| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-VCH2CLRC | VOICE CALL HANDSET 2M CABLE RJ11 | Digi International |
| 2 | TQ2SA-9V | RELAY TELECOM DPDT 2A 9VTelecom Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | SH4B-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 4 | HE1AN-W-DC9V-Y6 | RELAY GEN PURPOSE SPST 90A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 5 | RH4V2-UDC24V | RELAY PCB 4PDT 10A 24VDCGeneral Purpose Relay 4PDT (4 Form C) 24VDC Coil Through Hole | IDEC |
| 6 | DSP2A-L2-DC3V | RELAY GENERAL PURPOSE DPST 5A 3VGeneral Purpose Relay DPST-NO (2 Form A) 3VDC Coil Through Hole | Panasonic Electric Works |
| 7 | ADW1224HTW | RELAY GEN PURPOSE SPST 16A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | Panasonic Electric Works |
| 8 | TX2-LT-3V-TH | RELAY GENERAL PURPOSE DPDT 2A 3VGeneral Purpose Relay DPDT (2 Form C) 3VDC Coil Through Hole | Panasonic Electric Works |
| 9 | 70RCK4R | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Grayhill Inc. |