| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | D3012 | RELAY TELECOM DPDT 2A 24VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | TX2SA-L2-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | DS1E-ML2-DC24V | RELAY GEN PURPOSE SPDT 2A 24VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 5 | TQ2-L-5V | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 6 | SP4-WS | SOCKET WRAPPING FOR SP4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |
| 7 | 608BR | 608BR=ASSEMBLYRelay | TE Connectivity AMP Connectors |
| 8 | PYF-08-PU | SOCKET FOR MY2 GEN PURP RELAYRelay | Omron Automation and Safety |
| 9 | 2966090 | 6.2MM PLC BASIC TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |