| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2SA-L2-5V-X | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G6AK-234P-ST-US-DC5 | RELAY GENERAL PURPOSE DPDT 1A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 4 | 03540507Z | RELAY SOCKET HOUSING MICRO TRIPLRelay Housing Wiring Harness | Littelfuse Inc. |
| 5 | PT2S7LC4 | RELAY GEN PURPOSE DPDT 12A 24VGeneral Purpose with Socket Relay DPDT (2 Form C) 24VDC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 6 | 2961309 | RELAY GEN PURPOSE SPDT 16A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | Phoenix Contact |
| 7 | G9EA-1-B-CA DC12 | RELAY GEN PURPOSE SPST 100A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 8 | RT334012F | RELAY GEN PURPOSE SPST 16A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70GRCK16-HS | I/O MOUNTING BOARD G5 16POSI/O Module Rack 16 Channel | Grayhill Inc. |