| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 2912471 | TERM BLOCKRelay | Phoenix Contact |
| 3 | S4EB-L2-12V | RELAY GEN PURPOSE 4PST 4A 12VGeneral Purpose Relay SPST-NO (1 Form A) x 4 12VDC Coil Through Hole | Panasonic Electric Works |
| 4 | T92P11A22-208 | RELAY GEN PURPOSE DPDT 30A 208VGeneral Purpose Relay DPDT (2 Form C) 208VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 70G-IDC5S | INPUT MODULE DRY CONT 5MA 5VDCDC Input Module Output Module 41mA 5VDC Output 25VDC Supply | Grayhill Inc. |
| 6 | ARS15A24 | RELAY RF SPDT 500MA 24V | Panasonic Electric Works |
| 7 | G6Y-1 DC24 | RELAY RF SPDT 10MA 24V | Omron Electronics Inc-EMC Div |
| 8 | 9802-05-00 | RELAY RF SPST 250MA 5V | Coto Technology |
| 9 | MPM3820GQV-P | IC REG BUCK ADJ 2A SYNCNon-Isolated PoL Module DC DC Converter 1 Output 0.6 ~ 6 V 2A 2.7V - 6V Input | Monolithic Power Systems Inc. |