| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | D3212 | RELAY TELECOM DPDT 2A 24VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | HC1-WS-K | SOCKET WRAP WIRE/CLIP HC1 RELAYSRelay Socket Panel Mount | Panasonic Electric Works |
| 4 | KBP-11AG-120 | RELAY GEN PURPOSE DPDT 10A 120VGeneral Purpose Relay DPDT (2 Form C) 120VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | KRPA-14DG-48 | RELAY GEN PURPOSE 3PDT 10A 48VGeneral Purpose Relay 3PDT (3 Form C) 48VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 6 | PCF-112D1M-2,000 | PCF-112D1M-2,000Relay Coil | TE Connectivity Potter & Brumfield Relays |
| 7 | RP710012 | RELAY GEN PURPOSE SPDT 16A 12VGeneral Purpose Relay SPDT (1 Form C) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 2900066 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |
| 9 | ARE104H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |