| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 911498 | RSM 2 110VAC SPDT 10A SKTRelay | Weidmuller |
| 3 | 2900458 | TERM BLOCKRelay | Phoenix Contact |
| 4 | RT184005 | RELAY GEN PURPOSE SPST 10A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | ADJH21024 | RELAY GEN PURPOSE SPST 50A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 6 | RP420012 | RELAY GEN PURPOSE DPDT 8A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 2970743 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 8 | OAC-5A | OUTPUT MODULE AC STD 20MA 5VDCAC Output Module Output Module 0.05 ~ 3A 24 ~ 280VAC (240VAC Nom) Output 5VDC (3 ~ 8VDC) Supply | TE Connectivity Potter & Brumfield Relays |
| 9 | CB1AH-P-24V | RELAY AUTOMOTIVE SPST 70A 24V | Panasonic Electric Works |