| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | 2-1462039-9 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | 3-1462039-1 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | RSL116090-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 5 | RS4 | RELAY SOCKET 16 PINRelay Socket Channel, Track | Curtis Industries |
| 6 | HJ4-SFD | SOCKET TERM 2/4CH FOR HJ4 RELAYSRelay Socket DIN Rail | Panasonic Electric Works |
| 7 | 27E129 | R10 RELAY SOCKETS-TERMINALSRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | HC4-TSF-K | SOCKET SCRW FRONT WIRE HC4 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 9 | SY2S-05 | SOCKET DIN MOUNT SCREW TYPERelay Socket DIN Rail | IDEC |