| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 1462039-6 | RELAY TELECOM DPDT 2A 24VTelecom Relay DPDT (2 Form C) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 3 | HY1-9V | RELAY TELECOM SPDT 1A 9VTelecom Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 4 | MY4H-US DC12 | RELAY GEN PURPOSE 4PDT 3A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | Omron Automation and Safety |
| 5 | 2903341 | RELAY GEN PURPOSE SPDT 10A 24VGeneral Purpose with Socket Relay SPDT (1 Form C) 24VAC Coil DIN Rail | Phoenix Contact |
| 6 | 1-1393240-1 | RELAY GEN PURPOSE SPDT 16A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 70LRCK8-HL | I/O MOUNTING BOARD OPENLINE 8POSI/O Module Rack 8 Channel | Grayhill Inc. |
| 8 | 70MRCK16-RS | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 9 | 70-ODC24B | OUTPUT MODULE DC STD 9MA 24VDCDC Output Module Output Module 0.02 ~ 3.5A 3 ~ 60VDC Output 24VDC (15 ~ 30VDC) Supply | Grayhill Inc. |