Ross VRC-100 Podręcznik Użytkownika Pobierz pdf (Strona 14)

2–4 • Overview NK-VRC User Guide (v03)

Resource management simplifies the operation of a router system by routing signals through a resource from one

router to another, without requiring the user to know which source and destination to which the resource is

connected. Once configured, the system will be able to automatically find the path between routers. Another

application for resource management is when a limited number of tie lines are to be shared between routers.

Multiple resources can be managed to enable more than one signal path between routers.

Figure 2.3 Example of resource management

How the Control Panels, Devices, and Routing Switchers Communicate

Switching

The control panels and devices send a virtual switch request message to the NK-VRC. The NK-VRC translates this

virtual request to physical requests, then sends these to the routing switchers. The routing switchers recognise the

requests, set the crosspoints, then send physical responses to the NK-VRC. The NK-VRC translates these physical

responses to virtual responses, then sends these to the control panels and devices.

Data Storage

The control panels and devices store information on the menu, destination, level, breakaway, and machine control

status. The routing switcher stores the crosspoint status in its internal memory. The NK-VRC stores mapping

information that correlates virtual sources and destinations with physical inputs and outputs, and the virtual status.

When the

routing switcher system is powered up, the routing switcher restores its crosspoint status. The control

panels

and devices request the status of the routing switcher via the NK-VRC. The NK-VRC switches the routing

switchers to match the stored virtual status, and also sends the virtual status to the control panels and devices.

 Establishing the virtual status may take several minutes, especially if the mapping table has many entries for

unassigned crosspoints.

ADC

DAC

Analog Router

[Level 1]

Digital Router

[Level 2]

nalog Silence

Analog Source Analog Destination

Digital Destination

Digital Source

Digital Silence

PC running

DashBoard

NK-VRC

RCP-NKM

RCP-NKQ

NK-IPS

T-Bus

Ethernet

Analog Audio

Digital Audio

NK-A16

NK-D16-72

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