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SM164BSystem video matrix PAL/NTSC


The SM164B matrix is a microprocessor remote-controlled video matrix which allows the video switching of 16 cameras on 4 outputs.

A OSD programmable password ensures protection from improper use of the matrix.


Telemetry over the coax on the 16 video inputs and on auxiliary serial output (RS-485)

Controllable by PC (RS-232)

16 alarm inputs, one output contact, trigger VCR and alarm reset

4 RS-485 serial inputs for max. 4 remote keyboards

Privacy video masking function


  • Max 16 cameras
  • Max 4 monitors
  • Max 4 remote keyboards
  • On screen display video programming
  • Menu in 4 languages (Italian, English, French and German)
  • Different switching sequences for each video output
  • Identification texts for each output
  • Date and time management
  • Types of alarm reset: manual from keyboard, external, timed automatically
  • Completely configurable alarm inputs for all 16 video inputs
  • VCR trigger management
  • Alarm condition warning buzzer
  • Relay can be activated by each alarm
  • Telemetry control on RS485 auxiliary line and on coaxial cable
  • Video signal masking on fixed camera for privacy purposes
  • Input 75 Ohm load disconnectable
  • Equipped with wide range power supply, 3 power cables, 2 RJ11 telephone cables, 2 junction boxes RJ11 jack, DB25 connector
  • Steel enclosure
  • Epoxypolyester powder painting, RAL7036 colour
  • Dimensions: Rack 19”, 1U, 432x45x180mm (17x1.8x7in)
  • 1XDB25 connector (alarm)
  • 5 connectors RJ11 (4 for keyboards and 1 for telemetry line)
  • 1xpower supply jack connector
  • 1xDB9 female connector (PC)
  • 16 inputs BNC video
  • 4 BNC video outputs
  • Unit weight: 3.5kg (7.7lb)
  • Power supply:
  • IN from 100Vac up to 240Vac, 50/60Hz - OUT 12Vdc, 1.25A
  • Consumption: 15W max
  • 16 inputs 75 Ohm 1Vpp (PAL/NTSC)
  • 4 outputs 75 Ohm 1Vpp (PAL/NTSC);
  • Bandwidth: > 6MHz
  • Lower cut-off frequency: (-3dB): 9Hz
  • Signal/Noise ratio: > 48dB@5.5MHz
  • Relay contact: 50Vac, 0.3A
Serial communications
  • Telemetry transmission on coax cable on the 16 video inputs (min distance 5m (16.4ft) and max 350m (1148ft)
  • Telemetry data transmission on serial output RS485 for a max distance of 1200m (3937ft)
  • 4 serial inputs RS485 for the reception of data from max 4 remote keyboards from a max distance of 1200m (3937ft)
  • Serial input RS232 for firmware update and PC control from a max distance of 15m (49ft)
  • Protocols (Telemetry Line):
  • PELCO D (2400, 4800, 9600, 19200 baud)
  • VIDEOTEC (1200, 9600 baud)
  • VIDEOTEC MACRO (1200, 9600, 19200, 38400 baud)
  • PELCO is registered trademark.
  • For installation indoors
  • Operating temperature: from 0°C (32°F) up to +40° (104°F)
  • Electrical safety (CE): EN60950-1
  • Electromagnetic compatibility (CE): EN50130-4, EN55022 (Class B), EN61000-6-3, FCC Part 15 (Class B)
  • EAC certification
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