| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | RSE116761 | LOW PROFILE, 6 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 3 | DK2A-PSL2 | SOCKET RELAY LATCH FOR DK RELAYSRelay Socket Through Hole | Panasonic Electric Works |
| 4 | PY08-02 | RELAY SOCKET BACK CONNECTINGRelay Socket Through Hole | Omron Automation and Safety |
| 5 | G4A-1A-E DC24 BY | RELAY GEN PURPOSE SPST 20A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | 70LRCK16-48WP | I/O MOUNTING BRD OPENLINE 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 7 | ARE13A24Z | RELAY RF SPDT 500MA 24V | Panasonic Electric Works |
| 8 | ACNM7112SAX | RELAY AUTOMOTIVE SPST 30A 12V | Panasonic Electric Works |
| 9 | 84110210 | INPUT MODULE DC 34MA 5VDCDC Input Module Output Module 16mA 5VDC Output 3.3 ~ 32VDC (24VDC Nom) Supply | Sensata-Crydom |