| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | JMACD-5XP | RELAY GENERAL PURPOSE DPDT 1A 5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | TE Connectivity Aerospace, Defense and Marine |
| 3 | 2271390 | PLUG-IN BASE STD I/O MODULESRelay Socket Through Hole | Phoenix Contact |
| 4 | 2966058 | RELAY SOCKET TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |
| 5 | R10-E1Y2-V2.5K | RELAY GEN PURPOSE DPDT 3A 48VGeneral Purpose Relay DPDT (2 Form C) 48VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | P6B-C2 | HOLD DOWN CLIP FOR PCB RELAYClip, Hold Down G6B Series | Omron Electronics Inc-EMC Div |
| 7 | G6K-2F-RF-T-TR03 DC9 | RELAY RF DPDT 1A 9V | Omron Electronics Inc-EMC Div |
| 8 | 70-IDC24NP | INPUT MODULE AC/DC 18MA 24VDCAC/DC Input Module Output Module 10mA 24VDC Output 15 ~ 32VAC, 10 ~ 32VDC Supply | Grayhill Inc. |
| 9 | 70L-OAC-L | OUTPUT MODULE AC 7MA 5VDCAC Output Module Output Module 0.03 ~ 2A 24 ~ 140VAC (120VAC Nom) Output 5VDC (4.5 ~ 28VDC) Supply | Grayhill Inc. |