| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | DS1E-M-DC1.5V | RELAY GEN PURPOSE SPDT 2A 1.5VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 3 | RSE116674 | LOW PROFILE, 4 POLE/10 AMP, LCRelay | Amphenol Pcd |
| 4 | P1011-6 | RELAY SOCKET 8 PIN OCTAL SCREWRelay Socket Chassis Mount | Littelfuse Inc. |
| 5 | 5521322 | FLKM4-I/O-G4Relay Socket DIN Rail | Phoenix Contact |
| 6 | T9AS5L12-12 | RELAY GEN PURPOSE SPDT 20A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | PT580024 | RELAY GEN PURPOSE 4PDT 6A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 8 | G3TB-OA202PZ DC5-24 | OUTPUT MODULE AC 5MA 5-24VDCAC Output Module Output Module 0.05 ~ 2A 75 ~ 264VAC Output 5 ~ 24VDC Supply | Omron Automation and Safety |
| 9 | ARE10A12Z | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |