| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TX2-L2-4.5V | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | TX2SA-L2-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | TQ2SL-L2-1.5V | RELAY TELECOM DPDT 2A 1.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 5 | TX2-L2-5V-1 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 6 | HY1-24V | RELAY TELECOM SPDT 1A 24VTelecom Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 7 | RSL116091 | EXTENDED HEIGHT, 2 POLE/10 AMP,Relay | Amphenol Pcd |
| 8 | 1904045-6 | V23333Z0001B046-EV-000Relay | TE Connectivity Potter & Brumfield Relays |
| 9 | KUL-4230 | 7-1393115-6Relay Coil | TE Connectivity Potter & Brumfield Relays |