| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | DS2E-SL2-DC6V | RELAY GENERAL PURPOSE DPDT 2A 6VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | MIS1CCN | DELCON BASE INPUT 1CH. Z CONNRelay Socket DIN Rail | Weidmuller |
| 4 | HC4-TSF-K | SOCKET SCRW FRONT WIRE HC4 RELAYRelay Socket DIN Rail | Panasonic Electric Works |
| 5 | 9-1415520-1 | RELAY GEN PURPOSE SPST-NC 16A 5VGeneral Purpose Relay SPST-NC (1 Form B) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | ARE10A4HZ | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |
| 7 | PB-24M-C | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 8 | ARS1003 | 3GHZ MICROWAVE RELAY | Panasonic Electric Works |
| 9 | V23134A1052C643 | RELAY AUTOMOTIVE SPDT 40A 12V | TE Connectivity Potter & Brumfield Relays |