Universal I/O modules are small mezzanines (25.6 mm x 50 mm) which provide different types of inputs and outputs to VME series, CompactPCI and mTCA.4 series Event Generators and Event Receivers.

Universal I/O module filler panels
The modules with inputs are targeted for use with Event Generators and the output modules are targeted for Event Receivers.
- Universal I/O HFBR-1414 Output UNIV-HFBR-1414
- Universal I/O HFBR-1528 Output UNIV-HFBR-1528
- Universal I/O NIM Output UNIV-NIM
- Universal I/O LVTTL Output UNIV-TTL
- Universal I/O LVTTL Output Module with Delay Tuning
- Universal I/O TTL Input UNIV-TTLIN/IL
- Universal I/O Module Specification
- Setting the Delay on UNIV-LVPECL-DLY and UNIV-TTL-DLYModule
- Universal I/O Module Installation Instructions