| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | KHU-17D16-24 | RELAY GEN PURPOSE 4PDT 1A 24VGeneral Purpose Relay 4PDT (4 Form C) Socketable | TE Connectivity Potter & Brumfield Relays |
| 3 | 2966317 | RELAY GEN PURPOSE SPST 50MA 24VGeneral Purpose with Socket Relay SPST-NO (1 Form A) DIN Rail | Phoenix Contact |
| 4 | HY1-9V | RELAY TELECOM SPDT 1A 9VTelecom Relay SPDT (1 Form C) Through Hole | Panasonic Electric Works |
| 5 | RSE112067 | LOW PROFILE, 3 POLE/25 AMP, WCRelay | Amphenol Pcd |
| 6 | RSE500509 | SMITHS, WC, NO HWRelay | Amphenol Pcd |
| 7 | HL2-HP-DC12V-F | RELAY GEN PURPOSE DPDT 10A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | Panasonic Electric Works |
| 8 | OMIH-SS-124LM,000 | RELAY GEN PURPRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 9 | G6C-2117P-US-DC5 | RELAY GENERAL PURPOSE DPST 8A 5VGeneral Purpose Relay DPST-NO/NC (1 Form A, 1 From B) 5VDC Coil Through Hole | Omron Electronics Inc-EMC Div |