| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 20-101-1253 | BOARD SERIAL COMM RCM56/57XX | Digi International |
| 2 | 2961516 | RELAY GEN PURPOSE SPDT 50MA 120VGeneral Purpose Relay SPDT (1 Form C) Through Hole | Phoenix Contact |
| 3 | TQ2SA-5V-Z | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 4 | DS2E-S-DC48V | RELAY GEN PURPOSE DPDT 2A 48VGeneral Purpose Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 5 | 27E740 | SOCKET 4POLE R10 SERSOCKET 4POLE R10 SER | TE Connectivity Potter & Brumfield Relays |
| 6 | 27E488 | SOCKET RELAY SOLD TERM K10 SERRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 7 | HE1AN-W-DC9V-Y6 | RELAY GEN PURPOSE SPST 90A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 8 | SP2-DC5V | RELAY GEN PURPOSE DPDT 15A 5VGeneral Purpose Relay DPDT (2 Form C) 5VDC Coil Socketable | Panasonic Electric Works |
| 9 | V23047-A1021-A511 | RELAY SAFETY DPST 6A 21VSafety Relay DPST-NO/NC (1 Form A, 1 From B) 21VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |