| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | HMB1131K01M | RELAY GEN PURPOSE DPDT 2A 26.5VGeneral Purpose Relay DPDT (2 Form C) Chassis Mount | TE Connectivity Aerospace, Defense and Marine |
| 3 | JRE400101 | QUICK MOUNT, 4 POLE WCRelay | Amphenol Pcd |
| 4 | JRS400101 | QUICK MOUNT, 4 POLE WCRelay | Amphenol Pcd |
| 5 | VCF4-1003 | CONN FOR QC VF4-2 VF4-5 RELAYSRelay Housing Wiring Harness | TE Connectivity Potter & Brumfield Relays |
| 6 | RU4S-C-A24 | RELAY PLUG-IN 4PDT 6A 24VACGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | IDEC |
| 7 | G6C-2117P-US-DC3 | RELAY GENERAL PURPOSE DPST 8A 3VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 3VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | XT424024 | RELAY GEN PURPOSE DPDT 8A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 9 | PB-24SM | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |