| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGQ200A03Z | RELAY TELECOM DPDT 2A 3VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | JRS400400 | QUICK MOUNT, 4 POLERelay | Amphenol Pcd |
| 4 | DK1A-PSL2 | SOCKET LATCH FOR 1FORMA DK RELAYRelay Socket Through Hole | Panasonic Electric Works |
| 5 | ST-PS | SOCKET RELAY ST1/ST2 PC MNTRelay Socket Through Hole | Panasonic Electric Works |
| 6 | 2966016 | TERM BLOCK W/O RELAY OR OPTORelay Socket DIN Rail | Phoenix Contact |
| 7 | RMC05730 | RELAY GEN PURPOSE SPDT 30A 230VGeneral Purpose Relay SPDT (DB/DM) (1 Form Z) 230VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |
| 8 | 70GRCK4R | I/O MOUNTING BOARD G5 4POSI/O Module Rack 4 Channel | Grayhill Inc. |
| 9 | 70G-OAC5-L | OUTPUT MODULE AC G5 20MA 5VDCAC Output Module Output Module 0.03 ~ 3.5A 24 ~ 140VAC (120VAC Nom) Output 5VDC (4 ~ 6VDC) Suppl... | Grayhill Inc. |