| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TQ2SA-L-5V-Z | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | RSL116061 | EXTENDED HEIGHT, 4 POLE/10 AMP,Relay | Amphenol Pcd |
| 4 | 2834724 | RELAY GEN PURPOSE 4PDT 5A 24VGeneral Purpose with Socket Relay 4PDT (4 Form C) 24VDC Coil DIN Rail | Phoenix Contact |
| 5 | ADJH23012 | RELAY GEN PURPOSE SPST 50A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | Panasonic Electric Works |
| 6 | G2R-1A4-DC5 | RELAY GEN PURPOSE SPST 8A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 7 | 20C249 | R10 WIRE HOLD DOWN SPRING 2 POLEClip, Hold Down R10 Series | TE Connectivity Potter & Brumfield Relays |
| 8 | G3R-IDZR1SN DC5 | INPUT MODULE DC 8MA 4-32VDCDC Input Module Output Module 100mA 4 ~ 32VDC Output 4 ~ 6VDC (5VDC Nom) Supply | Omron Automation and Safety |
| 9 | 70G-OAC5RLY | OUTPUT MODULE G5 26MA 5VDCAC Output Module Output Module 3A 0 ~ 250VAC, 0 ~ 110VDC Output 5VDC (4.8 ~ 6VDC) Supply | Grayhill Inc. |