Fail-Safe Relay Section
AssemblyThe fail-to-wire mechanism: latching relays hold the tap circuitry in the path while powered, and a charge reservoir snaps them to a direct metallic A–B connection within milliseconds of power loss. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Fail-Safe Relay Section
4 top-level lines as of r59235| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Relay | relay | 4× | 4 | · | part |
| 2 | Watchdog Controller | ethernet-tap-watchdog | 1× | 1 | · | part |
| 3 | Charge Reservoir | ethernet-tap-cap-bank | 1× | 1 | · | part |
| 4 | SMD Passive (R/C/L) | smd-passives | 25× | 25 | · | part |