| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6L-1F DC12 | RELAY TELECOM SPST 1A 12VTelecom Relay SPST-NO (1 Form A) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | RSL116075 | EXTENDED HEIGHT, 6 POLE/10 AMP,Relay | Amphenol Pcd |
| 4 | JRE400210 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 5 | JRS200300 | QUICK MOUNT, 2 POLERelay | Amphenol Pcd |
| 6 | JQ1A-5V-F | RELAY GENERAL PURPOSE SPST 5A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | T92P7A52-240 | RELAY GEN PURPOSE DPST 30A 240VGeneral Purpose Relay DPST-NO (2 Form A) 240VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | PB-24SM-C | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 9 | 2-1904058-7 | RELAY AUTO SPST-NO 20A 12V | TE Connectivity Potter & Brumfield Relays |