| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2-L-12V | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | 911363 | RSM 2 24VAC DPDT 10A SKTRelay | Weidmuller |
| 4 | SM2S-05 | SOCKET DIN MOUNT SCREW TYPERelay Socket DIN Rail | IDEC |
| 5 | 1415044-1 | SOCKET 11PIN PCB TERMRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | 4-1393243-3 | RELAY GEN PURPOSE DPDT 8A 230VGeneral Purpose Relay DPDT (2 Form C) 230VAC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 2968373 | VARIOFACE OUTPUT MODULEI/O Module Rack 32 Channel | Phoenix Contact |
| 8 | 70LRCK8-DIN | I/O MOUNTING BOARD OPENLINE 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 9 | 7-1414967-8 | RELAY AUTO SPDT 30A 10V | TE Connectivity Raychem Cable Protection |