| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1253 | BOARD SERIAL COMM RCM56/57XX | Digi International |
| 2 | LK-ZBA-NL | TELCO KIT W/ADAPTER & IEC-320 PO | Multi-Tech Systems Inc. |
| 3 | TXD2SA-5V-Z | RELAY GEN PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | G6A-274P-ST-US DC24 | RELAY GEN PURPOSE DPDT 2A 24VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 5 | 2900452 | TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |
| 6 | 27E162 | SOCKET DP-2P R10 SERIESRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | 2979485 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 8 | 2200-2302 | RELAY RF SPST 500MA 5V | Coto Technology |
| 9 | PB-8SM | I/O MOUNTING BOARD MINI 8POSI/O Module Rack 8 Channel | Sensata-Crydom |