| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TX2SS-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | RSE500414 | SMITHSRelay | Amphenol Pcd |
| 4 | 2900279 | TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |
| 5 | 4-1904045-3 | V23333Z0002A010-EV-896Relay | TE Connectivity Potter & Brumfield Relays |
| 6 | 2-1904045-5 | V23333Z1001B045-EV-311Relay | TE Connectivity Potter & Brumfield Relays |
| 7 | RV8H-L-D12 | RV 6MM ASSEMBLED 12VDCGeneral Purpose with Socket Relay SPDT (1 Form C) 12VDC Coil DIN Rail | IDEC |
| 8 | 70GRCK16I-DIN | I/O MOUNTING BOARD G5 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 9 | G6K-2F-RF-T DC5 | RELAY RF DPDT 1A 5V | Omron Electronics Inc-EMC Div |