| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | KHAU-17D16-12 | RELAY GEN PURPOSE 4PDT 1A 12VGeneral Purpose Relay 4PDT (4 Form C) Socketable | TE Connectivity Potter & Brumfield Relays |
| 3 | DS1E-S-DC48V | RELAY GEN PURPOSE SPDT 2A 48VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 4 | 2900279 | TERM BLOCKRelay Socket DIN Rail | Phoenix Contact |
| 5 | 27E220 | SOCKET DP-2P FOR PT SERIESRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | PB-8SM-B | I/O MOUNTING BOARD MINI 8POSI/O Module Rack 8 Channel | Sensata-Crydom |
| 7 | 70G-IDC15 | INPUT MODULE DC 18MA 15VDCDC Input Module Output Module 10mA 15VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |
| 8 | ARS1212 | RELAY RF SPDT 500MA 12V | Panasonic Electric Works |
| 9 | ARS1124 | ARS (RS) HIGH FREQUENCY RELAY | Panasonic Electric Works |