| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGN210A4HZ | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | TX2SA-5V | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | EE2-5NU | RELAY GEN PURPOSE DPDT 2A 5VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 5 | NC2-JPL2S | SOCKET PCB FOR FLAT NC2D-JPL2Relay Socket Through Hole | Panasonic Electric Works |
| 6 | 2820990 | CONN TERM BLOCKRelay | Phoenix Contact |
| 7 | NC4EBD-P-DC5V | RELAY GENERAL PURPOSE 4PDT 5A 5VGeneral Purpose Relay 4PDT (4 Form C) 5VDC Coil Through Hole | Panasonic Electric Works |
| 8 | 70MRCK16-EC | I/O MOUNTING BOARD MINI 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 9 | ARE13A4H | RELAY RF SPDT 500MA 4.5V | Panasonic Electric Works |