| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | AGN2104H | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | EE2-3SNU-L | RELAY GEN PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | KEMET |
| 4 | 8869420000 | SCM-I 4CORelay Socket DIN Rail | Weidmuller |
| 5 | PYF08A-N | RELAY SOCKET TRACK MOUNTRelay Socket DIN Rail | Omron Automation and Safety |
| 6 | SP2-SF | ACCY RELAY SOCKET SP SCREW TERMRelay Socket Chassis Mount | Panasonic Electric Works |
| 7 | G6B-2014P-US DC24 | RELAY GEN PURPOSE DPST 5A 24VGeneral Purpose Relay DPST-NC (2 From B) 24VDC Coil Through Hole | Omron Electronics Inc-EMC Div |
| 8 | 2968373 | VARIOFACE OUTPUT MODULEI/O Module Rack 32 Channel | Phoenix Contact |
| 9 | RP28500 | METAL RETAINING CLIP RT RP RYClip, Hold Down RP78 Sockets, SCHRACK | TE Connectivity Potter & Brumfield Relays |