| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 910507 | RSM 4 24VAC SPDT 10A SOCKETRelay | Weidmuller |
| 3 | RSE116749 | LOW PROFILE, 3 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 4 | 2942108 | RELAY GEN PURPOSE SPST 6A 24VGeneral Purpose with Socket Relay SPST-NO (1 Form A) 24VDC Coil DIN Rail | Phoenix Contact |
| 5 | 5603154 | RELAY GEN PURPOSE SPDT 6A 24VGeneral Purpose with Socket Relay SPDT (1 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 6 | 70G-ODC5R | OUTPUT MODULE G5 10MA 5VDCDC Output Module Output Module 0.5A 0 ~ 120VAC, 0 ~ 100VDC Output 5VDC (4.8 ~ 6VDC) Supply | Grayhill Inc. |
| 7 | ARS34A12 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |
| 8 | JSM1A-9V-4 | RELAY AUTOMOTIVE SPST 10A 9V | Panasonic Electric Works |
| 9 | G6KU-2F-RF-TR09DC24 | RELAY RF DPDT 1A 24V | Omron Electronics Inc-EMC Div |