Grass Valley PVS Series System Guide v.4.0 Dec 10 200 - Manual (Page 31)

Board level block diagram
July 27, 2001 Profile XP System Guide 31
Motherboard
The Profile XP system motherboard contains 14 board slots. Each slot includes a
connection to the system PCI bus and the Video/Audio Transport Fabric. The video/
Audio transport fabric is an integrated 96x96 crosspoint switch which provides
uncompressed video (CCIR601) and audio (24bit) routing. Video is routed in
Applications Subsystem
The Applications Subsystem is a Windows NT computer system and includes the
following components:
Application Processor Board
The Application Engine is a standard NLX single board computer. The Application
Subsystem provides a platform for running Windows based applications for
configuring and controlling the Real Time Subsystem both locally and remotely. Rear
panel I/O includes:
• Mouse, Keyboard, and SVGA Connectors
• Two Serial Ports
• One Parallel Port
• Two USB Ports
• Audio Line Level IN/OUT, and Mic Input
• 10/100BASE-T RJ-45 Ethernet Port
RS422 Board
This RS-422 adapter is installed as part of the Applications Processor system under
Windows NT. Control applications running on the Application Processor receive
control commands from a remote protocol listener that monitors the RS-422 ports.
Real Time Subsystem
The Real Time Subsystem includes the following components:
Real Time Processor
The Real Time Processor board contains a real time processor and peripheral devices
and runs the VXWorks operating system.This board manages all the hardware
involved in controlling the flow of video, audio, timecode in and out of the system.
This includes video I/O boards, audio I/O boards, video compression boards, and
networking and storage. Other board functionality includes:
• Generation of system 27MHz clock and frame reference pulse locked to reference
video input.
• LTC In reader and LTC Out generator.
• VITC reader for reference video input.
• GPIO (8 In, 8 Out)
• Black generator and Colorbar generator used for loss of input or output video
conditions.