| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | C93418 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | 9-1393809-1 | RELAY SOCKET PCB SIZE IIRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 4 | V23047-A1018-A501 | RELAY SAFETY DPDT 6A 18VSafety Relay DPDT (2 Form C) 18VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | 5601741 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 6 | 2900954 | RIF-RH-2 | Phoenix Contact |
| 7 | G8W-1C6T-F-R-DC12 | RELAY AUTOMOTIVE SPDT 20A 12V | Omron Electronics Inc-EMC Div |
| 8 | CB1F-T-D-M-12V | RELAY AUTOMOTIVE SPDT 40A 12V | Panasonic Electric Works |
| 9 | PES1-S5-S9-M-TR | CONVERT DC/DC 1W 9V 111MA OUTIsolated Module DC DC Converter 1 Output 9V 111mA 4.5V - 5.5V Input | CUI Inc. |