| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1253 | BOARD SERIAL COMM RCM56/57XX | Digi International |
| 2 | 4-1462039-1 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | 2903336 | RELAY GEN PURPOSE SPDT 50MA 120VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 4 | 2980445 | TERM BLOCKRelay | Phoenix Contact |
| 5 | PT08 | RELAY SOCKET SLDR EAR LY SERRelay Socket Panel Mount | Omron Automation and Safety |
| 6 | P2R-087P | RELAY SOCKET PC MNT FOR G2R-2-SRelay Socket Through Hole | Omron Automation and Safety |
| 7 | REL30012 | RELAY GEN PURPOSE SPST 6A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 73G-OI420 | I/O MODULE 4-20MA 12-BIT;3.90UAAnalog Output Module Output Module Output Supply | Grayhill Inc. |
| 9 | ACTP212 | RELAY AUTOMOTIVE SPDTX2 30A 12V | Panasonic Electric Works |