| Model | Form Factor | Function | Intelligence | I/O Lines | Memory | Miscellaneous | Front Connector | Isolation | Consumption typ. |
|---|---|---|---|---|---|---|---|---|---|
| M199 | M-Module | Main M-Module for USM Universal Submodules | FPGA / Altera Cyclone II EP2C20 | – | 32MB SDRAM 8MB non-volatile Flash | Based on USM Universal Submodule concept | 1x 50-pin SCSI 2 | Depending on USM | +5V (-3%/+5%), 400mA max. (M199 only), 1000mA max. (M199 with USM™) |