| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TXS2-3V | RELAY GENERAL PURPOSE DPDT 1A 3VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | TX2SA-L2-9V-Z | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | 964597-1 | HALTER F RELAISRelay | TE Connectivity Potter & Brumfield Relays |
| 5 | BR230-290B2-28V-021M | RELAY GEN PURPOSE 4PDT 10A 28VGeneral Purpose Relay 4PDT (4 Form C) 28VDC Coil Chassis Mount | Microsemi Corporation |
| 6 | 8-1415513-1 | RELAY GEN PURPOSE SPST 16A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | RE032005 | RELAY GENERAL PURPOSE SPST 6A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | S2EB-12V | RELAY GEN PURPOSE 4PST 4A 12VGeneral Purpose Relay 4PST-NO/NC (2 Form A, 2 Form B) 12VDC Coil Through Hole | Panasonic Electric Works |
| 9 | 5529191 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |