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Advantech Automation BB422TTL Signal Converter

The BB-422TTL is a TTL to RS-422 converter supporting two channels in each direction, with baud rates up to 115.2 kbps. It converts RS-422 or EIA-530 signals to TTL, featuring DB25 connectors on both sides and open pads for pin configuration customization. The converter inverts TTL signals and requires an external 12 VDC power supply. Compact and easy to install, it supports multiple signals including RTS and CTS, making it ideal for industrial communication needs. Suitable for applications requiring reliable, high-speed signal conversion and flexible wiring options.

Authorized Distributors
Source:Newark
Part No:BB-422TTL
Stock:43
Inv Date:05-30-2026
Price: Unit price: $72
Buy/RFQ:
Source:DigiKey
Part No:BB-422TTL
Stock:90
Inv Date:05-30-2026
Price: Unit price: $72
Buy/RFQ:
Part No:BB-422TTL
Stock:175
Inv Date:05-31-2026
Price: Unit price: $72
Buy/RFQ:

Advantech Automation BB422TTL Signal Converter Specifications:

  • Data Rate: Up to 115.2 kbps
  • RS-422 Connector: DB25 female
  • TTL Connector: DB25 male
  • Signals: TD, RD, RTS, CTS, RTS A(-), RTS B(+), CTS A(-), CTS B(+)
  • VDC Level: 5V
  • Input Voltage: 12 VDC (<100 mA)
  • Output Voltage: -0.5V to VCC+0.5V
  • Dimensions: 54 x 5.1 x 1.6 mm (2.1 x 2.02 x 0.62 in)
  • Operating Temperature: -70°C to +70°C (-94°F to +158°F)
  • Storage Temperature: -40°C to +85°C (-40°F to +185°F)
  • Certifications: FCC Part 15, CE, RoHS, WEEE
  • MTBF: 1,539,882 hours

Buy the Buy Advantech TTL to RS-422 Converter Part Number BB422TTL Online

Purchase the Advantech BB-422TTL signal converter online for seamless, high-speed TTL to RS-422 conversion. Designed for industrial automation, it features dual channels with up to 115.2 kbps data rate, customizable pin configurations, and robust construction. An external 12 VDC power supply is required for operation. Easy to install with open pads for wiring adjustments, this compact device supports multiple signals including RTS and CTS, ensuring reliable data communication across your automation and control systems. Order now to ensure seamless industrial data transfer.

Get Advantech BB-422TTL today—built for high-speed signal conversion and reliable industrial communication.

Frequently Asked Questions

Where can I buy Advantech Automation BB422TTL?

You can click on the BUY or RFQ button to purchase BB422TTL from an authorized Advantech Automation distributor.

How do I troubleshoot issues or seek technical support for part BB422TTL?

You can download the BB422TTL datasheet or visit the Advantech Automation website for support.

Who is the manufacturer of BB422TTL?

Advantech Automation

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