| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 9-1462037-9 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | AGN200A06 | RELAY TELECOM DPDT 1A 6VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 2980319 | 6.2MM PLC TERM BLOCK 120VRelay Socket DIN Rail | Phoenix Contact |
| 5 | 7-1415538-5 | RT334024WGRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 6 | KUP-14D55-12 | RELAY GEN PURPOSE 3PDT 10A 12VGeneral Purpose Relay 3PDT (3 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | G6K-2F-RF-S DC5 | RELAY RF DPDT 1A 5V | Omron Electronics Inc-EMC Div |
| 8 | CA1A-12V-C-5 | RELAY AUTOMOTIVE SPST 30A 12V | Panasonic Electric Works |
| 9 | 73G-OI020 | I/O MODULE 0-20MA 12-BIT;4.90UAAnalog Output Module Output Module Output Supply | Grayhill Inc. |