
Hot-Swapping Hardware Components
109352-E Rev. A 5-7
To replace the 3-V lithium battery:
1. Insert a slender pointed object, such as the end of a paper clip, into the
hole on the upper side of the SRAM card (near the battery holder).
2. Release the battery holder by pressing the paper clip inward and pulling
the battery holder straight out of the card.
3. Replace the old battery with a new one, making certain to match the
polarity as shown on the battery holder.
4. Squeeze the holder containing the new battery tightly, and reinsert it into
the battery cavity until it snaps into place.
Replacing a Link Module or SRM-L
The Backbone Node hot-swap feature allows you to remove and replace a link
module or SRM-L with the power on or off.
Caution: While the PCMCIA SRAM card is installed in a BayStream
hardware platform, there is no drain on the 3-V lithium battery. Battery drain
occurs only when the PCMCIA SRAM card is removed from the BayStream
platform. To ensure data integrity, we recommend that the battery be
replaced yearly.
Note: When the battery holder is free of the card, the battery will fall out.
Caution: The battery must be replaced within 30 minutes, or data will be
lost.
Danger: A potential energy hazard exists during hot-swap service of link
modules. Do not remove more than two adjacent modules without turning
off the BN.
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