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1186004L1-MX2820 CLOCK CARD

SKU :255841947

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Availability: Usually Ships in 24 to 48 hours



ADTRAN Clock Card - Expansion module

The MX2820 Clock Card is a plug-in card, which generates timing signal synchronized to either of two external BITS clock references. If both BITS clock references fail, the Clock Card will meet Sonet Minimum Clock (SMC) holdover requirements to produce the clock reference. This signal is used by the MX2820 to synchronize its STS-1 transmit. Two Clock Cards provide 1: 1 redundancy in the MX2820 system.

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