| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6JU-2P-Y DC12 | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | G6S-2G-Y-TR DC12 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | G6DN-1A-L DC5 | RELAY GEN PURPOSE SPST 5A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 5 | 70GRCK4 | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 6 | G7T-1112S-DC24V | RELAY BLOCK OUTPUT 24VDC NPNDC Output Module Output Module 5A 24VDC Output 24VDC Supply | Omron Automation and Safety |
| 7 | IDC5 | INPUT MODULE DC 34MA 5VDCDC Input Module Output Module 16mA 5VDC Output 3.3 ~ 32VDC (24VDC Nom) Supply | Sensata-Crydom |
| 8 | CB1A-T-P-24V | CB RELAY HR 1 FORM A 24V | Panasonic Electric Works |
| 9 | ARS10Y12X | 3 GHZ MICROWAVE RELAYS MINIATURE | Panasonic Electric Works |