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ASI / HD-SDI / SD-SDI Passive 2-Way Splitter × Active 4-Way Distributor – DB-3-ASI

4-Way Distributor Supporting DVB-ASI, HD-SDI, and SD-SDI Input Signals

  • Incorporates 2 systems each of passive 2-way splitters and active 4-way distributors.
  • Contact output terminals allow remote monitoring of the signal reception status of active-type systems A and B, and of failures on power supplies 1 and 2.
  • Dual AC power inputs support a redundant power supply configuration.
  • Front-panel LEDs show the power status and the active-type signal reception status on site.

[Active Type]

  • Distributes and outputs the input signal as-is.
  • Equipped with an equalizer function at the input stage.
  • The re-clocking function reshapes and outputs degraded input signals.
DB-3-ASI use case

Specifications

Product CategoryDVB-ASI / HD-SDI / SD-SDI Distributor
Product NameTS CaPID DB-3-ASI-DP
Product Model NumberDB3-P240A280R-DP
Input/OutputPassive Type1 input → 2-way split × 2 systems (A / B)
Input: DVB-ASI / HD-SDI / SD-SDI × 2 BNC 75Ω (※1)(※2)
Output: DVB-ASI / HD-SDI / SD-SDI × 4 BNC 75Ω (※1)(※2)(※4)
Active Type1 input → 4-way split × 2 systems (A / B)
Input: DVB-ASI / HD-SDI / SD-SDI × 2 BNC 75Ω (※1)(※2)
Output: DVB-ASI / HD-SDI / SD-SDI × 8 BNC 75Ω (※1)(※2)
Supported FormatsDVB-EN 50083-9
SMPTE 292
SMPTE 259 compliant
Passive Type Distribution Loss-3dB
Active Type Input Return Loss15dB or more
Active Type Input/Output Delay40ns or less
Front Panel Indicators (LED)POWER 1 / 2: lit green when the power is on (1 = system 1, 2 = system 2)
STATUS A / B: lit green while the active type is receiving a signal (A = system A, B = system B)
Contact OutputFormD-Sub 9-pin (female)
Mounting screws are inch screws (※3)
Monitored itemsActive type, system A input status (closed while receiving a signal)
Active type, system B input status (closed while receiving a signal)
Power supply 1 failure (closed while faulty)
Power supply 2 failure (closed while faulty)
※ A contact GND (common) is provided. The contacts have no polarity.
SpecificationsMOSFET relay output
  • Output withstand voltage: max. 40V
  • Continuous load current: max. 120mA
  • On resistance: typical 1.0Ω~15Ω (max. 25Ω)
Power SupplyAC100~240V Dual system
Power ConsumptionBoth power supplies active11W、20VA
Single power supply8W、17VA
Operating Temperature, Humidity5~40℃、30~80% (no condensation)
Dimensions (W × H × D)EIA 19-inch rack 1U size
430×44×350 mm (excluding protrusions)
WeightApprox. 3.1kg
AccessoriesDedicated power cable (for AC100V) × 2 (※5)
75Ω terminator × 2
75Ω coaxial cable (0.5 m) × 2
Instruction manual × 1
OptionsInspection test report (included only on request)
Active Type Cable Compensation
(when using 5CFB cable)
DVB-ASI: up to 200m
SD-SDI: up to 200m
HD-SDI: up to 100m
Related ProductsDVB-ASI 3-Way Distributor (DB-1-ASI)
DVB-SPI 3-Way Distributor (DB-1-SPI)
DVB-ASI 4-Way Distributor (DB-2-ASI)
DVB-ASI ⇔ DVB-SPI Converter (CV-1)

(※1) DVB-ASI supports packet mode and burst mode.
(※2) DVB-ASI outputs while maintaining the input mode.
(※3) Can be changed to metric screws as an option. For metric screws, the model number suffix will be (M).
(※4) If only one of the passive-type output connectors is used, terminate the unused output with the supplied 75Ω terminator.
(※5) The supplied dedicated power cable meets the requirements of Japan’s Electrical Appliance and Material Safety Act. Always use the supplied dedicated cable.

The product itself is outside the scope of Japan’s Electrical Appliance and Material Safety Act. Even so, every unit undergoes an insulation withstand voltage test equivalent to the test required for non-specified electrical appliances, and only units that pass are shipped.

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