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APPENDIX B - SPECIFICATIONS
SYSTEM CONTROL INTERFACE MODULE (MRX-SCI)
Data Transmission System ................................RS-232 & RS-422
Serial Port Baud Rate ........................................Up to 57.6 Kb baud
Control Levels ....................................................Four or eight
Communication Line ..........................................Coaxial, up to 2000 feet
Control Panels ...................................................Up to 64 on 2 Comm. Lines
Number of Salvos ..............................................Four, from Master Control Panel
Protocol .............................................................Simple ASCII, supports Xon/Xoff
External Sync Reference ...................................Composite Sync or Blackburst
Connectors ........................................................(2) BNC for Comm. Line & External Sync.
..........................................................................9 Pin "D" for Serial Port
ANALOG VIDEO FRAME (MRX-24V, MRX-32V)
Input Impedance ................................................75 , terminated
Input Level .........................................................1.4V p-p maximum
Input Coupling....................................................DC
Input Return Loss ..............................................35dB minimum to 5MHz
Input DC Offset .................................................. 0.3V
Tilt, field and line................................................<1% maximum
Output Impedance .............................................75 , source terminated
Output Level ......................................................1.4V p-p maximum
Output Coupling .................................................DC
Differential Phase ..............................................<0.15 @ 4.43MHz, 10-90% APL
Differential Gain .................................................<0.15% @ 4.43MHz %, 10-90% APL
Frequency Response......................................... 0.1dB from DC to 25 MHz
Bandwidth ..........................................................50 MHz
Input Gain Variation ...........................................< 0.15 dB maximum
Crosstalk ..........................................................>40 dB below 1V p-p @ 5 MHz
Hum & Noise......................................................-65 dB rms., below 1Vp-p
Connectors ........................................................BNC
ANALOG AUDIO FRAME (MRX-24A, MRX-32A)
Input Impedance ................................................30 K , balanced
Input Level .........................................................+24 dBu, maximum
Output Level ......................................................+24 dBu max. into 600
..........................................................................+26 dBu max. into high impedance
Output Impedance .............................................100 , balanced
Frequency Response......................................... 0.1 dB 10 Hz to 30 KHz, any level
.......................................................................... 0.25 dB to 100 KHz
Hum & Noise......................................................< -90 dBu with 22KHz low-pass filter
Total Harmonic Distortion...................................<0.05% maximum, worst case @ +24 dBu
Crosstalk............................................................90 dB min. below referenced channel 10Hz to 20kHz,
............................................................................... all inputs driven, 600
Gain ...................................................................Unity 0.2 dB, 600
Connectors
......................................................................
3 Pin pluggable terminals
loads. 110 dB typ.
termination
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