| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 4-1393808-9 | RELAY GEN PURPOSE 4PDT 2A 12VGeneral Purpose Relay 4PDT (4 Form C) Socketable | TE Connectivity Potter & Brumfield Relays |
| 3 | TX2SA-L-3V | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | TSC-124D3H,000 | RELAY TELECOM SPDT 1A 24VTelecom Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | AGQ2004H | RELAY TELECOM DPDT 2A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 6 | PRD-11AY0-120 | RELAY GEN PURPOSE DPDT 25A 120VGeneral Purpose Relay DPDT (2 Form C) 120VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | MKS2PI-2 DC12 | RELAY GEN PURPOSE DPDT 10A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 8 | HC2-HP-DC12V-F | RELAY GEN PURPOSE DPDT 7A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | Panasonic Electric Works |
| 9 | OJ-SS-124LMHF,000 | RELAY GEN PURPOSE SPST 8A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |