| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | G6K-2P-Y DC9 | RELAY TELECOM DPDT 1A 9VTelecom Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | DS2E-S-DC24V | RELAY GEN PURPOSE DPDT 2A 24VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | RSE500402 | SMITHSRelay | Amphenol Pcd |
| 5 | 2909509 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 6 | 18782B200 | RELAY GEN PURPOSE DPDT 20A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | S2EB-L2-24V | RELAY GEN PURPOSE 4PST 4A 24VGeneral Purpose Relay 4PST-NO/NC (2 Form A, 2 Form B) 24VDC Coil Through Hole | Panasonic Electric Works |
| 8 | 2IO4B | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | 2972903 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |