| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | HC3-HSF-K | SOCKET SCREW FRONT WIRE/CLIP HC3Relay Socket Chassis Mount | Panasonic Electric Works |
| 3 | 1-1904045-5 | RELAY SOCKET HOUSING ISORelay Housing Wiring Harness, Interlockable | TE Connectivity Potter & Brumfield Relays |
| 4 | ADJH21024 | RELAY GEN PURPOSE SPST 50A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 5 | G5CA-1A-TP-E DC24 | RELAY GEN PURPOSE SPST 15A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 6 | 2979508 | VARIOFACE OUTPUT EXPANSION MODI/O Module Rack 16 Channel | Phoenix Contact |
| 7 | OAC-5 | OUTPUT MODULE AC STD 20MA 5VDCAC Output Module Output Module 0.05 ~ 3A 24 ~ 280VAC (120VAC Nom) Output 5VDC (3 ~ 8VDC) Supply | TE Connectivity Potter & Brumfield Relays |
| 8 | G7T-1012S DC24 | RELAY BLOCK OUTPUT SPST-NC 24VDCDC Output Module Output Module 5A 24VDC Output 24VDC Supply | Omron Automation and Safety |
| 9 | AEV17024 | RELAY AUTOMOTIVE SPST 200V 24V | Panasonic Electric Works |