Imagestore 750 User Manual
Installation
Miranda Technologies Inc.
Page 279
GPIO/LTC
Imagestore 750 with Dolby options has additional RS485 serial ports on the
rear, which are dedicated to Dolby metadata. Dolby Metadata is transmitted
on a serial RS485 link as an intermittent and asynchronous serial data stream,
bursts of data occur at the video frame rate.
The RS485 ports are accommodated in a 44-way GPIO connector.
This connector contains a variety of signals:
•
General Purpose Interface port
o
16 General Purpose Interface ports, software configurable
as inputs or outputs
o
1 GP_+12V supply (500mA max)
o
1 GP_+5V supply (500mA max)
o
1 GP_GND ground pin for GPI interface
•
Linear Time Code port (LTC+, LTC-, LTC_GND)
•
Total DC Fail Alarm
o
2 pin “contact closure” for Total DC voltage failure
condition within the Imagestore 750 unit
o
Otherwise, when unit is normally powered, these 2 pins are
isolated.
o
May be used to switch on some external warning
buzzer/lamp (provided this is less than 400mA, and less
than 25V)
•
Dolby Metadata RS485 serial ports
o
4 ports, 4 differential signals
Summary of Contents for imagestore 750
Page 12: ...Preface Imagestore 750 User Manual Page 12 Miranda Technologies Inc ...
Page 186: ...Front Panel Operations Imagestore 750 User Manual Page 186 Miranda Technologies Inc ...
Page 210: ...RCP Operations Imagestore 750 User Manual Page 210 Miranda Technologies Inc Transitions ...
Page 216: ...RCP Operations Imagestore 750 User Manual Page 216 Miranda Technologies Inc ...
Page 250: ...Graphics Co Processor Imagestore 750 User Manual Page 250 Miranda Technologies Inc ...
Page 268: ...Web Page Imagestore 750 User Manual Page 268 Miranda Technologies Inc ...
Page 274: ...Installation Imagestore 750 User Manual Page 274 Miranda Technologies Inc ...
Page 284: ...Installation Imagestore 750 User Manual Page 284 Miranda Technologies Inc ...
Page 288: ...Support Imagestore 750 User Manual Page 288 Miranda Technologies Inc ...
Page 292: ...Imagestore Specifications Imagestore 750 User Manual Page 292 Miranda Technologies Inc ...
Page 345: ...Imagestore 750 User Manual Dolby Decode Encode Miranda Technologies Inc Page 345 ...
Page 347: ...Imagestore 750 User Manual Dolby Decode Encode Miranda Technologies Inc Page 347 ...
Page 392: ...Up Mix Imagestore 750 User Manual Page 392 Miranda Technologies Inc ...
Page 400: ...Software Update Imagestore 750 User Manual Page 400 Miranda Technologies Inc ...
Page 420: ...Menu Tree Imagestore 750 User Manual Page 420 Miranda Technologies Inc ...