8 Device Hub - Breakout Box for RS-232

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  • Regular price $190.00
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Power & Communications for Multiple Alicat Instruments

Alicat’s BB8-DB9 multi-drop breakout boxes make building your own local flow control network easy. Control up to 8 Alicat flow or pressure instruments from a single computer or programmable logic controller (PLC) connection. Breakout boxes also distribute power to all connected devices from a single power source. Each BB8 is built for a half rack mount.

  • Compatible with instruments that have 9-pin D-SUB.
  • Communicate with all devices digitally via a single USB or serial cable.
  • Distribute power to all devices with a single power source.
  • Multiple breakout boxes can be daisy-chained to control up to 26 instruments.



Connect your BB8-DB9 to a computer or PLC using one of the methods below. You may connect multiple BB8-DB9s to support up to 26 instruments.

  • USB 2.0 (USB A-B cable included)
  • RS-232 9-pin serial port (cable included)
  • Terminal block transmit and receive sockets (RX/TX)



Connected devices receive power from the BB9’s common power bus. Power connected at any point in the system is distributed to all devices.

  • Connect a PVPS24U power supply (not included) to the BB9’s barrel-type power jack or free wire power to the BB9’s terminal block power and ground sockets.


Dimensions: 1.75″ x 9.75″ x 0.9″ (4.45 x 24.8 x 2.3 cm)

Weight: 0.6 lb (0.3 kg)

In the box

  • BB8-DB9 multi-drop breakout box
  • USB A to B cable (male-male)
  • 9-pin D-sub serial cable (female-female)
  • KIT also includes 1x PVPS24U and 8x 6ft female to male 9 pin D-Sub cables.


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