| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | 6-1415073-1 | RELAY GEN PURPOSE SPDT 16A 230VGeneral Purpose with Socket Relay SPDT (1 Form C) 230VAC Coil DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 3 | V23105A5302A201 | RELAY TELECOM DPDT 3A 6VTelecom Relay DPDT (2 Form C) 6VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 4 | RM202615 | RELAY GEN PURPOSE DPDT 16A 115VGeneral Purpose Relay DPDT (2 Form C) 115VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | PB-8H | I/O MOUNTING BOARD STANDARD 8POSI/O Module Rack 8 Channel | Sensata-Crydom |
| 6 | ARA220A05 | RELAY RF DPDT 1A 5V | Panasonic Electric Works |
| 7 | G9SA-EX031-T075 | RELAY SAFETY EXP UNIT 3PExpansion Module G9SA Series | Omron Automation and Safety |
| 8 | CB1AVF-12V | CB RELAY 1 FORM A 35A 12V | Panasonic Electric Works |
| 9 | CB1AV-R-24V | CB RELAY 1 FORM A 35A 24V | Panasonic Electric Works |