Network Router User Manual

Contemporary Research Corporation 4 AV6x4 A/V Router
Specifications
Physical
Size: 19" [483mm] wide x 1.75" [38mm] height (1RU) x 9.25" [235mm] deep
Weight: 4.25lbs [1.47Kg]
Enclosure: All aluminum, including front extrusion, durable black powder coat paint
Front Panel
Mute All A/V: Toggling Mute for all audio and video, red LED lights when muted
Routing Mode: Cycling routing mode selection — red LED (Audio only), green LED (Video only), or
both LEDs (A/V)
Routing Control: Select Mode
Select Output (A, B, C, or D), LEDs show the audio and video input routed to output
Selecting Input (1-6) initiates switch, LEDs reflect change
Rear Panel
Power In: 2.1mm coaxial jack (inside center conductor positive), 300 mA maximum
11.5 to 17 VDC, 12 VDC typical (may be unregulated)
RS-232 Connector: DB-9 male
Front panel set-up for 300 to 9600 baud. Always 8 data bits, No parity, 1 stop bit
Standard ASCII keyboard character strings available from any terminal program
Status update is sent after every front panel or RS-232 command
Audio Inputs: 6 stereo (dual channel) gold RCA female
Unbalanced line level, 20K ohms and buffered
Each input programmable from -9 to +9dB in 3dB steps
Maximum level, including any AV6x4 gain, +11 dBm (3.5V rms or 10V peak to peak)
Audio Outputs: 4 stereo (dual channel) Gold RCA female
Unbalanced line level, buffered, 100 ohms (up to +11dBm, 600 ohm load)
Frequency Response: 20Hz to 30KHz flat
Total Harmonic Distortion (THD): < 0.01%
Crosstalk: <-75dB @ 1KHz
Noise: <-75dB
Video Inputs: 6 BNC female
NTSC, PAL, or SECAM composite
2 V peak to peak maximum level
75 ohms Impedance (+/- 1%) or internal DIP switch selectable to HI-Z for looping
Video Outputs: 4 BNC female
Video op-amp with 75 ohm (+/- 1%) series termination
DC through 10 MHz response
Vertical interval Switching
Crosstalk: < -55dB @ 4.43 MHz (chroma)
Noise: < -70dB
Differential Gain: < 0.1%
Differential Phase: < 0.2°
Includes
19” mounting brackets
12 VDC Power Supply, 400 mA (Included for North American shipments only)
Options
CC-232 Cables for control, linking multiple units