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Specifications — ISM 182, ISM 482 Scaling Matrix Switchers 

Video 

Routing ..........................................  8 x 2 matrix

Video input 

Number/signal type ...................  8 RGBHV, RGBS, RGsB, RGBcvS, component video, S-video, composite video
Connectors ....................................  8 x 5 female BNC
Nominal level ...............................  1 Vp-p for Y of component video and S-video, and for composite video

0.7 Vp-p for RGB
0.3 Vp-p for R-Y and B-Y of component video, and for C of S-video

Minimum/maximum levels ......  Analog: 0 V to 1.0 Vp-p with no offset 
Impedance ....................................
Horizontal frequency 

ISM182 ............................... 
ISM 482 .............................. 

Vertical frequency .......................
Resolution range ..........................

Video processing 

Decoder .........................................

75 ohms 

Autoscan 15 kHz to 85 kHz (RGB) 
Autoscan 15 kHz to 100 kHz (RGB) 
Autoscan 50 Hz to 100 Hz 
Autoscan 720 x 525 to 1600 x 1200 

9 bit digital 

Digital sampling ..........................  24 bit, 8 bits per color; 13.5 MHz standard (video), 140 MHz standard (RGB)
Colors ............................................  16.78 million
Horizontal filtering .....................  4 levels
Vertical filtering ...........................  8 levels

Video output 

Number/signal type ...................  2 scaled RGBHV, RGBS
Connectors ....................................  2 x 5 BNC female, (2) 15-pin HD female
Nominal level ...............................  0.7 Vp-p for RGB
Minimum/maximum levels ......  0 V to 0.7 Vp-p
Impedance ....................................  75 ohms 
Scaled resolutions 

ISM 182 ..............................  640x480

1,3,4,6

, 800x600

1,3,4,6

, 832x624

3,4,6

, 848x480

3,6

, 852x480

3,6

, 1024x768

1,3,4,5,6 

ISM 482 ..............................  640x480

1,3,4,6

, 800x600

1,3,4,6

, 832x624

3,4,6

, 848x480

3,6

, 852x480

3,6

, 1024x768

1,3,4,5,6

1280x768

2,6

, 1280x1024

1,3

, 1360x765

3,6

, 1365x1024

3,6

, 1400x1050

1,3,6

, 576p

1,6

, 720p

3,6

1080p

3,6

, 1080i

1,3,6 

1

 = at 50 Hz 

2

 = at 56 Hz 

3

 = at 60 Hz 

4

 = at 75 Hz 

= 85 Hz 

= locked to the current input’s vertical refresh rate (Accu-RATE Frame Lock) 

Return loss ....................................  -30 dB @ 5 MHz 
DC offset .......................................  ±5 mV with input at 0 offset 

Sync 

Input type .....................................  Autodetect RGBHV, RGBS, RGsB, RGBcvS 
Output type ..................................  RGBHV, RGBS 
Standards ......................................  NTSC 3.58, NTSC 4.43, PAL, SECAM 
Input level .....................................  0 V to 5.0 Vp-p
Output level ..................................  0 V to 5.0 Vp-p, unterminated
Input impedance ..........................  510 ohms
Output impedance ......................  75 ohms
Max input voltage .......................  5.0 Vp-p
Max. propagation delay ..............  20 ns
Polarity ..........................................  Positive or negative (selectable)

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ISM 182, ISM 482 • Specifications 

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