| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TX2SS-L2-9V-Z | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | 27E447 | RELAY SOCKET 4 POLE SOLDERRelay Socket Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | PT14-0 | RELAY SOCKET PC MNT FOR LY SERRelay Socket Through Hole | Omron Automation and Safety |
| 5 | MY4H-US DC24 | RELAY GEN PURPOSE 4PDT 3A 24VGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Socketable | Omron Automation and Safety |
| 6 | NC2D-DC24V | RELAY GEN PURPOSE DPDT 5A 24VGeneral Purpose Relay DPDT (2 Form C) 24VDC Coil Socketable | Panasonic Electric Works |
| 7 | RTX3-1AT-B003 | RELAY GEN PURPOSE SPST 16A 3VGeneral Purpose Relay SPST-NO (1 Form A) 3VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 2900068 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | PB-32C4 | I/O MOUNTING BOARD C4 32POSI/O Module Rack 32 Channel | Sensata-Crydom |