| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TX2SA-L2-12V | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | TXS2-L2-12V | RELAY GEN PURPOSE DPDT 1A 12VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | 2271484 | RETAINER FOR MINI RELAYRelay | Phoenix Contact |
| 5 | PTF21PC | RELAY SOCKET CHASSIS MT MJNRelay Socket Chassis Mount | Omron Automation and Safety |
| 6 | JW1-PS | ACCY RELAY SOCKET FOR JW1 SER PCRelay Socket Through Hole | Panasonic Electric Works |
| 7 | KRPA-11DN-110 | RELAY GEN PURPOSE DPDT 10A 110VGeneral Purpose Relay DPDT (2 Form C) 110VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 8 | G7L-2A-BUB-CB-DC24 | RELAY GEN PURPOSE DPST 25A 24VGeneral Purpose Relay DPST-NO (2 Form A) 24VDC Coil Chassis Mount | Omron Electronics Inc-EMC Div |
| 9 | OAC-5A | OUTPUT MODULE AC STD 20MA 5VDCAC Output Module Output Module 0.05 ~ 3A 24 ~ 280VAC (240VAC Nom) Output 5VDC (3 ~ 8VDC) Supply | TE Connectivity Potter & Brumfield Relays |