| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | RSL116092-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 3 | RSE500312 | SMITHS, LCRelay | Amphenol Pcd |
| 4 | 27E127 | SOCKET 6P SOLDER R10 SERIESRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | T9GS1L14-5 | T9GS1L14-5General Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | 70MRCK24-RL | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 7 | 2904-05-421 | RELAY RF SPST 500MA 5V | Coto Technology |
| 8 | PB-32M-C | I/O MOUNTING BOARD MINI 32POSI/O Module Rack 32 Channel | Sensata-Crydom |
| 9 | CB1-24V | RELAY AUTOMOTIVE SPDT 20A 24V | Panasonic Electric Works |