| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | MJN3C-DC12 | RELAY GEN PURPOSE 3PDT 10A 12VGeneral Purpose Relay 3PDT (3 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 3 | LKP1AF-24V | RELAY GEN PURPOSE SPST 10A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 4 | ARS14Y03 | RELAY RF SPDT 500MA 3V | Panasonic Electric Works |
| 5 | CA1A-DC12V-N | RELAY AUTOMOTIVE SPST 30A 12V | Panasonic Electric Works |
| 6 | IAC-24 | INPUT MODULE AC 6MA 24VDCAC Input Module Output Module 18mA 24VDC Output 90 ~ 140VAC (120VAC Nom) Supply | TE Connectivity Potter & Brumfield Relays |
| 7 | CB1-WM-12V | RELAY AUTOMOTIVE SPDT 40A 12V | Panasonic Electric Works |
| 8 | 73G-IV10 | I/O MODULE 0-10VDC 12-BIT;2.44MVAnalog Input Module Output Module Output Supply | Grayhill Inc. |
| 9 | 2-1462051-6 | RELAY RF 1FORMC/1CO 2A 12V | TE Connectivity Potter & Brumfield Relays |