| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6A-274P-ST15-US-DC48 | RELAY GEN PURPOSE DPDT 2A 48VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | AGN21012 | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | 9-1415043-1 | RELAY SOCKETRelay | TE Connectivity Potter & Brumfield Relays |
| 5 | RZ03-1A4-D012 | RELAY GEN PURPOSE SPST 16A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | 5-1904012-1 | V23234C1001X005-EV-100Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | 18782B200 | RELAY GEN PURPOSE DPDT 20A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | TX2SA-LT-3V-TH | RELAY GENERAL PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) 3VDC Coil Surface Mount | Panasonic Electric Works |
| 9 | 2972916 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |