Cross-connecting module
First Claim
1. A cross-connecting module comprising:
- demultiplexing means for sequentially byte-interleave-demultiplexing multiplexed transmission data into a plurality of demultiplexed data;
first replacing means for replacing pointer information indicating a leading address of a data storage area of each of second and subsequent demultiplexed data, which are byte-interleave-demultiplexed by said demultiplexing means, with pointer information indicating a leading address of a data storage area of first demultiplexed data;
cross-connecting means for cross-connecting the first demultiplexed data from said demultiplexing means with the second and subsequent demultiplexed data from said first replacing means;
second replacing means for replacing the pointer information of each of the second and subsequent demultiplexed data from said cross-connecting means with a preset specific value; and
multiplexing means for byte-interleave-multiplexing the first demultiplexed data from said cross-connecting means with the second and subsequent demultiplexed data from said second replacing means.
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Abstract
A cross-connecting module includes a demultiplexing unit, a first replacing unit, a cross-connecting unit, a second replacing unit, and a multiplexing unit. The demultiplexing unit sequentially byte-interleave-demultiplexes multiplexed transmission data into a plurality of demultiplexed data. The first replacing unit replaces pointer information indicating a leading address of a data storage area of each of the second and subsequent demultiplexed data, which are byte-interleave-demultiplexed by the demultiplexing means, with pointer information indicating a leading address of a data storage area of the first demultiplexed data. The cross-connecting unit cross-connects the first demultiplexed data from the demultiplexing unit with the second and subsequent demultiplexed data from the first replacing unit. The second replacing unit replaces the pointer information of each of the second and subsequent demultiplexed data from the cross-connecting unit with a preset specific value. The multiplexing unit byte-interleave-multiplexes the first demultiplexed data from the cross-connecting unit with the second and subsequent demultiplexed data from the second replacing unit.
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Citations
10 Claims
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1. A cross-connecting module comprising:
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demultiplexing means for sequentially byte-interleave-demultiplexing multiplexed transmission data into a plurality of demultiplexed data; first replacing means for replacing pointer information indicating a leading address of a data storage area of each of second and subsequent demultiplexed data, which are byte-interleave-demultiplexed by said demultiplexing means, with pointer information indicating a leading address of a data storage area of first demultiplexed data; cross-connecting means for cross-connecting the first demultiplexed data from said demultiplexing means with the second and subsequent demultiplexed data from said first replacing means; second replacing means for replacing the pointer information of each of the second and subsequent demultiplexed data from said cross-connecting means with a preset specific value; and multiplexing means for byte-interleave-multiplexing the first demultiplexed data from said cross-connecting means with the second and subsequent demultiplexed data from said second replacing means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A cross-connecting module comprising:
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demultiplexing means for sequentially byte-interleave-demultiplexing an STS (Synchronous Transport Signal) 3 signal, which is formed by multiplexing three STS1 signals, into three STS1 signals; first replacing means for replacing bytes H1 and H2 as pointer information indicating a leading address of a data storage area of each of second and third STS1 signals, which are byte-interleave-demultiplexed by said demultiplexing means, with bytes H1 and H2 as pointer information indicating a leading address of a data storage area of a first STS1 signal; cross-connecting means for cross-connecting the first STS1 signal from said demultiplexing means with the second and third STS1 signals from said first replacing means; second replacing means for replacing the bytes H1 and H2 as the pointer information of each of the second and third STS1 signals from said cross-connecting means with two preset specific values; and multiplexing means for byte-interleave-multiplexing the first STS1 signal from said cross-connecting means with the second and third STS1 signals from said second replacing means. - View Dependent Claims (9, 10)
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Specification