| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275EU | MTRAK M275 EVENT UNIT | Digi International |
| 2 | TX2-L-24V-1 | RELAY TELECOM DPDT 1A 24VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | G6S-2F-Y-TR DC3 | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | G6A-274P-ST-US DC12 | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 5 | RSE500316 | SMITHSRelay | Amphenol Pcd |
| 6 | PL08 | RELAY SOCKET DPDT PANEL MT MKRelay Socket Panel Mount | Omron Automation and Safety |
| 7 | PRD-11DY0-24 | RELAY GEN PURPOSE DPDT 25A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | T9GS1L24-12 | T9GS1L24-12General Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 70M-IAC5 | INPUT MODULE AC 8MA 5VDCAC Input Module Output Module 10mA 5VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Grayhill Inc. |