| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | RS2 | RELAY SOCKET 10 PINRelay Socket Channel, Track | Curtis Industries |
| 3 | DRSCN240 | SOCKET DIN-RAIL 190-250VAC CNRelay Socket DIN Rail | Sensata-Crydom |
| 4 | 03540542Z | REALY SOCKET HOUSING ISO 9PINRelay Housing Wiring Harness | Littelfuse Inc. |
| 5 | P7LF-06 | RELAY SOCKET SCREW FOR G7L SERRelay Socket Chassis Mount | Omron Electronics Inc-EMC Div |
| 6 | 2IO4B | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 7 | CRF05-1A | RELAY RF SPST 500MA 5V | Standex-Meder Electronics |
| 8 | ARE10A03 | RELAY RF SPDT 500MA 3V | Panasonic Electric Works |
| 9 | TRM0 | COPPER LUG TERMINALTerminal SSR Output Terminals | Sensata-Crydom |