| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | TQ2-L-4.5V | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 2 | D3063 | RELAY TELECOM DPDT 2A 5VTelecom Relay DPDT (2 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | 1462041-3 | RELAY TELECOM SPST 2A 12VTelecom Relay SPST-NO (1 Form A) Surface Mount | TE Connectivity Potter & Brumfield Relays |
| 4 | 4-1904045-4 | V23333Z0002A041-EV-896Relay | TE Connectivity Potter & Brumfield Relays |
| 5 | TX2SS-LT-12V-TH | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Surface Mount | Panasonic Electric Works |
| 6 | 70GRCK24-HL | I/O MOUNTING BOARD G5 24POSI/O Module Rack 24 Channel | Grayhill Inc. |
| 7 | MS-4 | I/O MOUNTING BOARD MINI 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 8 | SY4S-02F1 | RELAY HOLD DOWN SPRINGClip, Hold Down RY Series Sockets | IDEC |
| 9 | PB-32D-V | I/O MOUNTING BOARDI/O Module Rack Channel | Sensata-Crydom |