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RS4x4HB (click here for technical specificationspricing, spec sheet, manual)
High Performance Full Matrix Routing Switcher
...by Knox.  

Composite (NTSC/PAL), Y/C, and Component versions available
Flat to Over 100 MHZ
Vertical Interval Switching
Breakaway Stereo Audio
Store/Recall up to 4 patterns
Manual and RS232 control
SAS  (Simple ASCII Strings)RS-232 Instruction Set 
Battery Backup
Click image for enhanced
front and back pictures

RS4x4HB image


...also available as video only or audio only.

SAS (Simple ASCII Strings) Quickview  

The RS4x4HB is a high performance audio/video routing switcher in a thin profile 2RU rackmount chassis. It accepts and routes almost any 1 volt Composite (NTSC/PAL) , Y/C, or Component video input including off-the-air and non-timebase corrected signals.

The RS4x4HB accepts and routes mono or stereo unbalanced audio up to 2 volts p-p or balanced stereo audio from 0 to +18 dbm. Video and audio inputs can be routed independently; they need not have the same destination.

Each source may be routed to multiple destinations via easy-to-use front panel push buttons or via RS232 interface. Front panel LED's indicate current routed crosspoints.

Battery backed-up memory stores up to four preset patterns. An internal timer allows timed sequence of patterns.

Application Features image
Housed in a super thin profile package, the RS4x4HB is one of the Knox family of full matrix routing switchers. Also shown are the RS16x16HB, and RS8x8HB.

 

Technical Specifications
Unbalanced Audio
  Frequency Response 20 Hz to 30 KHz
  Input Level up to 2v p-p
  Input Impedance 100K
  Output Impedance 1K
  Crosstalk less than - 85 db at 1KHz
  Audio Connectors (64) RCA
     
Balanced Audio
  Hum & Noise < -90 db
  Frequency Response 20 Hz to 50 KHz +/- 1/4 db
  Level 0, 4, or 16dB, clipping at 18dB
  Impedance Bridging, or 600 ohms termination
  Crosstalk less than - 90dB @ 20 KHz
  Connectors Phoenix screwtype, removable
     
Video
  Frequency Response DC to 200 MHz, @ 300mv, < -3dB @ 150 MHz
Typ - 6dB @ 200 MHz @ 1.0v, less than -3dB @ 115 MHz
  Input Impedance 75 ohms
  Output Impedance 75 ohms
  Crosstalk all hostile:
- Typ < -70dB @ 5 MHz
- Typ < -55dB @ 20 MHz
- Typ < -25dB @ 100 MHz
one hostile:
< -40dB @ 200 MHz
  Video Connectors BNC
     
Power Consumption
    nominal 15 vdc, 500 mA max.
Power Connector
    5.5/2.8 mm coaxial DIN, tip negative
Dimensions
    19" x 3.5" x 2" deep
Shipping Weight
    3 pounds

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Front View:
Large RS4x4HB Front View image
    Profile:

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Back View:
Large RS4x4HB Back View image