| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | HE2AN-Q-DC24V | RELAY GEN PURPOSE DPST 25A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VDC Coil Chassis Mount | Panasonic Electric Works |
| 3 | NC2EBD-DC5V | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Panasonic Electric Works |
| 4 | G4A-1A-E DC5 | RELAY GEN PURPOSE SPST 20A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 5 | 70RCK24-HS | I/O MOUNTING BRD STANDARD 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 6 | 2833628 | RELAY RETAINING BRACKETClip, Hold Down PR3 Series | Phoenix Contact |
| 7 | SLI125CR | DELCON 125VDCIN/60VDC 50MAOUTDC Input Module Output Module 50mA 0 ~ 60VDC Output 125VDC Supply | Weidmuller |
| 8 | G6KU-2F-RF DC3 | RELAY RF DPDT 1A 3V | Omron Electronics Inc-EMC Div |
| 9 | 2905985 | BRACKET RETAININGClip, Hold Down RIF-1 Relay Base | Phoenix Contact |