| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 2829917 | TERM BLOCKRelay | Phoenix Contact |
| 3 | SP4-PL2-DC5V | RELAY GEN PURPOSE 4PDT 10A 5VGeneral Purpose Relay 4PDT (4 Form C) 5VDC Coil Through Hole | Panasonic Electric Works |
| 4 | G6CU-2114P-US-DC5 | RELAY GENERAL PURPOSE DPST 8A 5VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 5 | 2974891 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 6 | 2979508 | VARIOFACE OUTPUT EXPANSION MODI/O Module Rack 16 Channel | Phoenix Contact |
| 7 | G6K-2F-RF-TR03 DC24 | RELAY RF DPDT 1A 24V | Omron Electronics Inc-EMC Div |
| 8 | 1393276-7 | RELAY AUTO SPST-NO 70A 24V | TE Connectivity Potter & Brumfield Relays |
| 9 | 9802-05-00 | RELAY RF SPST 250MA 5V | Coto Technology |