| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGN210A4H | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | AGN200A12 | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 2-1904045-6 | V23333Z0001B046-EV-311Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | 2900445 | TERM BLOCK INTERFACERelay Socket DIN Rail | Phoenix Contact |
| 6 | 3-1393240-9 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | ADJ14012 | RELAY GEN PURPOSE SPDT 16A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | Panasonic Electric Works |
| 8 | 2979469 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 9 | DR-IDC5 | INPUT MODULE DC 34MA 5VDCDC Input Module Output Module 28mA 5VDC Output 4 ~ 32VDC Supply | Sensata-Crydom |