| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-VCS1CL | VOICE CALL SWITCH W/ 1M CABLE | Digi International |
| 2 | 2903337 | RELAY GEN PURPOSE SPDT 50MA 24VGeneral Purpose with Socket Relay SPDT (1 Form C) DIN Rail | Phoenix Contact |
| 3 | 7004570 | RMOB-JR-2-110ACRelay Socket DIN Rail | Phoenix Contact |
| 4 | JRE200301 | QUICK MOUNT, 2 POLE WCRelay | Amphenol Pcd |
| 5 | SFY4-DC12V | RELAY SAFETY 6PST 6A 12VSafety Relay 6PST-NO/NC (4 Form A, 2 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 6 | R10S-E2Y1-J1.0K | RELAY GENERAL PURPOSE SPDT 3A 5VGeneral Purpose Relay SPDT (1 Form C) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | RT114110 | RELAY GEN PURPOSE SPDT 12A 110VGeneral Purpose Relay SPDT (1 Form C) 110VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | KHAU-11D12-12 | RELAY GEN PURPOSE DPDT 5A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 9 | 70MRCK8-HS | I/O MOUNTING BOARD MINI 8POSI/O Module Rack 8 Channel | Grayhill Inc. |