| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | T81N5D312-05 | RELAY TELECOM SPDT 1A 5VTelecom Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | RSE116679 | LOW PROFILE, 4 POLE/10 AMP, WCRelay | Amphenol Pcd |
| 4 | 2968386 | I/O MOUNTING BOARD 8POSI/O Module Rack 8 Channel | Phoenix Contact |
| 5 | 2973041 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 6 | RT28516 | CLIP RETAINING METAL PCBClip, Hold Down RP78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |
| 7 | 70-OAC5-L | OUTPUT MODULE AC STD 16MA 5VDCAC Output Module Output Module 0.03 ~ 3.5A 24 ~ 140VAC (120VAC Nom) Output 5VDC (2.5 ~ 10VDC) S... | Grayhill Inc. |
| 8 | ARS104H | ARS (RS) HIGH FREQUENCY RELAY | Panasonic Electric Works |
| 9 | ARS1024 | ARS (RS) HIGH FREQUENCY RELAY | Panasonic Electric Works |