| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1254 | BOARD DGTL I/O RCM56/57XX | Digi International |
| 2 | C93422 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | TQ2-L-4.5V | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | PYF-14-PU | SOCKET FOR MY4 GEN PURP RELAYRelay | Omron Automation and Safety |
| 5 | 2967785 | 14MM PLC-HC BASIC TERM BLOCK 24VRelay Socket DIN Rail | Phoenix Contact |
| 6 | 2912497 | RELAY GEN PURPOSE DPDT 6A 12VGeneral Purpose with Socket Relay DPDT (2 Form C) 12VDC Coil DIN Rail | Phoenix Contact |
| 7 | KUHP-11AT1-120 | RELAY GEN PURPOSE DPDT 20A 120VGeneral Purpose Relay DPDT (2 Form C) 120VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | 1462051-4 | RELAY RF SPDT 2A 12V | TE Connectivity Potter & Brumfield Relays |
| 9 | 70M-IAC15 | INPUT MODULE AC 8MA 15VDCAC Input Module Output Module 10mA 15VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Grayhill Inc. |