| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | G2RV-SR500-AP AC/DC48 | RELAY GEN PURPOSE SPDT 50MA 48VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Omron Automation and Safety |
| 3 | TXD2-L-5V | RELAY GENERAL PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | G6A-274P-ST40-US-DC5 | RELAY GENERAL PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 5 | G6K-2F-Y DC5 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 6 | 1393824-3 | RELAY SOCKETRelay | TE Connectivity Potter & Brumfield Relays |
| 7 | RSE116702-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 8 | DRS4 | DIN-RAIL SOCKET FOUR CHAN RELAYRelay Socket DIN Rail | Sensata-Crydom |
| 9 | HC4-SS-K | SOCKET SLD TAB W/CLIP HC4 RELAYRelay Socket Panel Mount | Panasonic Electric Works |