| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RSE500201 | SMITHSRelay | Amphenol Pcd |
| 3 | RSE500412 | SMITHS, LCRelay | Amphenol Pcd |
| 4 | JRS300110 | QUICK MOUNT, 3 POLERelay | Amphenol Pcd |
| 5 | 27E396 | SOCKET RELAY 1-3 POLES QCRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | 3-1393240-9 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | OMI-SS-124L,000 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 8 | RTE24110 | RELAY GEN PURPOSE DPDT 8A 110VGeneral Purpose Relay DPDT (2 Form C) 110VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | V23061B1009A401 | RELAY GEN PURPOSE SPDT 8A 48VGeneral Purpose Relay SPDT (1 Form C) 48VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |