| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6S-2G-TR DC9 | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | TX2SA-L2-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | NC4-JPS | SOCKET PCB FOR FLAT NC4D-JPRelay Socket Through Hole | Panasonic Electric Works |
| 5 | 2912578 | RELAY GEN PURPOSE DPDT 6A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 6 | ARE13A03 | RELAY RF SPDT 500MA 3V | Panasonic Electric Works |
| 7 | 70G-IDC5B | INPUT MODULE DC 18MA 5VDCDC Input Module Output Module 18mA 5VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |
| 8 | 2-1904058-5 | RELAY AUTO SPST-NO 20A 12V | TE Connectivity Potter & Brumfield Relays |
| 9 | CB1AH-D-24V | CB HIGH CAP WITH DIODE 24V COIL | Panasonic Electric Works |