| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TXS2SS-24V-X | RELAY GEN PURPOSE DPDT 1A 24VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G6SU-2F-TR DC5 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | TQ2-2M-12V | RELAY TELECOM DPDT 1A 12VTelecom Relay DPDT (2 Form D) Through Hole | Panasonic Electric Works |
| 5 | 70RCK24 | I/O MOUNTING BRD STANDARD 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 6 | ARE10A4HZ | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |
| 7 | CM1-R-24V | CM RELAY 1 FORM C 24V | Panasonic Electric Works |
| 8 | DRIAC5A | INPUT MODULE AC 5MA 5VDCAC Input Module Output Module 28mA 5VDC Output 180 ~ 280VAC (240VAC Nom) Supply | Sensata-Crydom |
| 9 | G6WU-1F DC24 | RELAY RF SPDT 10MA 24V | Omron Electronics Inc-EMC Div |