Hyundai IO Extension Board 20400071

The Hyundai IO Extension Board is an elevator control PCB used to provide additional input and output connections within Hyundai elevator control systems. A commonly referenced identification number for this board is 20400071.

Check the Complete Board Identification

For replacement, the original I/O extension board should be identified by its complete markings rather than appearance alone.

Hyundai replacement documentation lists an IO Extension Board with DWG No. 20400071G01 and Part No. 204100342.

Before ordering, please provide:

• Board name: IO Extension Board

• DWG or part number

• PCB revision, if available

• Front and rear board photos

• Connector arrangement

• Related elevator control system

• Required quantity

Replacement Matching

An I/O extension board works together with the existing elevator control system, so connector arrangement and board identification should be checked carefully before replacement.

If the original label is unclear, clear photos of the complete PCB and connectors are useful for model confirmation.

FAQ

Is 20400071 a Hyundai IO Extension Board?

Yes. 20400071 is commonly listed as the identification number for a Hyundai elevator IO Extension Board.

Can I order the board only by the 20400071 number?

We recommend checking the complete board marking, connectors and any revision information as well before replacement.

For Hyundai IO Extension Board requirements, send us the original PCB photos and identification information for checking before quotation.