| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGN2104H | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | G6K-2F-Y DC3 | RELAY TELECOM DPDT 1A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 4 | RT425012 | RELAY GEN PURPOSE DPDT 8A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 5 | 70GRCK16I-DIN | I/O MOUNTING BOARD G5 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 6 | 70LRCK16-HL | I/O MOUNTING BRD OPENLINE 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 7 | 70-ODC5A | OUTPUT MODULE DC STD 18MA 5VDCDC Output Module Output Module 0.02 ~ 3.5A 4 ~ 200VDC Output 5VDC (2.5 ~ 9VDC) Supply | Grayhill Inc. |
| 8 | 70M-IDC5NP | INPUT MODULE AC/DC 18MA 5VDCAC/DC Input Module Output Module 10mA 5VDC Output 15 ~ 32VAC, 10 ~ 32VDC Supply | Grayhill Inc. |
| 9 | CB1F-12V | RELAY AUTOMOTIVE SPDT 40A 12V | Panasonic Electric Works |