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Black Box Innovations MED101A industrial DIN rail serial adapter

Black Box Innovations

Black Box Innovations MED101A computer accessory

SKU CH-E8MV-HH7Q8 MPN MED101A

Industrial DIN-rail converter handles RS-232, RS-422 and RS-485 serial signals

  • Industrial-grade DIN-rail mounting simplifies cabinet installation
  • RS232, RS422 and RS485 support covers diverse serial needs
  • Single unit replaces multiple protocol converters
  • Compact form factor fits tight enclosure spaces
  • New 2025 design ensures current component sourcing

Industrial DIN rail serial adapter

The Black Box Innovations MED101A is an industrial DIN rail accessory that provides RS232, RS422 and RS485 serial connectivity for automation and control systems. It mounts on standard DIN rails inside cabinets or enclosures for integration with PLCs, HMIs and field devices.

Suited for panel builders needing multi-protocol

Engineers who require isolated ports, USB interfaces or protocol conversion beyond RS232, RS422 and RS485 should evaluate alternative modules. Buyers needing fibre, Ethernet or wireless backhaul will not find those interfaces here.

Triple-protocol RS232 RS422 RS485 support

The single specification that determines fit is the simultaneous availability of RS232, RS422 and RS485 on one DIN rail unit. Confirm your field devices use one of these three electrical standards before specifying this adapter.

How it compares

Measured against everything we stock in Miscellaneous PC Accessories, at today’s prices. Recalculated every night.

Price $292.99
Pricier than about 90% of the 454 comparable items (median $40.99).

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Specifications

Size & build
Shipping weight0.32 kg
Package size168 × 145 × 66 mm

Questions about this item

What DIN rail width does the MED101A mount on?

The MED101A is designed for standard industrial DIN rail mounting, securing directly onto the rail without additional brackets.

How do I wire the RS-232, RS-422 and RS-485 interfaces on the MED101A?

Connect each serial interface to the corresponding terminal block on the MED101A, ensuring the RS-422 and RS-485 lines are terminated correctly to avoid signal reflection.

When should the MED101A be replaced in an industrial setup?

Replace the MED101A if the serial ports fail to establish a link, show persistent data errors across RS-232, RS-422 or RS-485, or if the DIN rail clip becomes loose.

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