| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | G6KU-2G-Y DC5 | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | 03540506Z | RELAY SOCKET HOUSING ISORelay Housing Wiring Harness | Littelfuse Inc. |
| 4 | PRD-5AY0-120 | RELAY GEN PURPOSE SPDT 25A 120VGeneral Purpose Relay SPDT (1 Form C) 120VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 5 | ALE1PB48 | RELAY GEN PURPOSE SPST 16A 48VGeneral Purpose Relay SPST-NO (1 Form A) 48VDC Coil Through Hole | Panasonic Electric Works |
| 6 | PB-24M | I/O MOUNTING BOARD MINI 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 7 | 1-1462050-6 | RELAY RF SPDT 2A 4.5V | TE Connectivity Potter & Brumfield Relays |
| 8 | 70M-IAC24 | INPUT MODULE AC 8MA 24VDCAC Input Module Output Module 10mA 24VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Grayhill Inc. |
| 9 | G3TA-IAZR02S AC100-240 | INPUT MODULE AC 5MA 4-32VDCAC Input Module Output Module 25mA 4 ~ 32VDC Output 100 ~ 240VAC Supply | Omron Automation and Safety |