| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGQ200A12Z | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 1393824-4 | RELAY SOCKET SOLDER SIZE IRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | DSP1-DC24V-R-F | RELAY GEN PURPOSE DPST 5A 24VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 24VDC Coil Through Hole | Panasonic Electric Works |
| 5 | 1-1415020-1 | RTE24F06Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 6 | 70RCK4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 7 | 1462052-3 | RELAY RF SPDT 2A 5V | TE Connectivity Potter & Brumfield Relays |
| 8 | PB-16SM-C | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |
| 9 | SM-OAC5AR | OUTPUT MODULE AC MINI 20MA 5VDCAC Output Module Output Module 0.05 ~ 3.5A 24 ~ 280VAC (240VAC Nom) Output 5VDC (2.75 ~ 8VDC) ... | Sensata-Crydom |