| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | 1423750-3 | ECR0002C2008002=RELAY SOCKET KRelay | TE Connectivity Aerospace, Defense and Marine |
| 3 | RSE116669 | LOW PROFILE, 4 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 4 | SJ1S-07LW | FINGERSAFE DIN SOCKET FOR RJ1Relay Socket DIN Rail | IDEC |
| 5 | 5521322 | FLKM4-I/O-G4Relay Socket DIN Rail | Phoenix Contact |
| 6 | MJN2C-DC12 | RELAY GEN PURPOSE DPDT 10A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 7 | ALE1PB24 | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 8 | MKS3PIN-5 AC24 | RELAY GEN PURPOSE 3PDT 10A 24VGeneral Purpose Relay 3PDT (3 Form C) 24VAC Coil Socketable | Omron Automation and Safety |
| 9 | V23057B0006A102 | RELAY GEN PURPOSE SPST 5A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |