Performance
To achieve the best performance:
•For optimum range and performance, use the recommended Kramer cables
available at www.kramerav.com/product/NT-52P
• Do not secure the cables in tight bundles or roll the slack into tight coils
• Avoid interference from neighbouring electrical appliances that may adversely
influence signal quality
•Position yourNT-52P away from moisture, excessive sunlight and dust
This equipment is to be used only inside a building. It may only be
connected to other equipment that is installed inside a building.
2.2 Safety Instructions
Warning:
Warning:
2 NT-52P - Getting Started
Use only the Kramer Electronics power supply that is
Disconnect the power and unplug the unit from the wall
2.3 Recycling Kramer Products
The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims
to reduce the amount of WEEE sent for disposal to landfill or incineration by
requiring it to be collected and recycled. To comply with the WEEE Directive,
Kramer Electronics has made arrangements with the 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/support/recycling/
.
NT-52P – Getting Started 3
3 Overview
The NT-52P is a compact universal−I/O PoE control gateway, capable of plug and
play deployment over an existing LAN for remote control of customer−controlled
devices via two universal I/O ports. The ports can be configured as bidirectional
RS−232, crossed RS−232, RS−485, IR, GPI/O or relay control connections.
Multiple control clients can be connected over IP to the NT-52P control gateway for
concurrent control of devices, such as AV scalers, video projectors and displays,
audio amplifiers, DVD players, sensors, screens, shades, door locks, and lighting.
The NT-52P features:
•Innovative Universal I/O Ports – Remote IP-based control of any device
connected to the control gateway universal I/O ports, with selectable port
configuration to bidirectional RS−232, RS−232 cross, RS−485, IR, GPI/O or
relay control. Each port is adaptable for any room device control simply by
toggling a button.
•Multiple IP Connected Clients – Remotely connected over an existing
Ethernet network, concurrently controlling any devices connected to control
gateway universal I/O ports.
• Easy & Reliable Installation:
• Plug-and-Play IP Installation with dynamic (DHCP) address resolution
and auto device discovery over existing LAN.
•Compact, designed for piggy−back installation, such as behind a TV or
display, with the ability to draw power over Ethernet.
• Remote Management:
• Single PoE cable for both, powering and connectivity, and Plug and
Play IP installation with dynamic (DHCP) address resolution and auto
device discovery over existing LAN.
•Highly−resilient powering with multiple power options — Power over
Ethernet per IEEE 802.3af standard, and/or PSU (included).
4 NT-52P - Overview
• Built−in web UI for remote browser−based management and support,
by multiple IP−clients over existing LAN.
•Easy firmware upgrades, either remotely via existing LAN, or locally via
USB device port.
•Size – DigiTOOLS™ – Mount 3 units side-by-side in a 1U rack space with the
optional RK−3T rack adapter.
NT-52P – Overview 5
#
Feature
Function
1
IR Sensor
Sensor for IR learning
2
IR LED
Lights blue to indicate IR learning activity
3
LINK LED
Lights blue to indicate Ethernet li nk activity
4
Port 1 Blue LED
Port 1 activity left indication. For functionality, see Table 1
5
Port 1 White LED
Port 1 activity right indication. For functionalit y, see
8
Port 2 Blue LED
Port 2 activity left indication. For functionality, see Table 1
Table 1
saved mode or unlocks the locked mode.
‘Locked’ is displayed.
12
ON LED
Lights green when unit power is on
4 Defining the NT-52P 2-Port Universal I/O
PoE Control Gateway
This section defines the NT-52P.
Figure 1: NT-52P 2-Port Universal I/O PoE Control Gateway
Table 1
6 Port 1 MODE Button Press to cycle through and select Port 1 mode function.
7 Port 1 MODE LCD
Display
See Table 1
until ‘Save?’ is displayed on LCD display, and press again
within ~5sec to save the selected mode, otherwise
‘Unsaved’ is displayed. A long press >5sec locks the
saved mode or unlocks the locked mode.
Displays selected Port 1 mode function: RS-232, RS-232
Cross, RS-485, Relay, IR, GPIO. See Table 1
mode of displayed text. When pressi ng a locked button,
‘Locked’ is displayed.
for selected mode button color. Wait ~5sec
for the
9 Port 2 White LED Port 2 activity right indication. For functionalit y, see
10 Port 2 MODE Button Press to cycle through and select Port 2 mode function.
11 Port 2 MODE LCD
Display
6 NT-52P - Defining the NT-52P 2-Port Universal I/O PoE Control Gateway
See Table 1
until ‘Save?’ is displayed on LCD display, and press again
within ~5sec to save the selected mode, otherwise
‘Unsaved’ is displayed. A long press >5sec locks the
Displays selected Port 2 mode function: RS-232, RS-232
Cross, RS-485, Relay, IR, GPIO. See Table 1
mode of displayed text. When pressing a locked button,
for selected mode button color. Wait ~5sec
for the
#
Feature
Function
Block
Block
15
ID
Press to broadcast ID message for auto-discovery of
the device
16
SERVICE Micro USB
Connector
Connects to a PC for a local firmware upgrade
17
RESET Button
Press and hold while cycling the device power to reset
18
LAN/POE RJ-45
Connects to a PoE source (Power over Ethernet) for
13 Port 1 I/O 3-pin Terminal
14 Port 2 I/O 3-pin Terminal
Connector
19 12V DC Connector Connects to the 12V DC power supply, center pin
Port 1 terminal block
Port 2 terminal block
to factory default parameters
powering and an IP client or other controller, either
directly or via a LAN
positive. Not needed when the device is supplied power
by a PoE power source
NT-52P – Defining the NT-52P 2-Port Universal I/O PoE C ontrol Gateway 7
Tx – Transmit, Rx – Receive
9600, 8, N, 1 – 9600 baud, 8-bits, no parity, 1 stop bit
P1 / P2 – Port 1 / Port 2
IR
/ IR2 – IR Port 1 / IR Port 2
1
IO
/ IO2 – IO Port 1 / IO Port 2
1
5000 Blue
5000 White N/A
ON when IO
is active
ON when IO
1
is active
ON when
Relay
2
8 NT-52P - Defining the NT-52P 2-Port Universal I/O PoE Control Gateway
is shipped from the factory with DHCP enabled (off by default)
5 Initial Configuration and Use Overview
This chapter provides an overview of the initial configuration and basic operation of
the NT-52P and comprises:
• Configuring the NT-52P (see Section 5.1
• Configuring an Ethernet connection on the PC (see Section 5.2)
Figure 2: Connecting the NT-52P for Initial Configuration
)
5.1 Configuring the NT-52P 2-Port Universal I/O PoE Control
Gateway
The NT-52P
and a random IP address. To connect the NT-52P on first installation, you
must identify the IP address that was automatically assigned to the
NT-52P. To discover the IP address of NT-52P, use K-LAN Configurator,
available for download from our website at
www.kramerav.com..
To browse the NT-52P Web UI on taking the device out of the box:
Use the default host name: NT-52P-xxxx, where xxxx are the last four digits of the
serial number of the device.
NT-52P – Initial Configuration and Use Overview 9
To configure the NT-52P:
1. Connect the Ethernet port on the rear panel of the NT-52P to a PC, either
directly or via a LAN, (see Section 6.1
2. Using a Web browser and the relevant IP address or host name (see
Section 9.1), browse the General Info home page (see Figure 9
3. Click Device Settings to browse to the Device Settings page, (see
Figure 12
).
4. Enter the time and date manually, or enter the Time server address for
automatic time and date synchronization.
5. Click Save Changes.
6. Click Communication to browse to the Communication page, (see
Figure 13
).
7. Enter the IP address, mask and gateway for static IP addressing and click
Set. We recommend that you set a meaningful host name.
).
).
If you have changed the IP address from the default setting, you must
reload the General Info home page again using the new IP address.
8. Click GPIO Port Settings to browse to the GPIO Port Settings page, (see
Section 7.6
). Here you can configure digital in, digital out and analog in port
parameters.
9. Set the trigger type, voltage levels and status of each port.
10. Click Save Changes.
11. Click Relay Port Settings to browse to the Relay Port Settings page, (see
Section 7.8
). Here you can set the relays on or off.
12. If required, click Security (see Section 7.9) to browse to the Security page.
13. Click ON to activate security.
The user name and password credentials popup appears.
10 NT-52P - Initial Configuration and Use Overview
14. Enter the required user name and password. (The default user name is
Admin and the password is Admin).
5.2 Setting Up an Ethernet Connection on the PC
If the control application can directly connect to the Ethernet driver, select the host
IP and port number according to your NT-52P configuration, as illustrated in
Figure 3
.
Figure 3: Configuring a Remote Connection
NT-52P – Initial Configuration and Use Overview 11
switch on the power to each device.
6 Connecting the NT-52P
Always switch off the power to each device before connecting it to your
NT-52P. After connecting your NT-52P, connect its power and then
Figure 4: Connecting the NT-52P 2-Port Universal I/O PoE Control Gateway
To connect the NT-52P as illustrated in the example inFigure 4:
1. Connect the device to a LAN or PC via the RJ-45 Ethernet connector.
2. Following the Save Settings Procedure
3. According to the connections shown in Table 2, connect an RS-232-
controlled device, (for example, a projector) to terminal block 1.
4. Following the Save Settings Procedure, set and save Relay to Mode 2.
5. According to the connections shown in Table 2, connect a relay-controlled
device, (for example, a projection screen) to terminal block 2, Common pin
and either Normally Open or Normally Closed pin per needed operation
mode.
12 NT-52P - Connecting the NT-52P
, set and save RS-232 to Mode 1.
•
6. If the NT-52P does not receive power from a PoE provider, connect the
device to the power supply and connect the power adapter to the mains
electricity (as shown in Figure 4
Changing the port mode resets the ports to their default state: GPIO
goes to its low state and the relay goes to its open state.
Save Settings Procedure:
•Press to cycle through and select a Port 1 or 2 mode function.
See Table 1
for selected mode button color.
• Wait approximately 5 seconds until ‘Save?’ appears on LCD display
• Press again within about 5 seconds to save the selected mode, otherwise
‘Unsaved’ displays.
•A long press of over 5 seconds locks the saved mode – ‘Locked’ appears on
the LCD display – or unlocks the locked mode – ‘Unlocked’ appears on the
LCD display.
Terminal Block Connections
G P1 P2
RS-232
Crossed
RS-232
RS-485
IR
IO
Relay
8-Char
Display
Text
RS-232 Ground Rx Tx
RS-232X Ground Tx Rx
RS-485 Ground Rx (+) Tx (-)
IR+IR Ground IR1 IR2
IO+IO Ground IO1 IO2
Relay Co mmon Normally Open Normally Closed
).
Table 2: NP-52P Terminal Block Connections
NT-52P – Connecting the NT-52P 13
6.1 Connecting via Ethernet
You can connect to the NT-52P via Ethernet using either of the following methods:
• Directly to the PC using a crossover cable (see Section 6.1.1
• Via a network hub, switch, or router, using a straight-through cable (see
Section 6.1.2
)
If you want to connect via a router and your IT system is based on IPv6,
speak to your IT department for specific installation instructions.
6.1.1 Connecting the Ethernet Port Directly to a PC
You can connect the Ethernet port of the NT-52P directly to the Ethernet port on
your PC using a crossover cable with RJ-45 connectors.
This type of connection is recommended during installation, following a
factory reset that restores the default IP address.
After connecting to the Ethernet port, configure your PC as follows:
1. Click Start > Control Panel > Network and Sharing Center.
2. Click Change Adapter Settings.
3. Highlight the network adapter you want to use to connect to the device and
click Change settings of this connection.
The Local Area Connection Properties window for the selected network
adapter appears as shown in Figure 5
.
)
14 NT-52P - Connecting the NT-52P
Figure 5: Local Area Connection Properties Window
4. Highlight Internet Protocol Version 4 (TCP/IPv4) and click Properties.
The Internet Protocol Properties window relevant to your IT system appears
as shown in Figure 6 or Figure 7
.
NT-52P – Connecting the NT-52P 15
Figure 6: Internet Protocol Version 4 Properties Window
Figure 7: Internet Protocol Version 6 Properties Window
16 NT-52P - Connecting the NT-52P
5. Select Use the following IP Address for static IP addressing and fill in the
details as shown in Figure 8
For TCP/IPv4 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 Properties Window
6. Click OK.
7. Click Close.
6.1.2 Connecting the Ethernet Port via a Network Hub or Switch
You can connect the Ethernet port of the NT-52P to the Ethernet port on a network
hub or switch using a straight-through cable with RJ-45 connectors.
NT-52P – Connecting the NT-52P 17
6.1.3 Connecting an RS-232/RS-485 Controlled Device
To connect an RS-232/RS-485 device:
• Following the Save Settings Procedure
RS-485 in Mode 1 or Mode 2.
•Connect the serial-controlled device to the configured port 1 or 2 terminal
block, according to the connections shown in Table 2
•When RS-232 device connecting cable needs to be wired-crossed, such as
using straight-through cable instead of crossed cable, press the Mode button
until RS-232X displays in the LCD display and save the setting, to eliminate
need for actual cable replacement.
•When RS-485 device is connected, set the right RS-485 termination mode as
shown in Section 7.6
.
6.1.4 Connecting an IR Device
To connect an IR device:
• Following the Save Settings Procedure
• Connect the IR device to the configured port 1 or 2 terminal block, P1 or P2
sub-port, according to the connections shown in Table 2
6.1.5 Connecting a GPIO Device
To connect a GPIO device:
•Following the Save Settings Procedure
Mode 2.
, set and save RS-232 or RS-232X or
.
, set and save IR in Mode 1 or Mode 2.
.
, set and save GPIO in Mode 1 or
•Connect the GPIO device to the configured port 1 or 2 terminal block, P1 or
P2 sub-port, according to the connections shown in Table 2
.
6.1.6 Connecting a Relay Controlled Device
To connect a relay-controlled device:
•Following the Save Settings Procedure
Mode 2.
Connect the relay-controlled device to the configured port 1 or 2 terminal
block, Common pin and either Normally Open or Normally Closed pin per
needed operation mode, according to the connections shown in Table 2
18 NT-52P - Connecting the NT-52P
, set and save Relay in Mode 1 or
.
7 Remote Operation via the Web UI
The embedded Web UI can be used to remotely operate the NT-52P using a Web
browser and an Ethernet connection.
Before attempting to connect:
•Perform the initial configuration in Section 5.1
Section 6.1
•Ensure that your browser is supported (see Section 9)
7.1 Browsing the Web UI
To browse the Web UI:
1. Open your Internet browser. Type the IP address or host name of the device
(see Section 5.1
The Loading page appears followed shortly by the General Info page shown in
Figure 9
.
The General Info page displays the following:
• Model Name
• Firmware version
• Device serial number
• Web UI version
) in the Address bar of your browser.
and connecting via Ethernet in
NT-52P – Remote Operation via the Web UI 19
Figure 9: General Info Page
Loading and Saving Configurations
Loading and saving configurations is used for duplicating multiple device definitions
for easy system configuration. The configurations are loaded and saved to a local
PC. Load and save is performed using the buttons at the bottom left-hand side of
the screen for all pages displayed.
To load a configuration:
1. Click Load.
The Explorer window opens.
2. Browse to the required file.
3. Select the required file and click Open.
The device is configured according to the saved preset.
20 NT-52P - Remote Operation via the Web UI
UI Page
Parameter
Sync Every Day time
TCP Port
To save the current configuration:
1. Configure the device as required.
2. Click Save.
The Save File window opens.
3. Browse to the required location to which to save the file.
4. Enter the required name for the saved preset.
5. Click OK.
The current configuration is saved.
When using Chrome, the file is automatically saved in the Downloads
folder.
The following parameters are saved to the configuration file:
Device Settings (Figure 7.4) Model Name
Communication (Figure 7.5) UDP Port
Serial Port Setting (Figure 7.6) Serial Port
GPIO Port Settings (Figure 7.7)GPIO Port
NT-52P – Remote Operation via the Web UI 21
Time Zone
Daylight Savings Time mode
Use Time Server mode
Time Server Address
Protocol
IP Port
TCP Keep Alive
Parity
Data Bits
Baud Rate
Stop Bits
Send Replies to New Client by Default
Trigger Type
Pull-up Resistor
Threshold VDC Range Min
Threshold VDC Range Max
Maximum Reported Steps
D displays can indicate different configurations set using
7.2 Setting the Port Types
The Ports Type Setting matrix displays the current port mode and locking state
settings, as set via the front panel buttons.
To set the port mode:
•Click the table at the intersection of the port and the desired mode.
The selected table cell turns blue.
•To lock or unlock the setting, click the Locked or Unlocked port button.
Figure 10: Ports Type Setting Page
The text on the LC
the Web UI.
7.3 Displaying Connected Clients
The Connected Clients page (Figure 11) allows you to view the following details of
any client devices connected via Ethernet to the NT-52P:
• IP address
• The port it is connected to
• Method of connection
• Whether or not Send Replies is enabled for the port
22 NT-52P - Remote Operation via the Web UI
Figure 11: Connected Clients Page
7.4 Setting Device Name and Time Functions
The Device Settings page (Figure 12) allows you to view the model name and time
server status. You can also modify the following fields:
• Device name
• Device time, date, and time zone
• Use a timeserver to set the time and date automatically using a (if the device
is connected to the Internet), including the Time Zone and daylight savings
time
NT-52P – Remote Operation via the Web UI 23
Figure 12: Device Settings Page
The NT-52P has a built-in clock that can synchronize with a Time Server if required.
To enable Time Server synchronization:
1. Browse to the Device Settings page by clicking Device Settings.
The Device Settings page is displayed as shown in Figure 12
.
2. Click the Use Time Server ON button.
3. Enter the IP address of the Time Server.
4. Enter the time of day at which the NT-52P should synchronize with the Time
Server.
5. Click Save Changes.
24 NT-52P - Remote Operation via the Web UI
7.5 Setting Communication Parameters
The communication page allows you to:
• Turn DHCP for the device on and off
• Edit the IP settings for static IP addressing
The default IP address setting for the device is DHCP.
Figure 13: Communication Page
After modifying any of the IP settings, click Set to save the changes.
7.6 Setting Serial Port Parameters
The Serial Port Settings page differs according to the selected port type and allows
you to:
• Select the serial port
• Set the following Ethernet parameters for each selected serial port:
• Select TCP or UDP
• IP port label
• Enable or disable RS-485 termination
NT-52P – Remote Operation via the Web UI 25
•TCP keep alive time – 0-3600sec (default 60sec) internal time, after
which detected idle connection is disconnected
• Set the following serial parameters for each serial port:
• Parity
• Data bits
• Baud rate
• Stop bits
• Select whether or not to send replies on the port to the new client
Figure 14: Serial Port Settings Page – RS-232 Port Type
26 NT-52P - Remote Operation via the Web UI
To toggle RS-485 termination:
•Verify that an RS-485 port type is selected (see Section 7.2
enable or disable termination.
Figure 15: Serial Port Settings Page – RS-485 Port Type
) and click to
NT-52P – Remote Operation via the Web UI 27
7.7 Setting GPIO Port Parameters
GPIO ports are used to connect and control hardware devices to the NT-52P such
as sensors, switches and LED indicators that input and output digital signals and
input analog signals.
Figure 16: GPIO Port Settings Page
The GPIO Port Setting page allows you to configure the following for each selected
GPIO port:
• Trigger type—digital input, digital output, or analog input
• Enable and disable the pull-up resistor for the digital input and output
• Set the threshold trigger voltage range for the digital input
• Set the current status for the digital output signal to high or low
• Set the maximum number of reported steps for the analog input
• Read—Press to read the state of the port
• State—Displays the digital state of the port, either 1 (high) or 0 (low)
GPIO sub-port states are displayed according to the mode settings of their
associated port.
28 NT-52P - Remote Operation via the Web UI
The default parameter settings change depending on which trigger type is
selected.
7.7.1 Setting Digital In Trigger Parameters
Figure 17: GPIO Port Settings Page Digital IN
Set the trigger type to Digital In (default). With this selection, the digital input trigger
mode reads the digital input of an external sensor device that is connected to the
GPIO port. It detects high (upon passing Max. threshold from Low state, default
2.2V) or low (upon passing Min threshold from High state, default 0.8V) port states
according to the user defined voltage threshold levels:
•Pull-up resistor enabled (default)
Detects an open circuit as High, or a short to ground as Low. This is suitable
for example, for a pushbutton switch (connecting one terminal of the switch to
ground, and the other to the input) or for an alarm closing a circuit that
activates a series of actions.
When the pull-up is enabled, the port state is high and to be triggered it must
be pulled low by the externally connected sensor.
•Pull-up resistor disabled
Suitable, for example, for a high-temperature alarm that exceeds the
maximum voltage threshold.
When disabled, the port state is low and to be triggered it must be pulled high
by the externally connected sensor.
NT-52P – Remote Operation via the Web UI 29
7.7.2 Setting Digital Out Trigger Parameters
Figure 18: GPIO Port Settings Page Digital OUT
Set the trigger type to Digital Out. With this selection, the external device, (for
example, an electric blind) is controlled by the NT-52P.
When selecting the Digital Out trigger type, the warning popup shown in Figure 19
is displayed.
Figure 19: Digital Out Selection W arning Popup
The digital output mode function is defined by the pull-up resistor setup:
•Pullup resistor enabled:
The port is used for controlling external devices such as room or light
switches. The external source device determines the voltage output; the
maximum voltage is 30V DC and the maximum current is 100mA.
Ensure that the current in this configuration does not exceed 100mA!
When enabled, the port state is high by default. For the state to be low, you must
click Low from the Current Status.
30 NT-52P - Remote Operation via the Web UI
•Pullup resistor disabled (default):
The port can be used for controlling devices that accept a TTL signal such as
for powering LEDs. The voltage output is TTL positive logic: open: ~ 3.5V;
closed: ~ 0.3V.
When disabled, the port state is low by default and to set it high, you must click
High from the Current Status.
7.7.3 Setting Analog In Trigger Parameters
Figure 20: GPIO Port Settings Page Analog IN
Set the trigger type to Analog In. With this selection, the port is triggered by an
analog external device, such as, a volume control device. The trigger is activated
once when the detected voltage is within 0 to 30V DC voltage range.
You can select the number of steps, from 1 to 100 (default 8), into which the analog
input signal is divided. The voltage of each step is dependent on the number of
steps selected. Individual step voltage equals 30V divided by the number of steps.
When selecting the Analog In trigger type, the Pullup resistor and Threshold
settings are disabled.
NT-52P – Remote Operation via the Web UI 31
7.8 Setting Relay Port Status
The Relay Port Settings page allows you to turn the relay on and off to control relay-
driven devices such as shades, projection screens and lighting systems, for each
selected relay port.
Figure 21: Relay Port Settings Page
The relay ports have the following characteristics:
• Rated at 30V DC and 1A
• Default state of normally open
• A non-latching relay function, that is, the contact is left open when unpowered
or on power up state. This means that if a relay is closed and power is lost,
the relay returns to its default state. To return it to its pre-power loss state, the
setting must be changed using either the Web UI or a Protocol 3000
command
32 NT-52P - Remote Operation via the Web UI
To close a relay, (for example, relay 2):
1. On the Relay Port Setting page, click Port button 2.
The current relay status of port 2 is shown to the right of the button.
2. Click Close.
The relay closes, the button changes color, and the port 2 white activity LED
on the front panel lights. See Table 1
for more information.
7.9 Configuring IR Command Learning
The IR Command Learner page allows you to teach the NT-52P IR commands.
These can be saved for later use.
While learning is in progress, the two blue and white activity LEDS of both
ports light and the NT-52P is not available for normal operation.
Figure 22: IR Command Learner Page
NT-52P – Remote Operation via the Web UI 33
Feature
Function
This command can be copied/pasted to another application
Spinner
press the Test button to start the test
Retrieve Last Command
Button
Press to retrieve that last command learned
Clear/Copy Buttons
Press to clear or copy the command received
Load/Save Buttons
Press Load to retrieve a previously saved command. Press
Command Name Field Enter the required name for the command
Learning Timeout Set the time to elapse before the learning mode is exited if
Start Learning Button Press to start the l earning process.
Command Received Window Displays the command string received during the process.
no command is received
Note: While learning is in progress, the four IR Out LEDS
light and the NT-52P is not available for normal operation.
Test Button and Port Selection
7.10 Activating Security
The Security page allows you to turn logon authentication on or off.
Select the port on which to test the learned command and
Save to save the current command
Figure 23: Security Page
When security is on, access to the Web UI is granted only on submission of a valid
user and password. The default user ID is Admin and the password is Admin.
34 NT-52P - Remote Operation via the Web UI
To activate Web UI security:
1. On the Security page, click ON.
The confirmation popup is displayed as shown in Figure 24
Figure 24: Security Confirmation Popup
2. Click OK.
The Authentication Required popup is displayed as shown in Figure 25
Figure 25: Authentication Required Popup
.
.
3. Enter the default username and password.
4. Click OK.
5. Wait until the Web UI has reloaded. Click the Security page button.
The page show in Figure 26
NT-52P – Remote Operation via the Web UI 35
is displayed.
Figure 26: Security Activated Page
6. If required, click OFF to turn security off, or change the password and click
Change.
7.11 Using the Logs Page
The Logs page allows you to:
• View current logs
• Configure the logs
• Filter the logs
36 NT-52P - Remote Operation via the Web UI
Figure 27: Logs Page
The display may not update automatically. Click Refresh to update the display.
Use the Log Filter check-boxes to select which events to display from the log. Use
the Log Config check-boxes to select which events are recorded.
NT-52P – Remote Operation via the Web UI 37
7.12 Kramer Information
The About Us page displays the Web UI version and the Kramer company details.
Figure 28: About Us Page
38 NT-52P - Remote Operation via the Web UI
8 Using NT-52P Operations
This section explains how to use IR learning, reset the device and upgrade device
firmware.
8.1 IR Learning
At the start and end of learning a message is sent to all attached clients.
To perform IR learning, the IR remote control must be approximately five to seven
centimeters (2” and 2.7”) from the NT-52P front panel.
While learning is in progress, the NT-52P is not available for normal
operation.
To teach the NT-52P an IR command:
1. Put the NT-52P in IR Learning mode either by sending the Protocol 3000
command, (see Section 11.2) or by using the Web pages, (see Section 7.9
The device is no longer in normal operation, and the NT-52P sends an IR
Learning start message to all connected clients.
2. Using the IR remote control, send the required command to the NT-52P.
The NT-52P processes the IR detected signal and generates the signal-
associated pronto code to be used by the driver. When using the Web page
for IR learning, the NT-52P also displays the learned command code on
screen. (This command can be copied/pasted to other applications, for
example, control software when creating a driver.) The NT-52P then sends
the IR Learning stop message to all connected clients to indicate return to
normal operation.
).
3. Optional—Test the command if using the IR Learning Web page.
Test results are displayed on screen.
4. Save the learned command.
NT-52P – Using NT-52P Operations 39
8.2 Resetting to the Factory Default Settings
To reset the device to its factory default settings:
1. Turn off the power to the device.
2. Press and hold the Reset button on the front panel.
3. Turn on the power to the device while holding down the Reset button for a
few seconds.
4. Release the button.
The device is reset to the factory default settings.
8.3 Upgrading the Firmware
For instructions on upgrading the firmware see the “Kramer K-Upload User
Manual”.
40 NT-52P - Using NT-52P Operations
Ports
2 RS−232/IR universal−IO ports
1 bidirectional RS-232 serial
2 relays
1 LAN
On an RJ-45 connector
1 IR sensor
For IR learning
1 micro USB connector
For programming
RS-232 communication
Transparent up to 115200bps
IR emitter cable range
80m (260ft)
IR output frequencies
20kHz to 1.2MHz
IR input frequencies
20kHz to 60kHz
Data and Connections
Maximum data handling of
Up to 150kbps (summed on all ports, see
IP-client connections
Operating temperature
0° to +40°C (32° to 104°F)
Storage temperature
–40° to +70°C (–40° to 158°F)
Humidity
10% to 90%, RHL non-condensing
Regulatory Compliance
Vibration
ISTA 1A in carton (International Safe
Safety
CE
Environmental
RoHs, WEEE
General
Enclosure type
Aluminum
Net dimensions
12cm x 7.15cm x 2.44cm (4.7" x 2.8" x
1.0") W, D, H.
Net weight
0.18kg (0.4lbs) approx.
Shipping dimensions
15.7cm x 12cm x 8.7cm (6.2" x 4.7" x 3.4")
Shipping weight
0.82kg (1.76lbs) approx.
Included
12V DC power adapter, bracket set
Optional
RK-3T 19“ rack adapter,
www.kramerav.com/product/NT-52P
9 Technical Specifications
on 3−pin terminal blocks each
selectable as one of:
Serial Serial port baud rates 1200, 2400, 4800, 9600, 19200, 38400,
IR
device
Maximum simultaneous
Power Power consumption 12V DC, 220mA
Cooling Convection ventilation
Environmental
Conditions
1 crossed bidirectional RS-232 serial
1 bidirectional RS-485 serial
2 IR emitters
2 GPI/O
57600, 15200bps
Section 9.1)
40
Transit Association)
Accessories
Specifications are subject to change without notice at www.kramerav.com
NT-52P – Technical Specifications 41
W, D, H.
IR and serial cables – see
9.1 Data Handling Performance
The NT-52P is designed to support mainly AV-relevant RS-232 communication.
These devices must have overall data bandwidth limits high enough in most AV
installations to support the required communication bandwidth.
In extremely demanding cases, we recommend that you take into account the
bandwidth limitations.
The total sustained data bandwidth that each device can handle for all ports
simultaneously is 150kbps.
9.2 Example Bandwidth Calculation
The NT-52P has two serial ports. Each serial port can support up to:
•150kbps / 2 = 75kbps
If each protocol command is 100 bytes, (that is, 800 bits), you can safely send and
receive a minimum of 96 commands per second on each serial port. This is shown
using the following calculation:
(150kbps * 1024) / 800 bits / 2 = 96
The same calculation applies to all devices. A similar calculation applies when
fewer ports are used at the same time where a higher bandwidth per port can be
achieved.
In critical applications requiring a lossless data transfer, we recommend that
communication on all the other ports is stopped when making a long file transfer (for
example, when performing a firmware upgrade via one of the serial ports).
42 NT-52P - Technical Specifications
RS-232
Baud Rate:
115200
Data Bits:
8
Stop Bits:
1
Parity:
None
address are set to the values shown below.
Ethernet
DHCP:
Off
IP Address:
192.168.1.39
number of the device
Subnet Mask:
255.255.0.0
Gateway:
192.168.0.1
Maximum Simultaneous
40
TCP Port 1:
5001
TCP Port 2:
5002
UDP Port:
50000
Web UI Access
User name:
Admin
Password:
Admin
10 Default Parameters
The NT-52P is dispatched from the factory with DHCP enabled and a
random IP address. After performing a factory reset, the DHCP and the IP
Host Name: NT-52P-xxxx
Connections:
where xxxx are the last four digits of the serial
Default Logon Authentication
NT-52P – Default Param eters 43
11 Kramer Protocol 3000
The NT-52P can be operated using the Kramer Protocol 3000 serial commands.
The command framing varies according to how you interface with the NT-52P. For
example, a basic video input switching command that routes a layer 1 video signal
to HDMI out 1 from HDMI input 2 (ROUTE 1,1,2), is entered as follows:
•Terminal communication software, such as Hercules:
The framing of the command varies according to the terminal
communication software.
• K-Touch Builder (Kramer software):
• K-Config (Kramer configuration software):
All the examples provided in this section are based on using the
K-Config software.
44 NT-52P - Kramer Protocol 3000
Start
Address (optional)
Body
Delimiter
#
Destination_id@
Message
Start
Body
Delimiter
Command SP
CR
Start
Address
Body
Delimiter
#
Destination_id@
Command_1 Parameter1_1,Parameter1_2,…|
Command_3
CR
Start
Address (optional)
Body
Delimiter
~
@
Message
CR LF
Command SP [
] result
CR LF
You can enter commands directly using terminal communication software (e.g.,
Hercules) by connecting a PC to the serial or Ethernet port on the NT-52P. To enter
CR press the Enter key (LF is also sent but is ignored by the command parser).
Commands sent from various non-Kramer controllers (e.g., Crestron) may require
special coding for some characters (such as, /X##). For more information, refer to
your controller’s documentation.
11.1 Kramer Protocol 3000 – Syntax
11.1.1 Host Message Format
11.1.1.1 Simple Command
Command string with only one command without addressing:
CR
#
Parameter_1,Parameter_2,…
11.1.1.2 Command String
Formal syntax with commands concatenation and addressing:
When a message string contains more than one command, a pipe ( '|' ) character
separates each command.
Spaces between parameters or command terms are ignored.
46 NT-52P - Kramer Protocol 3000
11.1.4 Entering Commands
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).
For commands sent from some non-Kramer controllers like Crestron, some
characters require special coding (such as, /X##). Refer to the controller manual.
11.1.5 Command Forms
Some commands have short name syntax in addition to long name syntax to allow
faster typing. The response is always in long syntax.
11.1.6 Chaining Commands
Multiple commands can be chained in the same string. Each command is delimited
by a pipe character (“|”). When chaining commands, enter the message starting
character and the message closing character only once, at the beginning of the
string and at the end.
Commands in the string do not execute until the closing character is entered.
A separate response is sent for every command in the chain.
11.1.7 Maximum String Length
64 characters
NT-52P – Kramer Protocol 3000 47
Command
Description
#
Protocol handshaking
BUILD-DATE
Read device build date
COM-ROUTE
Set/get tunneling port routing
COM-ROUTE-ADD
Add communication route tunnel connection
COM-ROUTE-REMOVE
Remove communication route tunnel connection
DEL
Deletes a file
DIR
List files
ETH-PORT
Sets protocol port
ETH-TUNNEL
Get parameters for open tunnels
FACTORY
Restart the machine with the default
FORMAT
Format the file system
FS-FREE
Print free file space
GET
Get file content
GPIO-CFG
Set/get HW GPIO configuration
GPIO-STATE
Set/get HW GPIO state
GPIO-STEP
Set/get HW GPIO step
GPIO-THR
Set/get HW GPIO threshold voltage
GPIO-VOLT
Get HW GPIO voltage level
HELP
List of commands
IR-LEARN
Send IR learning command
IR-SND
Send IR command to port
IR-STOP
Stop IR command to port
LOGIN
Set/get protocol permission
LOGOUT
Demotes the terminal security level to minimum
MACH-NUM
Set device ID
MODEL
Read device model
NAME
Set/get device (DNS) name
NAME-RST
Reset device name to default
NET-DHCP
Set/get DHCP mode
NET-GATE
Set/get gateway IP
NET-IP
Set/get device IP address
NET-MAC
Get the MAC address
NET-MASK
Set/get the device subnet mask
PASS
Set/get the password for login level
PORT-LOCK
Set/get the port lock state
PORT-TYPE
Set/get the port type
PROT-VER
Get protocol version
RELAY-STATE
Set/get relay state
RESET
Reset device
SECUR
Set/get current security state
SN
Get device serial number
TIME
Set/get the time
TIME-LOC
Set/get local time offset from UTC/GMT
11.2 Kramer Protocol 3000 – Command List
48 NT-52P - Kramer Protocol 3000
Command
Description
TIME-SRV
Set/get time synchronization from server
UART
Set/get a port serial parameters
VERSION
Get firmware version number
#
#CR
~nn@SPOK CR LF
Validates the Protocol 3000 connection and gets the machine number
“#”,0x0D
11.3 Kramer Protocol 3000 – Detailed Commands
This section lists the detailed commands applicable to the NT-52P.
11.3.1 #
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Protocol handshaking
Get: - -
Response
Parameters
Response Triggers
Notes
-
End User Public
- -
Step-in master products use this command to identify the availability of a device
K-Config Example
NT-52P – Kramer Protocol 3000 49
-
BUILD-DATE?
#BUILD-DATE?CR
~nn @BUILD-DATE SP
CR LF
date – Format: YYYY/MM/DD where YYYY = Year, MM = Month, DD = Day
hh:mm:ss
“#BUILD-DATE?”,0x0D
11.3.2 BUILD-DATE
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: - -
Get: Get device build date
Response
dateSPtime
Parameters
- -
End User Public
time – Format:
Response Triggers
Notes
K-Config Example
where hh = hours, mm = minutes, ss = seconds
50 NT-52P - Kramer Protocol 3000
COM-ROUTE
COM-ROUTE?
␍
Get tunneling
port routing
#COM-ROUTE?
~nn @COM-ROUTE ␠
COM_Num – machine dependent
TCP client ("/0")
This command sets tunneling port routing. Every com port can send or receive data from the ETH port.
All com ports can be configured to the same ETH port.
Set COM1 as RS-232, port 1, Eth port 1, send replies, keep alive 30 seconds:
“#COM-ROUTE 1,1,1,1,30”,0x0D
11.3.3 COM-ROUTE
Functions Permission Transparency
Set:
Get:
Description Syntax
Set tunneling
Set:
port routing
Get:
Response
Parameters
portType – 1 (UDP), 2 (TCP)
ETHPort – TCP/UDP port number
ETH_rep_en – 1 (COM port sends replies to new clients), 0 (COM port does not send replies to new
clients)
TCP_keep_alive_timing – 0-3600 seconds – every x seconds the device sends an empty string to
Timeout – Keep alive timeout in seconds (1 to 3600)
Add COM1 port as TCP, port 1, Eth port 1, send replies, keep alive 30 seconds:
“#COM-ROUTE-ADD 1,1,1,1,30”,0x0D
COM-ROUTE-REMOVE
Get: - -
-
Remove a communication route
tunnel connection
Get: - -
~nn @COM-ROUTE-REMOVE ␠
ComNum – machine dependent
Remove comm port 1:
“#COM-ROUTE-REMOVE 1”,0x0D
11.3.4 COM-ROUTE-ADD
Functions Permission Transparency
Set:
Get: - - -
Description Syntax
Set:
Get: - -
Response
Parameters
portType – 1 (UDP), 2 (TCP)
EthPort – TCP/UDP port number
EthRepEn – 1 (COM port sends replies to new clients), 0 (COM port does not send replies to new clients)
Response Triggers
Notes
K-Config Example
Add a communication route tunnel
connection
11.3.5 COM-ROUTE-REMOVE
Functions Permission Transparency
Set:
Administrator Internal
#COM-ROUTE-ADD␠
omNum,PortType,EthPort,EthRepEn,Timeout
Administrator Internal
Description Syntax
Set:
Response
ComNum␍␊
Parameters
Response Triggers
Notes
K-Config Example
52 NT-52P - Kramer Protocol 3000
#COM-ROUTE-REMOVE␠ ComNum ␍
DEL
-
#DELSP
CR
~nn @DELSP
CR
file_name - name of file to delete (file names are case-sensitive)
“DEL test”,0x0D
Set:
DIR
Administrator
Public
Set:
List files in device
#DIRCR
Multi-line:
TAB
SPbytes. CR LF
free_size – free space in bytes in device file system
The response displays each tunnel in a separate line.
“ETH-TUNNEL? 1”,0x0D
11.3.8 ETH-PORT
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set Ethernet port protocol
Get: Get Ethernet port protocol
Response
portType,ETHPort
Parameters
Response Triggers
K-Config Example
Set ETH port 1 to UDP:
11.3.9 ETH-TUNNEL
Functions Permission Transparency
Description Syntax
Administrator Public
End User Public
portType,ETHPort
Get parameters for open tunnels
Response
~nn @ETH-TUNNEL ␠
Parameters
connections)
ComNum – UART number
portType – 1 (UDP), 2 (TCP)
EthPort – TCP/UDP port number
EthIp – client IP address
RemotPort – remote port number
EthRepEn – 1 (COM port sends replies to new clients), 0 (COM port does not send replies to new clients)
Response Triggers
Notes
K-Config Example
54 NT-52P - Kramer Protocol 3000
FACTORY
configuration
~nn @FACTORYSPOK CR LF
This command deletes all user data from the device. The deletion can take some time.
“#FACTORY”,0x0D
FORMAT
-
#FORMATCR
~nn @FORMATSPOK CR LF
“#FORMAT”,0x0D
11.3.10 FACTORY
Functions Permission Transparency
Set:
Get: -
Description Syntax
Set:
Get: - -
Response
Parameters
Response Triggers
Notes
Your device may require powering off and powering on for the changes to take effect.
K-Config Example
Reset device to factory default
11.3.11 FORMAT
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Format file system
Get: - -
Response
End User Public
- -
#FACTORYCR
Administrator Public
- -
Parameters
Response Triggers
Notes
Response could take several seconds until formatting completes
K-Config Example
NT-52P – Kramer Protocol 3000 55
-
FS-FREE?
#FS-FREE?CR
~nn @FS_FREESP
CR LF
free_size – free size in device file system in bytes
CurrentStep – the actual step depending on the measured voltage
In digital mode the response is 2
In other modes an error is returned
Set GPIO 2 step 1 to 50:
“#GPIO-STEP 2,1,50”,0x0D
11.3.15 GPIO-STATE
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set HW GPIO state
Get: Get HW GPIO state
Response
HwGpioNum,HwGpioState
Parameters
Response Triggers
Notes
an error message is sent.
The device uses this command to notify the user of any change regarding the step and voltage in:
In digital mode the answer is 0 (low), 1 (high)
K-Config Example
11.3.16 GPIO-STEP
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set HW GPIO step
Get: Get HW GPIO step
Response
HwGpioNumber
Parameters
NumOfStep – the configuration step – see note below
Response Triggers
Notes
In analog mode the response is 1 to 100
K-Config Example
58 NT-52P - Kramer Protocol 3000
GPIO-THR
End User
Public
GPIO-THR?
End User
Public
#GPIO-
THR␠ HwGpioNumber,LowLevel,HighLevel ␍
#GPIO-THR?␠ HwGpioNumber ␍
~nn @GPIO-THR␠
␍␊
HwGpioNumber – hardware GPIO number: 1-n
HighLevel – voltage 2000 to 30000 millivolts
Set GPIO 1 voltage levels between 600mV to 15000mV:
“#GPIO-THR 1,600,15000”,0x0D
Set:
- - -
GPIO-VOLT?
End User
Public
Set:
#GPIO-VOLT?␠ HwGpioNumber ␍
~nn @GPIO-VOLT ␠ HwGpioNumber,Voltage␍␊
HwGpioNumber – hardware GPIO number: 1-n
Voltage – voltage 0 to 30000 millivolts
“#GPIO-VOLT? 1”,0x0D
11.3.17 GPIO-THR
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set HW GPIO voltage levels
Get: Get HW GPIO voltage levels
Response
HwGpioNumber,LowLevel,HighLevel
Parameters
LowLevel – voltage 500 to 28000 millivolts
Response Triggers
Notes
K-Config Example
11.3.18 GPIO-VOLT
Functions Permission Transparency
Get:
Description Syntax
Get: Get voltage levels of HW GPIO
Response
Parameters
Response Triggers
Notes
This command is not available in digital out mode
K-Config Example
NT-52P – Kramer Protocol 3000 59
-
HELP
1. #HELPCR
#HELPSP
1. Multi-line: ~ nn@Device available protocol 3000 commands:CR LFcommand, SP
~nn @HELPSP
:CR LF
CR LFUSAGE:
CR LF
HELPSP COMMAND_NAMECR LF
“#HELP”,0x0D
IR-LEARN
-
#IR-LEARNSP CommandName,Timeout CR
~nn @IR-LEARN SP
CR LF
CommandName– String: IR command name limited to 15 chars. Controlling device must send the correct
7
Send the IR learning command volume up with a 3 second timeout:
PortNum – IR port (1 to 4) transmitting the command. ‘*’ broadcasts to all ports
“#IR-SND 3,04,vol_up,5,1,1,4E 23 C4…”,0x0D
11.3.21 IR-SND
Functions Permission Transparency
Set:
Get:
Description Synta x
Set: Send IR command to port
Get: - -
Response
PortNum,Cmdid,CmdName,Status
Parameters
Cmdid – serial number of command for flow control and response commands from device
CmdName – String: IR command name limited to 15 chars.
Repeat – number of times the IR command is transmitted (limited to 50; repeats > 50 are truncated to
50), 1 (default)
TotalPackages – number of messages the original command was divided into, 1 (default)
PackageNum – chunk serial number (only valid when Chnk_Num >1)
Pronto command – Pronto format command (in HEX format, without leading zeros or ‘0x’ prefix)
Send a volume up command to port 3 and repeat five times:
End User Public
- -
PortNum,Cmdid,CmdName,Repeat,
TotalPackages,PackageNum,<pronto command…>
NT-52P – Kramer Protocol 3000 61
IR-STOP
-
port
~nn @IR-STOP SP
CR LF
PortNum – IR port (1 to 4) transmitting the command. ‘*’ broadcasts to all ports
“#IR-STOP 2,06,power_off”,0x0D
11.3.22 IR-STOP
Functions Permission Transparency
Set:
Get:
Description Syntax
Set:
Get: - -
Response
Parameters
Cmdid – serial number of command for flow control and response commands from device
CmdName – a string, the alias of the IR command. The controlling device is responsible for sending the
correct name
Status – 0 (IR_SENT), 1 (IR_STOP), 2 (IR_BUSY), 3 (IR_WRONG_PARA M), 4 (IR-
NOTHING_TO_STOP)
Response Triggers
K-Config Example
Send a power off command to IR port 2:
Send IR stop command to
PortNum,Cmdid,CmdName,Status
End User Public
- -
#IR-STOPSP PortNum,Cmdid,CmdName CR
62 NT-52P - Kramer Protocol 3000
LOGIN
LOGIN?
#LOGINSP
CR
#LOGIN?CR
~nn @LOGIN SP
CR LF
PASS
When the permission system is enabled, LOGIN enables running commands with the User or
enable the permission system in order to use the device
Set the protocol permission level to Admin (when the password defined in the PASS command is 33333):
“#LOGIN Admin,33333”,0x0D
Set:
LOGOUT
Not Secure
Public
Set:
Cancel current permission level
#LOGOUTCR
~nn @LOGOUTSPOK CR LF
Logs out from User or Administrator permission levels
“#LOGOUT”,0x0D
11.3.23 LOGIN
Functions Permission Transparency
Set:
Get:
Description S yntax
Set: Set protocol permission
Get: Get current protocol permission level
Response
Set: ~nn @LOGIN SPlogin_level,passwordSP OK CR LF
or
~nn @LOGIN SPERRSP 004 CR LF (if bad password entered)
Get:
Administrator permission level
When set, login must be performed upon each connection
The permission system works onl y if security is enabled with the SECUR command. It is not mandatory to
K-Config Example
login_level
command). Default password is an empty string
Not Secure Public
Not Secure Public
login_level,password
11.3.24 LOGOUT
Functions Permission Transparency
Get:
Description S yntax
Get: - -
Response
Parameters
Response Triggers
Notes
K-Config Example
NT-52P – Kramer Protocol 3000 63
-
- -
MACH-NUM
#MACH-NUMSP
~nn @MACH-NUM SP
CR LF
machine_number – New machine number
“#MACH-NUM 4”,0x0D
Set: - -
-
MODEL?
Set: - -
#MODEL?CR
~nn @MODELSPmodel_name CR LF
This command identifies equipment connected to Step-in master products and notifies of identity changes
to the connected equipment. The Matrix saves this data in memory to answer REMOTE-INFO requests
“#MODEL?”,0x0D
11.3.25 MACH-NUM
Functions Permission Transparency
Set:
Get:
Description S ynta x
Set: Set machine number (device ID)
Get: - -
Response
machine_number
Parameters
Response Triggers
Notes
The new machine number is only set after restarting the device.
K-Config Example
11.3.26 MODEL
Functions Permission Transparency
End User Public
- -
machine_numberCR
Get:
Description Syntax
Get: Get device model
Response
Parameters
model_name – String of up to 19 printable ASCII chars
Response Triggers
Notes
K-Config Example
64 NT-52P - Kramer Protocol 3000
End User Public
NAME
NAME?
#NAMESP
CR
#NAME?CR
~nn @NAME? SP
CR LF
The machine name 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)
“#NAME NT-52P-4321”,0x0D
11.3.27 NAME
Functions Permission Transparency
Set:
Get:
Description S yntax
Set: Set machine (DNS) name
Get: Get machine (DNS) name
Response
Set: ~nn @NAMESPmachine_name CR LF
Get:
Parameters
machine_name - string of up to 15 alpha-numeric chars (can include hyphen, not at the beginning or end)
Response Triggers
Notes
K-Config Example
Set machine name to NT-52P-4321:
machine_name
Administrator Public
End User Public
machine_name
NT-52P – Kramer Protocol 3000 65
NAME-RST
-
factory default
~nn @NAME-RST SPOK CR LF
“#NAME-RST”,0x0D
NET-DHCP
NET-DHCP?
#NET-DHCPSP mode CR
Get:
Get DHCP mode
#NET-DHCP?CR
~nn @NET-DHCP SP
CR LF
mode – 0 (do not use DHCP. Use the IP address set by the factory or the NET-IP command), 1 (try to use
NET-IP
Connecting Ethernet to devices with DHCP may take more time in some networks
Consult your network administrator for correct settings
Enable DHCP mode, if available:
“#NET-DHCP 1”,0x0D
11.3.28 NAME-RST
Functions Permission Transparency
Set:
Get:
Description Syntax
Set:
Get: - -
Response
Parameters
Response Triggers
Notes
Factory default of machine (DNS) name is “KRAMER_” + 4 last digits of device serial number
K-Config Example
Reset machine (DNS) name to
11.3.29 NET-DHCP
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set DHCP mode
Administrator Public
- -
#NAME-RSTCR
Administrator Public
End User Public
Response
mode
Parameters
DHCP. If unavailable, use the IP address set by the factory or the
Response Triggers
Notes
To connect with a randomly assigned IP by DHCP, specify the device DNS name (if available) using the
NAME command. You can also get an assigned IP by direct connection to USB or RS-232 protocol port if
available
K-Config Example
66 NT-52P - Kramer Protocol 3000
command)
NET-GATE
NET-GATE?
#NET-GATESP
CR
#NET-GATE?CR
~nn @NET-GATE SP
CR LF
ip_address – gateway IP address, in the following format: xxx.xxx.xxx.xxx
“#NET-GATE 192.168.000.001”,0x0D
NET-IP
NET-IP?
#NET-IPSP
CR
#NET-IP?CR
~nn @NET-IP SP
CR LF
xxx.xxx.xxx.xxx
Consult your network administrator for correct settings
Set the IP address to 192.168.1.39:
“#NET-IP 192.168.001.039”,0x0D
11.3.30 NET-GATE
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set gateway IP
Get: Get gateway IP
Response
ip_address
Parameters
Response Triggers
Notes
A network gateway connects the device via another network, possibly over the Internet. Be careful of
security problems. Consult your network administrator for correct settings.
K-Config Example
Set the gateway IP address to 192.168.0.1:
11.3.31 NET-IP
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set IP address
Get: Get IP address
Response
ip_address
Parameters
ip_address – IP address, in the following format:
Response Triggers
Notes
Administrator Public
End User Public
ip_address
Administrator Public
End User Public
ip_address
K-Config Example
NT-52P – Kramer Protocol 3000 67
-
NET-MAC?
#NET-MAC?CR
~nn @NET-MAC SP
CR LF
mac_address – unique MAC address. Format: XX-XX-XX-XX-XX-XX where X is hex digit
“#NET-MAC?”,0x0D
Set:
NET-MASK
Administrator
Public
NET-MASK?
Set:
Set subnet mask
#NET-MASKSP net_mask CR
#NET-MASK?CR
~nn @NET-MASK SPnet_mask CR LF
xxx.xxx.xxx.xxx
The subnet mask limits the Ethernet connection within the local network
Set the subnet mask to 255.255.0.0:
“#NET-MASK 255.255.000.000”,0x0D
11.3.32 NET-MAC
Functions Permission Transparency
Set:
Get:
Description S yntax
Set: - -
Get: Get MAC address
Response
mac_address
Parameters
Response Triggers
Notes
K-Config Example
11.3.33 NET-MASK
Functions Permission Transparency
- -
End User Public
Get:
Description Syntax
Get: Get subnet mask
Response
Parameters
net_mask – format:
Response Triggers
Consult your network administrator for correct settings
Notes
K-Config Example
68 NT-52P - Kramer Protocol 3000
End User Public
PASS
PASS?
#PASSSP
CR
#PASS?SP login_levelCR
~nn @PASSSP
CR LF
login_level – level of login to set: User, Admin
The default password is an empty string
This device has a 14 digit serial number, only the last 11 digits are displayed
K-Config Example
NT-52P – Kramer Protocol 3000 73
TIME
TIME?
#TIMESP
CR
#TIME?CR
~nn @TIMESP
CR LF
day_of_week – one of: SUN, MON, TUE, WED, THU, FRI, SAT
hh:mm:ss
The year must be 4 digits
Date format – Day, Month, Year
“#TIME TUE,01-07-2015,09:45:00”,0x0D
Set:
TIME-LOC
End User
Public
TIME-LOC?
Set:
Set local time offset from UTC/GMT
#TIME-LOCSP UTC_off,DayLight CR
#TIME-LOC?CR
~nn @TIME-LOC SPUTC_off,DayLight CR LF
– 0 (no daylight saving time), 1 (daylight saving time)
Set the time offset to GMT +2, standard time:
“#TIME-LOC 2,0”,0x0D
11.3.42 TIME
Functions Permission Transparency
Set:
Get:
Description Syntax
Set: Set device time and date
Get: Get device time and date
Response
day_of_week,date,time
Parameters
date – format: DD-MM-YYYY
time – format:
Response Triggers
Notes
The device does not validate the day of week from the date
Time format – 24 hours
K-Config Example
Set the time to 09:45, Tuesday, 01-July-2015:
11.3.43 TIME-LOC
Functions Permission Transparency
Administrator Public
End User Public
day_of_week,date,time
Get:
Description Syn tax
Get: Get local time offset from UTC/GMT
Response
Parameters
UTC_off – offset of device time from UTC/GMT (without daylight time correction)
DayLight
Response Triggers
Notes
If the time server is configured, device time calculates by adding UTC_off to UTC time (that it got from the
time server) + 1 hour if daylight savings time is in effect
TIME command sets the device time without considering these settings
K-Config Example
74 NT-52P - Kramer Protocol 3000
End User Public
TIME-SRV
TIME-SRV?
#TIME-SRVSP
CR
#TIME-SRV?CR
~nn @TIME-SRV SP
CR LF
mode – 0 (off), 1 (on)
–
Connect the device to a time server at a given IP address, activate and sync at 6AM: