| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6EK-134P-ST-US-DC24 | RELAY GEN PURPOSE SPDT 2A 24VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Omron Electronics Inc-EMC Div |
| 3 | ALA2F12 | RELAY GEN PURPOSE DPST 3A 12VGeneral Purpose Relay DPST-NO (2 Form A) 12VDC Coil Through Hole | Panasonic Electric Works |
| 4 | 70MRCK24-DIN | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 5 | G6K-2F-RF-S DC4.5 | RELAY RF DPDT 1A 4.5V | Omron Electronics Inc-EMC Div |
| 6 | 70G-IAC5 | INPUT MODULE AC 8MA 5VDCAC Input Module Output Module 10mA 5VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Grayhill Inc. |
| 7 | ARS34A24 | RELAY RF SPDT 500MA 24V | Panasonic Electric Works |
| 8 | PLC | SOCKET CLIP MK PCBClip, Hold Down PL08 and PL11 Sockets | Omron Automation and Safety |
| 9 | 2611-05-321 | RELAY RF SPDT 250MA 5V | Coto Technology |