| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 405-0023 | HEADER 2X5 0.100 IN PITCH | Digi International |
| 3 | 1462043-3 | RELAY TELECOM DPST-NO 2A 5VTelecom Relay DPST-NO (2 Form A) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | SP4-PS | SOCKET PCB FOR SP4 RELAYSRelay Socket Through Hole | Panasonic Electric Works |
| 5 | HC2-PS-K | ACCY RELAY SOCKET W/CLIP HC2 PCBRelay Socket Through Hole | Panasonic Electric Works |
| 6 | PB134024 | RELAY GEN PURPOSE SPST 10A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | T9AS5D22-110 | RELAY GEN PURPOSE SPDT 20A 110VGeneral Purpose Relay SPDT (1 Form C) 110VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | HE1AN-S-DC24V | RELAY GEN PURPOSE SPST 30A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Chassis Mount | Panasonic Electric Works |
| 9 | 70RCK32-HL | I/O MOUNTING BRD STANDARD 32POSI/O Module Rack 32 Channel | Grayhill Inc. |