| 摘要 |
A telecommunications server comprises a switch/larch mechanism for use in online removal or insertion of a peripheral card, such as a PCI card. A bulkhead is adapted for mating engagement with a bulkhead mounting bracket of the peripheral card when the peripheral card is installed in the switch/latch mechanism. A doorbell switch having a vertical range of motion is manually depressed to signal the server and commence an orderly shutdown of the peripheral card in advance of online replacement of the peripheral card. A panel switch provides a mechanical lock retaining the peripheral card in place, and also function as a backup power interrupt device to protect the peripheral card in the event that depression of the doorbell button does not result in an orderly shutdown of the peripheral card.
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