You've made a great choice. We expect you will be very happy with your purchase of Ross Technology.
Our mission is to:
1. Provide a Superior Customer Experience
• offer the best product quality and support
2. Make Cool Practical Technology
• develop great products that customers love
Ross has become well known for the Ross Video Code of Ethics. It guides our interactions and
empowers our employees. I hope you enjoy reading it below.
If anything at all with your Ross experience does not live up to your expectations be sure to reach out to
us at solutions@rossvideo.com.
David Ross
CEO, Ross Video
dross@rossvideo.com
Ross Video Code of Ethics
Any company is the sum total of the people that make things happen. At Ross, our employees are a
special group. Our employees truly care about doing a great job and delivering a high quality customer
experience every day. This code of ethics hangs on the wall of all Ross Video locations to guide our
behavior:
1. We will always act in our customers’ best interest.
2. We will do our best to understand our customers’ requirements.
3. We will not ship crap.
4. We will be great to work with.
5. We will do something extra for our customers, as an apology, when something big goes wrong and
it's our fault.
6. We will keep our promises.
7. We will treat the competition with respect.
8. We will cooperate with and help other friendly companies.
9. We will go above and beyond in times of crisis. If there's no one to authorize the required action in
times of company or customer crisis - do what you know in your heart is right. (You may rent
helicopters if necessary.)
Page 3
NK-3RD · User Guide
• Ross Part Number: 9807DR-1020-04
• Release Date: November 30, 2016.
The information contained in this Guide is subject to change without notice or obligation.
Patent numbers US 7,034,886; US 7,508,455; US 7,602,446; US 7,802,802 B2; US 7,834,886; US 7,914,332; US
8,307,284; US 8,407,374 B2; US 8,499,019 B2; US 8,519,949 B2; US 8,743,292 B2; GB 2,419,119 B; GB
2,447,380 B; and other patents pending.
Notice
The material in this manual is furnished for informational use only. It is subject to change without notice and should
not be construed as commitment by Ross Video Limited. Ross Video Limited assumes no responsibility or liability
for errors or inaccuracies that may appear in this manual.
Page 4
Important Regulatory and Safety Notices to Service Personnel
Before using this product and any associated equipment, read all the Important Safety Instructions listed below
so as to avoid personal injury and to prevent product damage.
Products may require specific equipment, and /or installation procedures be carried out to satisfy certain regulatory
compliance requirements. Notices have been included in this publication to call attention to these Specific
requirements.
Symbol Meanings
The exclamation point within an equilateral triangle is intended to alert the user to the presence of
important operating and maintenance (servicing) instructions in the literature accompanying the product.
Failure to heed this information may present a risk of damage or injury to persons or equipment.
Warning — The symbol with the word “Warning” within the equipment manual indicates a potentially
hazardous situation, which if not avoided, could result in death or serious injury.
Caution — The symbol with the word “Caution” within the equipment manual indicates a potentially
hazardous situation, which if not avoided, may result in minor or moderate injury. It may also be used to
alert against unsafe practices.
Notice — The symbol with the word “Notice” within the equipment manual indicates a situation, which
if not avoided, may result in major or minor equipment damage or a situation, which could place the
equipment in a non-compliant operating state
Warning Hazardous Voltages — The lightning flash with arrowhead symbol within an equilateral
triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the
product's enclosure that may be of sufficient magnitude to constitute a risk of shock to persons.
ESD Susceptibility — This symbol is used to alert the user that an electrical or electronic device or
assembly is susceptible to damage from an ESD event.
Important Safety Instructions
1. Read these instructions.
2. Follow all instructions and heed all warnings.
3. Refer all servicing to qualified service personnel.
4. The equipment’s external power supply AC appliance inlets are the means to disconnect the product from the
AC Mains and must remain readily operable for this purpose.
5. To avoid the risk of electrical shock and to completely disconnect the apparatus from the supply AC appliance
inlets prior to servicing.
6. The safe operation of this product requires that a protective earth connection be provided. A grounding
conductor in the equipment's external power supply line cord provides this protective earth. To reduce the risk
of electrical shock to the operator and service personnel, this ground conductor must be connected to an earthed
ground.
7. Indoor Use:
moisture.
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or
8.
WARNING: This product includes an “Ethernet Port” for connection to a local area network (LAN). This
Ethernet port interface is designed for intra-building networks only. Do not connect this port to networks that
go outside of the building.
Page 5
EMC Notices
US FCC Part 15
This equipment has been tested and found to comply with the limits for a class A Digital device, pursuant to part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a Commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
Notice — Changes or modifications to this equipment not expressly approved by Ross Video Ltd. could
void the user’s authority to operate this equipment.
CANADA
This Class “A” digital apparatus complies with Canadian ICES-003.
Cet appareil numerique de la classe “A” est conforme a la norme NMB-003 du Canada.
EUROPE
This equipment is in compliance with the essential requirements and other relevant provisions of CE Directive
93/68/EEC.
INTERNATIONAL
This equipment has been tested to CISPR 22:1997 along with amendments A1:2000 and A2:2002 and found to
comply with the limits for a Class A Digital device.
Notice — This is a Class A product. In domestic environments, this product may cause radio
interference, in which case the user may have to take adequate measures.
Warranty and Repair Policy
The product is backed by a comprehensive one-year warranty on all components.
Notice — Changes or modifications to this equipment not expressly approved by Ross Video Limited
could void the user’s authority to operate this equipment.
If an item becomes defective within the warranty period Ross will repair or replace the defective item, as
determined solely by Ross.
Warranty repairs will be conducted at Ross, with all shipping FOB Ross dock. If repairs are conducted at the
customer site, reasonable out-of-pocket charges will apply. At the discretion of Ross, and on a temporary loan basis,
plug in circuit boards or other replacement parts may be supplied free of charge while defective items undergo
repair. Return packing, shipping, and special handling costs are the responsibility of the customer.
This warranty is void if products are subjected to misuse, neglect, accident, improper installation or application, or
unauthorized modification.
In no event shall Ross Video Limited be liable for direct, indirect, special, incidental, or consequential damages
(including loss of profit). Implied warranties, including that of merchantability and fitness for a particular purpose,
are expressly limited to the duration of this warranty.
This warranty is TRANSFERABLE to subsequent owners, subject to Ross’ notification of change of ownership.
Extended Warranty
For customers that require a longer warranty period, Ross offers an extended warranty plan to extend the standard
warranty period by one year increments. For more information, contact your regional sales manager.
Page 6
Environmental Information
The equipment that you purchased required the extraction and use of natural resources for its production. It may
contain hazardous substances that could impact health and the environment.
To avoid the potential release of those substances into the environment and to diminish the need for the extraction
of natural resources, Ross Video encourages you to use the appropriate take-back systems. These systems will reuse
or recycle most of the materials from your end-of-life equipment in an environmentally friendly and health
conscious manner.
The crossed-out wheeled bin symbol invites you to use these systems.
If you need more information on the collection, reuse, and recycling systems, please contact your local or regional
waste administration.
You can also contact Ross Video for more information on the environmental performances of our products.
Interface Elements .................................................................................................................................................9
User Entered Text .................................................................................................................................................9
Menu Sequences ....................................................................................................................................................9
Important Instructions ...........................................................................................................................................9
Contacting Technical Support .............................................................................................................................10
Overview 11
Features ..................................................................................................................................................................11
Supported NK Devices ..........................................................................................................................................12
Typical System Equipment ....................................................................................................................................12
System Overview ...................................................................................................................................................13
Installation 15
Unpacking the Equipment ...................................................................................................................................... 15
General ...................................................................................................................................................................15
Device Controls – Front .........................................................................................................................................15
Connecting Power .................................................................................................................................................. 16
Connecting to Third-Party Devices ....................................................................................................................... 17
Connecting to NK Series Routers ..........................................................................................................................17
Setting Up the NK-3RD 19
Accessing the NK-3RD Interface in DashBoard ................................................................................................... 19
Viewing and Changing Device Details ..................................................................................................................20
Changing Device Details on the NK-3RD .......................................................................................................... 20
Configuring the NK-3RD ......................................................................................................................................21
Status Request ........................................................................................................................................................23
This guide is for installers and operators of the Ross Video NK-3RD. It provides instructions on how to connect the
NK-3RD into your routing switcher system, how to configure the NK-3RD using DashBoard, and how to operate it.
It assumes that you are experienced with general broadcast concepts, and that you are familiar with the planning
requirements for a routing switcher system.
This guide covers the configuration and operation of the NK-3RD. The following chapters are included:
• Chapter 1, “Introduction” summarizes the guide and provides important terms, and conventions.
• Chapter 2, “Overview” provides general information to keep in mind before configuring your NK-3RD within a
routing system.
• Chapter 3, “Installation” provides guidelines and instructions for physically installing your NK-3RD.
• Chapter 4, “Setting Up the NK-3RD” provides instructions for displaying the NK-3RD in DashBoard, and
configuring the NK-3RD device details.
• Chapter 5, “Operating the NK-3RD” provides general information for establishing communications with third
party devices.
• Chapter 6, “Third Party Protocols” lists the third-party protocol commands the NK-3RD supports.
If you have questions pertaining to the operation of NK-3RD, contact us at the numbers listed in the section
“Contacting Technical Support”. Our technical staff is always available for consultation, training, or service.
Documentation Conventions
Special text formats are used in this guide to identify parts of the user interface, text that a user must enter, or a
sequence of menus and sub-menus that must be followed to reach a particular command.
Interface Elements
Bold text is used to identify a user interface element such as a dialog box, menu item, or button. For example:
In the Save As dialog, click
OK.
User Entered Text
Courier text is used to identify text that a user must enter. For example:
In the Language box, enter
English.
Referenced Guides
Italic text is to identify the titles of referenced guides, manuals, or documents. For example:
For more information, refer to the DashBoard User Guide.
Menu Sequences
Menu arrows are used in procedures to identify a sequence of menu items that you must follow. For example, if a
step reads “File > Save As,” you would click the File menu and then click Save As.
Important Instructions
Star icons are used to identify important instructions or features. For example:
 The NK-3RD resets if configuration items are changed.
NK-3RD User Guide (v04)Introduction • 9
Page 10
Contacting Technical Support
At Ross Video, we take pride in the quality of our products, but if problems occur, help is as close as the nearest
telephone.
Our 24-hour Hot Line service ensures you have access to technical expertise around the clock. After-sales service
and technical support is provided directly by Ross Video personnel. During business hours (Eastern Time),
technical support personnel are available by telephone. After hours and on weekends, a direct emergency technical
support phone line is available. If the technical support person who is on call does not answer this line immediately,
a voice message can be left and the call will be returned shortly. This team of highly trained staff is available to
react to any problem and to do whatever is necessary to ensure customer satisfaction.
• Technical Support: (+1) 613-652-4886
• After Hours Emergency: (+1) 613-349-0006
• E-mail: techsupport@rossvideo.com
• Web site: http://www.rossvideo.com
10 • IntroductionNK-3RD User Guide (v04)
Page 11
Overview
The NK-3RD enables a third-party control system to control an NK Series routing switcher system using the
SW-P-08 (General Remote Control), SW-P-02 (General Switcher Communication), Jupiter ESswitch, or GVG
Native protocol. With Ross Video’s reputation for delivering leading edge routing switcher equipment and our
unsurpassed level of customer service and support, you can look forward to many years of reliable broadcasting.
Features
The NK-3RD Routing Switcher provides the following features:
• Works with any NK Series router
• Supports crosspoint switch commands, and crosspoint status requests
• Up to 1024 outputs may be controlled
• Up to 1024 inputs may be controlled
• Supports up to 16 levels
• Matrix number can be configured, up to a maximum of 16 (Probel SW-P-08 protocol only)
• Virtual routing is supported through NK-VRC Virtual Routing Core
• Firmware is fully upgradeable using DashBoard
• Slim, modular design integrates with NK Series routers via T-Bus
• Minimal configuration required for operation. Default settings allow it to work with any NK Series router.
Supported Protocols
• Prober's General Remote Switcher (SW-P-08) protocol. System3 refers to a subset of the protocol's functionality.
For System3, Probel matrix number begins with 0, and levels start from 0.
• SW-P-02 protocol.
• The SW-P-08 and SW-P-02 use an RS422 physical layer.
• Grass Valley Jupiter ESswitch protocol.
• GVG Native protocol.
• The NK-3RD serial port is configured for 1 stop bit and odd parity for all protocols. The Baud Rate is selectable
between 38400 or 19200 baud.
 This may require adjusting the parity setting at the other end of the serial line. If the controller does not support
configurable serial settings, please contact Ross Video Tech Support for help.
• NK switching protocol version 2 via T-Bus for Ross Video router control.
• Ross Video Generic Device Protocol for full configuration through DashBoard and the NK-IPS.
Supported Commands
The NK-3RD supports a limited command set from each protocol. Switch request and status response commands
enable the NK-3RD to effectively integrate with other third party devices with the minimum of configuration and
overhead.
For More Information on...
• the protocol specific commands, refer to the chapter “Third Party Protocols” on page 25.
NK-3RD User Guide (v04)Overview • 11
Page 12
Supported NK Devices
Third-Party
Control System
NK-3RD ThirdParty Interface
NK Series
Router
requestrequest
response
response
Third Party
Protocol
NKv2
Protocol
The NK-3RD can be controlled by any system that implements SW-P-08, SW-P-02, Grass Valley Jupiter ESswitch,
or GVG Native protocol.
Typical System Equipment
The NK-3RD is used to control a Ross Video NK Series router using the SW-P-08, SW-P-02, ESswitch, or GVG
Native protocol. A simple system would include:
• NK Series Router
• NK-3RD Third-Party Interface
• Third-party control system implementing SW-P-08, SW-P-02, ESswitch, or GVG Native protocol.
Any number of NK Series routers can be controlled, and full NK Series control can be implemented, with control
panels and DashBoard.
NK-3RD Functional Overview
On power up the NK-3RD requests the complete NK Series status or tally information. The third-party systems
must request this status on startup as required. The NK-3RD will also send status change messages from the
NK Control System, so polling is not required (protocol dependent).
Figure 2.1 Block Diagram Example of Protocol Emulation
Any switch requests or commands received by the converter are converted to NK Series switch or tally (status)
requests.
The output and level are sent straight to the NK Series router as received. So to control an NK-3G router in its
default setting, the third-party control system must be configured to use Level 1.
12 • OverviewNK-3RD User Guide (v04)
Page 13
System Overview
NK-IPS Network Bridge
ETHERNET
LINK ACT1 2 3 4 5 6 7 8
T-BUS
RESET
NK-IPS
Internet Protocol Server
NK-3RD 3RD Party I/F
A B C DRESET
NK-3RD
Third Party Router Interface
Dest 1 Dest 2 Dest 3 Dest 4 Dest 5 Dest 6 Dest 7 Dest 8
SDI
Level
Level
Audio 1
Level
Audio 2
Level
ANLG 1
Level
SDI A1
Level
SDI A2
SRC 1 SRC 2 SRC 3
Level
AES 1
Level
AES 2
Level
ANLG 2
Level
SDI B1
Level
SDI B2
BWAY
SDI
NK Routing Systems
NK Series
Remote Control Panel
NK-3G16 SDI Router
NK Series
Router Level
Computer or
Control/Automation System
Ethernet
T-BUS
Third Party Protocol
Internet / LAN / VPN
PC running DashBoard
The NK Series system may be as complex or as simple as required. A medium scale system is shown with control
panels and DashBoard. It is important to note that control panels and DashBoard are not required for the simplest
installation, which would be a single router level.
Figure 2.2 Example Routing Switcher System Using NK-3RD
Note:
• All T-Bus connections use straight-through CAT5 cables.
• If the NK-IPS is connected directly to the Ethernet port of a PC, a cross-over CAT5 cable is used.
• If the NK-IPS is connected to a network hub or switch, a straight-through CAT5 cable is used.
NK-3RD User Guide (v04)Overview • 13
Page 14
14 • OverviewNK-3RD User Guide (v04)
Page 15
Installation
 We recommend that the equipment is installed by qualified and experienced personnel to the relevant standards
and approvals.
Unpacking the Equipment
On receiving your NK-3RD, check the contents against the packing list. Make sure that all equipment itemized on
the packing list is present before you start installing the NK-3RD into your routing switcher system.
Open the packing case and examine the contents for signs of damage. If you notice any damage, contact Ross Video
immediately to organize return of the equipment.
General
These installation guidelines assume the following:
• The relevant NK Series equipment has been installed into a ventilated rack frame. The relative humidity in the
environment of the equipment should be < 70% (non-condensing), and the ambient temperature should be
< 30°C (86°F).
• The routing switcher system has been planned and designed. Consideration must be given to inputs and outputs
across multiple router levels, and typical operating scenarios for breakaways.
• Correct IP addresses have been assigned to the necessary equipment.
• The routers are connected to physical inputs and outputs, and have appropriate NK Series power supplies.
• All NK Series equipment connected in the routing switcher system has firmware v2.00 or later. For information
on updating the firmware in a device see the readme file that comes with the firmware.
 If the operating environment is not achievable, then routers and remote control panels should be installed with
1RU between each module.
For information on how to set the IP address in an NK-IPS see the documentation provided with the device.
Device Controls – Front
NK-3RD
3RD Party I/F
1. Heartbeat LED
The Heartbeat LED is a white LED that softly pulses to show that the device is operational. It will quickly flicker
to show the following events:
• NK switch or status response
• Configuration command addressed to this device
• Third party crosspoint switch command received
2. Reset Button
A B C DRESET
Figure 3.1 Front Panel
The reset button will force a hard reset of the device. It is slightly recessed to prevent accidental operation.
NK-3RD User Guide (v04)Installation • 15
Page 16
3. Comms Activity LEDs
The Comms activity LEDs light to show serial communication activity. They show the following status:
Table 3.1 Comms Activity LEDs
LEDMonitorsDetails
AThird-Party RxSerial data is being received from third-party device.
BThird-Party TxSerial data is being transmitted to third-party device.
CNK RxSerial data is being received from NK Control System.
DNK TxSerial data is being transmitted to NK Control System.
Device Controls – Rear
Third-Party
POWER
T-BUS
1. Power Connector
RS-422
Interface Port
Figure 3.2 Rear Panel
The supplied power connects here.
2. T-Bus Ports
This is an RJ-45 socket for connecting to the T-Bus. T-Bus is a modified RS-485 serial communications link used
by NK Series devices. Connect to NK Series devices using straight-through CAT5 cables.
There are two T-Bus sockets which are passively connected to create a “loop through” connection.
3. Third-Party Port
This is a female DB9 connector wired for standard RS-485/RS-422 communications. Use this to connect to the
third-party device that will be controlling the system.
Connecting Power
The NK-3RD is powered using the 15V 3.3A power supply provided. This power supply connects directly to the
AC mains supply.
Warning — Always use the region-specific power supply and cable provided with the equipment.
 The NK-3RD does not receive nor contribute to power via the T-Bus connector (phantom power).
16 • InstallationNK-3RD User Guide (v04)
Page 17
Connecting to Third-Party Devices
The NK-3RD connects to third-party devices using RS-422 over standard DB9 cables. Figure 3.3 shows the pinout
designations for the DB9 connector.
Figure 3.3 NK-3RD DB9 — Pinout Assignment
Table 3.2 DB-9 Pinout Assignments
PinFunction
1GND
2Rx-
3Tx+
4GND
5N/C
6GND
7Rx+
8Tx-
9GND
Connecting to NK Series Routers
Connect to NK Series routers using straight-through CAT5 cables.
NK-3RD User Guide (v04)Installation • 17
Page 18
18 • InstallationNK-3RD User Guide (v04)
Page 19
Setting Up the NK-3RD
The NK-3RD can be configured using DashBoard. DashBoard must be run on a computer that has a physical wired
ethernet connection to either an NK-IPS or NK-NET. Wireless connections do not allow device discovery. This
chapter provides instructions for displaying the NK-3RD in DashBoard, and configuring the NK-3RD details.
Accessing the NK-3RD Interface in DashBoard
The NK-3RD displays in the DashBoard Tree View as a sub-node of the NK-IPS or NK-NET that the NK-3RD is
physically connected to. The NK-3RD interface is organized into three panes: Device Details, Configuration, and
Device Control.
 You need an NK-IPS connected to the system to configure the NK-3RD via DashBoard.
For More Information on...
• downloading and installing the DashBoard client software, refer to the DashBoard User Manual.
To launch DashBoard
1.Ensure that you are running DashBoard software version 8.0 or higher.
2.Launch DashBoard by double-clicking its icon on your computer desktop.
To access the NK-3RD interfaces in DashBoard
1.Locate the NK-3RD in the Tree View of DashBoard.
2.Double-click the node for the corresponding NK-3RD that you want to configure.
The NK-3RD interface opens in the right-side of the DashBoard window.
NK-3RD User Guide (v04)Setting Up the NK-3RD • 19
Page 20
Viewing and Changing Device Details
When a device attached to the NK-IPS is interrogated, a tab for the device appears in the main pane of DashBoard.
Information is read from the device and shown in the device tab. Tab le 4. 1 outlines the Device Details that are read
from the NK-3RD.
Table 4.1 Device Details that are read from the NK-3RD
ItemDescription
Serial NumThe serial number of the device. This is set in the factory. It is unique to the device. This
parameter is read-only.
VersionThe version status of the firmware detected in the device. This parameter is read-only.
NameThe name for the device. The default name for the NK-3RD is “NK-3RD”. This parameter
may be changed to any name that uniquely identifies the device. The name may be up to 16
characters in length.
GroupThe group to which the device belongs. This parameter is used to identify items of equipment
that may be in the same location or used for a similar purpose, for example, equipment in the
same rack, or a logical grouping of modules that may be operated as a group. The group
identifier may be up to 10 digits in length.
DetailsThe meaningful details of the device. This parameter is used to specifically identify this
device from other devices, for example, OBV Rack 1. The details may be up to 16 characters
in length.
AddressThe address is used by each device in the routing switcher system to identify itself to other
devices during communication. The default address for the NK-3RD is 248. Devices should
have a unique address.
Changing Device Details on the NK-3RD
To change device details on the NK-3RD
1.In the Device Details frame, click inside the field that you want to change.
2.Enter the information as required.
3.Click
Send Configuration.
The Send Config to NK Device window opens.
4.Click
5.Click
20 • Setting Up the NK-3RDNK-3RD User Guide (v04)
Send.
Refresh to refresh the data and verify that the updated device details were loaded to the device.
Page 21
Configuring the NK-3RD
The NK-3RD configuration should be reviewed and set as required before use.
To change the configuration on the NK-3RD
1.Locate the Configuration area in the NK-3RD DashBoard interface.
2.Use the Protocol menu to select the type of protocol for the third-party control system to use to control the NK
Series routing switcher system via the NK-3RD. Choose from the following:
• Probel SW-P-08
• Probel SW-P-02
• Jupiter ESswitch
• GVG Native
3.If an NK-VRC is used in the routing system, select the Virtual Routing Enabled box.
4.Use the Matrix Number field when the Protocol is set to Probel SW-P-08. This protocol allows up to 16
matrices (0 to 15) to be connected. The Matrix Number value selects which matrix number this NK-3RD will
be responding to. By default this is set to 0. This value should correspond to the setting in the third-party
device.
5.Use the Baud Rate menu to select either 19200 or 38400 baud for the serial communications. The default is
38400.
6.If you are using the Probel SW-P-02 protocol, select the level of the NK system to be controlled.
7.Click
Send Configuration.
The Send Config to NK Device window opens.
8.Click
9.Click
Send.
Refresh to refresh the data and verify that the configuration was loaded to the device.
If configuration items have changed, the device will reset.
NK-3RD User Guide (v04)Setting Up the NK-3RD • 21
Page 22
Default Configuration
Every NK Series device leaves the factory with a default configuration. This default configuration is viewed by
opening the editor for the device in DashBoard. If you have made changes to the configuration, but want to return to
the default values, you can send the default document to the device.
Tab le 4 .2 provides the default values.
Table 4.2 NK-3RD Default Values
Item NameValue
NameNK-3RD
Details–
Group–
Address248
Virtual Routing Enabledfalse
Matrix Num0
22 • Setting Up the NK-3RDNK-3RD User Guide (v04)
Page 23
Operating the NK-3RD
Third-Party Device Configuration
The third-party device will need to be configured to output SW-P-08, SW-P-02, ESswitch, or GVG Native
commands on the RS-422 serial port. This is device specific, and users should consult the documentation that
comes with the third party-device.
For correct operation, the following conditions need to be met:
• The third-party device needs to be configured to send SW-P-08, SW-P-02, ESswitch, or GVG Native commands
on the RS-422 port to which the NK-3RD is connected.
• The NK-3RD external port uses 38.4k or 19.2k baud data rate, with 1 stop bit and ODD parity.
This may require adjusting the parity setting at the other end of the serial line (e.g. on the automation server,
etc.). If the controller does not support configurable serial parity settings, contact Ross Video Tech Support for
additional support/help.
• The third-party device needs to be configured to use the same matrix number as the NK-3RD. The NK-3RD is by
default set to 0. This is the lowest possible matrix number. If the third-party device gives a 0 (zero) option, then it
should be selected.
• The third-party device needs to be configured to output the same level number as the NK Series router level that
it is controlling. For example, an NK-3G router will use level 1.
• The third party device needs to have an output range set that matches the router level being controlled. For
example, an NK-3G144 router uses outputs 1 to 144 by default.
• The third party device may need to have labels configured. If so, it will also need to be told to use its internal
labels rather than requesting them from the SW-P-08, SW-P-02, ESswitch, or GVG Native protocol. The
NK-3RD does not send label information.
Status Request
When a status request is received by the NK-3RD, it responds with the selected destination current status. The
format of the response is protocol dependent.
This operation does not require any communication with the NK system, as the NK-3RD keeps a complete copy of
the NK system status. This cache is updated by the NK system upon status change.
Switch Request
When a Switch or Take request is received by the NK-3RD, it sends a switch command to the NK system.
A switch response from the NK router will cause the NK-3RD internal cache to be updated. Any third-party
communications upon this response is protocol dependent. It is the responsibility of the third-party device to
manage retries.
Device Logging
The NK-3RD may log the communications between a third party device and the NK system. This is useful for
debugging communication errors. As the NK-3RD has limited internal capacity (1000 entries), two logging
functions are provided:
• Start-up — Logs the large amount of communications at device start-up.
• Rolling — Logs the on going communications. The log will 'roll over' to the start once 1000 entries is reached.
 It is recommended for device performance that logging not be enabled for normal operation.
NK-3RD User Guide (v04)Operating the NK-3RD • 23
Page 24
To enable logging
1.Locate the Log area in the NK-3RD DashBoard interface.
2.Use the Mode menu in the log area to specify the logging mode. Choose from the following:
3.Send the configuration to the NK-3RD as follows:
a. Click
b. Click
c. Click
To view the log entires
Send Configuration.
Send.
Refresh to refresh the data and verify that the updated device details were loaded to the device.
1.Ensure logging is enabled for the specific NK-3RD you wish to monitor.
2.Click
Refresh on the NK-3RD interface.
The log entries displays in DashBoard.
24 • Operating the NK-3RDNK-3RD User Guide (v04)
Page 25
Third Party Protocols
The NK-3RD Third-Party Interface enables a third-party control system to control an NK Series routing switcher
system using the SW-P-08, SW-P-02, Jupiter ESswitch, or GVG Native protocol. Using one of these protocols, an
NK Series router can emulate a third-party router (limited to crosspoint switching and crosspoint status/tally
requests). This allows a third-party automation system using the third-party’s system protocol to control an NK
Series router.
For More Information on...
• these commands, refer to the appropriate third party equipment’s protocol documentation.
Supported Protocols
The NK-3RD implements a subset of the supported protocols, allowing crosspoint switching and status updating
with minimal configuration. The following protocols are supported by the NK-3RD:
Table A.1 NK-3RD Supported Protocols
NameVersion Supported
Probel SW-P-08Issue 13 08/09/98
Probel SW-P-02SW-P-88 issue 1 20/03/01
Jupiter ESswitchRevision E 18/10/01
GVG Native071-0201-01
Implemented Probel SW-P-08 (General Remote Control Protocol) Messages
• CROSSPOINT INTERROGATE
• CROSSPOINT TALLY
• CROSSPOINT CONNECT
• CROSSPOINT CONNECTED
Implemented Probel SW-P-02 (General Switcher Communication Protocol) Messages
• INTERROGATE
•TALLY
• CONNECT
• CONNECTED
Implemented Jupiter ESswitch Messages
• KW_START_UP_RESPONSE
• KW_PRESET
› IF_MATRIX_POINTER
› IF_LEVEL_POINTER
› IF_SOURCE_POINTER
› IF_DESTINATION_POINTER
• KW_CONNECT_CROSSPOINT
•KW_READ
• KW_IF_ITEM_RESPONSE
› IF_SOURCES_TO_DEST
NK-3RD User Guide (v04)Third Party Protocols • 25
Page 26
Implemented GVG Native Messages
Table A.2 Implemented GVG Native Messages
MessageNotes
BK,DForces next QJ to return all destination statuses.
QI / QiQuery Destination by Index.
Returns current connected source index.
QJ / QjQuery Destination by Index.
Returns current connected source index for all levels.
TIRequest Take Index with Level Index.
No response.
TJRequest Take Index with Level Bitmap.
No response.
26 • Third Party ProtocolsNK-3RD User Guide (v04)
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