| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TX2SA-12V-X | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | NC2-L2SS | SOCKET SOLDER FOR SLIM NC2D-L2Relay Socket Chassis Mount | Panasonic Electric Works |
| 4 | RSL116112 | MCDONNEL DOUGLASRelay | Amphenol Pcd |
| 5 | RSE120051 | CONN RELAY SOCKETRelay | Amphenol Pcd |
| 6 | 27E023 | SOCKET PCB TERMINAL KH SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | V23047-A1021-A511 | RELAY SAFETY DPST 6A 21VSafety Relay DPST-NO/NC (1 Form A, 1 From B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | RP1-5V | RELAY RF SPDT 100MA 5V | Panasonic Electric Works |
| 9 | G6Z-1PE DC24 | RELAY RF SPDT 10MA 24V | Omron Electronics Inc-EMC Div |