| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-VCS1CL | VOICE CALL SWITCH W/ 1M CABLE | Digi International |
| 2 | 2-1462039-7 | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | TX2SA-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 910521 | RELAY SOCKET RS KU2 120VAC 1CHRelay Socket DIN Rail | Weidmuller |
| 5 | 1904045-4 | V23333Z0002A041-EV-000Relay | TE Connectivity Potter & Brumfield Relays |
| 6 | PY14-02 | RELAY SOCKET 4PDT PCB MNT MYRelay Socket Through Hole | Omron Automation and Safety |
| 7 | 2IO4A | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | TE Connectivity Potter & Brumfield Relays |
| 8 | ARS14A4H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |
| 9 | CB1-12V | RELAY AUTOMOTIVE SPDT 40A 12V | Panasonic Electric Works |