| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6KU-2F-Y DC5 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | HC1-SS-K | SOCKET SLD TAB/CLIP HC1 RELAYSRelay Socket Panel Mount | Panasonic Electric Works |
| 4 | R10-E1Y4-J10.0K | RELAY GEN PURPOSE 4PDT 3A 48VGeneral Purpose Relay 4PDT (4 Form C) 48VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | KUL-11D15D-110 | RELAY GEN PURPOSE DPDT 10A 110VGeneral Purpose Relay DPDT (2 Form C) 110VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | 8-1415077-1 | PB114009Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | 70GRCK16I | I/O MOUNTING BOARD G5 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 8 | 70MRCK24-RL | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 9 | JSM1-12V-5 | RELAY AUTOMOTIVE SPDT 15A 12V | Panasonic Electric Works |