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NK-VRC User Guide (v03) Operating the NK-VRC • 7–1

Operating the NK-VRC

General

The NK-VRC operates transparently between all remote control panels, controlling devices (NK-GPI, NK-JBX),

and the routing switcher system. There are four LEDs and a reset port on the front panel of the NK-VRC.

Remote control panels are used to switch virtual sources and destinations, therefore, the keys on the remote control

panels should reflect this virtual context.

If resource management is in use, the panels with a display will indicate when a resource is in use. Additionally,

control panels can be configured to have a resource de-allocate button to manually release a resource that is in use.

For More Information on...

• control panels, refer to the user guide of the respective control panel.

LED Indicators

The front panel of the NK-VRC has four LEDs. During startup, these LEDs flash five times to show that they are

functional and to indicate that the NK-VRC is initializing.

During normal operation, the LEDs indicate the flow of requests and responses between the remote control panel

and the routing switcher.

The LEDs operate sequentially. LED A illuminates when a switch is requested on the remote control panel. LED A

switches off when LED B illuminates, indicating that the virtual switch request has been processed to a physical

switch request and sent to the routing switcher. LED B remains illuminated until the NK-VRC receives a physical

response from the routing switcher that the switch has been made; LED C illuminates at this point. LED C switches

off when LED D illuminates, indicating that the physical switch response has been processed to a virtual switch

response and sent to the remote control panel. LED D switches off automatically after a short delay.

When a successful switch request is made from a remote control panel that is working in a routing switcher system

with an NK-VRC, the LEDs illuminate rapidly from A through D.

Table 7.2 LED indicators on the front panel of the NK-VRC

LED Function

A Shows that a virtual switch request has been received at the NK-VRC from a remote

control panel.

B Shows that a physical switch request has been sent from the NK-VRC to a routing

switcher.

C Shows that a physical switch response has been received at the NK-VRC from a routing

switcher.

D Shows that a virtual switch response has been sent from the NK-VRC to a remote control

panel.

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