| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | V23026A1004B201 | RELAY GEN PURPOSE SPDT 1A 24VGeneral Purpose Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | NC4-JPL2S | SOCKET PCB FOR FLAT NC4D-JPL2Relay Socket Through Hole | Panasonic Electric Works |
| 4 | JRE400210 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 5 | M12883/45-01 | CONN BACKSHELLRelay | Amphenol Pcd |
| 6 | KUL-4230 | 7-1393115-6Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | S89R5DAC1-12 | RELAY IMPULSE SPDT 15A 12VImpulse Relay SPDT (1 Form C) 12VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | 2970743 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | 70MRCK24-DIN | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |