| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | SJ1S-05BW | DIN SOCKET FOR RJ1Relay Socket DIN Rail | IDEC |
| 3 | 03540507Z | RELAY SOCKET HOUSING MICRO TRIPLRelay Housing Wiring Harness | Littelfuse Inc. |
| 4 | P7LF-06 | RELAY SOCKET SCREW FOR G7L SERRelay Socket Chassis Mount | Omron Electronics Inc-EMC Div |
| 5 | DSP1A-DC24V-R | RELAY GEN PURPOSE SPST 8A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 6 | PCFN-112H2MG,000 | RELAY GEN PURPOSE SPST 26A 12VGeneral Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | 70GRCQ24-HS | I/O MOUNTING BOARD G5 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 8 | ARE13A24Z | RELAY RF SPDT 500MA 24V | Panasonic Electric Works |
| 9 | CB1F-R-P-24V | RELAY AUTOMOTIVE SPDT 20A 24V | Panasonic Electric Works |