| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGQ200S24Z | RELAY TELECOM DPDT 2A 24VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 910359 | RELAY SOCKET 120VAC 8POS OCTALRelay Socket DIN Rail | Weidmuller |
| 4 | 5521814 | RELAY SOCKETRelay Socket DIN Rail | Phoenix Contact |
| 5 | PT570012 | RELAY GEN PURPOSE 4PDT 6A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | V23057B 2A101 | RELAY GEN PURPOSE SPDT 5A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | T9AS2L22-24 | RELAY GEN PURPOSE SPST 15A 24VGeneral Purpose Relay SPST-NC (1 Form B) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | NC2EBD-DC5V | RELAY GENERAL PURPOSE DPDT 5A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Panasonic Electric Works |
| 9 | ARS10Y4H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |