| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | RSE500311 | SMITHSRelay | Amphenol Pcd |
| 3 | 282435-5 | RELAY HSG.W.SEC.LOCK.ASSY9 POSRelay | TE Connectivity AMP Connectors |
| 4 | 154746-1 | RELAY BASE HSG. NATURALRelay | TE Connectivity Potter & Brumfield Relays |
| 5 | PT5S8LC4 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose with Socket Relay 4PDT (4 Form C) 24VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | RY531005 | RELAY GENERAL PURPOSE SPST 8A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 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 |
| 8 | 1393026-8 | I/O MOUNTING BRD STANDARD 16POSI/O Module Rack 16 Channel | TE Connectivity Potter & Brumfield Relays |
| 9 | 2905196 | MODULEI/O Module Rack 16 Channel | Phoenix Contact |