| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 5-1462039-5 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | NC4-SS | SOCKET SLD FOR SLIM NC4D RELAYRelay Socket Chassis Mount | Panasonic Electric Works |
| 4 | PRD-11DY0-12 | RELAY GEN PURPOSE DPDT 25A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | 1415899-2 | RZ01-1A4-D006Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 6 | PB-16T | I/O MOUNTING BRD STANDARD 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 7 | 70RCK16-HS | I/O MOUNTING BRD STANDARD 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 8 | G3TA-OA202SZ DC24 | OUTPUT MODULE AC QC 24VDCAC Output Module Output Module 0.05 ~ 2A 75 ~ 264VAC Output 24VDC (19.2 ~ 26.4VDC) Supply | Omron Automation and Safety |
| 9 | 73G-ITCJ | I/O MODULE J TYPE 12-BITAnalog Input Module Output Module Output Supply | Grayhill Inc. |