GPRT016 - BALBOX GPI Inserter/Extractor

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ÀÔ·Â : 1 x SDI, 16 x GPI
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GPRT016 - BALBOX GPI Inserter/Extractor.

The GPRT016 allows up to 16 GPI signals to be transported in one line of the vertical blanking interval of an SDI video signal. Two SDI outputs are provided. The unit may be set by the user to insert or extract data. In the insert mode, the inputs are simply 16 contact closures. In the extract mode, common collector outputs are provided, to enable driving of relays and lamps if required. Two units are required to provide a GPI link. A bypass relay is incorporated to route the SDI input to the ¡®main¡¯ SDI output to ensure signal continuity in the event of power failure, or under user control. By cascading two or more units it is possible to achieve redundancy, or embed more than 16 GPI signals in one SDI signal. The unit has an integral mains power supply.



SDI INPUT CHARACTERISTICS
Input signal: 270Mb/s serial digital video to SMPTE RP259M
Line standard: 625/50 or 525/60 automatically detected
Cable equalization: up to 250m of Belden 8281 coaxial cable or similar
Input impedance: 75 ohm terminating
Input return loss: >15dB
Input connector: BNC socket

GPI CHARACTERISTICS
No of circuits: 16.
Inputs (in insert mode): Contact closure to ground (must be held closed for at least 20ms)
Outputs (in extract mode): Common collector (35V max, at 50mA per output).
GPI Data connector: 37way sub-miniature D-type socket, with screw-locks.

SDI OUTPUT CHARACTERISTICS
No of outputs: 2
Output signal 270Mb/s serial digital video to SMPTE RP259M
Bypass: Power fail/user select between SDI input and main SDI output
Output impedance: 75 ohm
Output return loss: >15dB
Output connectors: BNC socket x 2

CONTROLS
DIP switches: Manual Bypass, Insert/Extract, Invert output
Rotary switch: VBI Insertion line selection (7 to 22)
INDICATORS
LED 1: Bi-colour, status
LED 2: Power

INSTALLATION DATA
Package: Standard BALBOX housing, with three 75ohm BNC signal connectors and
one 37w D-type socket.
Size: 184 x 103 x 42.4mm.
Weight: 950g.
Mains supply: 90 – 250Vac
Consumption: <15VA

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