| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 5-1462037-8 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | AGN210S4HZ | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | TXS2-L-4.5V | RELAY GEN PURPOSE DPDT 1A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 5 | 5601978 | RELAY SOCKET OCTAL DPDT 10ARelay Socket DIN Rail | Phoenix Contact |
| 6 | RSE500412 | SMITHS, LCRelay | Amphenol Pcd |
| 7 | G5LE-1-CF DC12 | RELAY GEN PURPOSE SPDT 10A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | G6KU2FRFTDC5 | RELAY RF DPDT 1A 5V | Omron Electronics Inc-EMC Div |
| 9 | PB-16SM-V | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Sensata-Crydom |