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AN82
HIGH-DENSITY MULTI CHANNEL OC-48 LAYOUT GUIDELINES S i 5 1 0 0 A N D S i 5 11 0 Introduction
OC-48 small form-factor hot-pluggable modules (SFP) allow designers to place a large number of OC-48 links in a relatively small amount of space. As the density increases, adjacent channels are more likely to interfere with each other. When the Si5110 or Si5100 OC-48 transceivers are used to receive and transmit through the SFP module, it is necessary to minimize the adjacent channel coupling in order to meet the transmit jitter generation requirements.
FOR THE
In addition, adjacent devices can couple to surrounding devices if their TTL or high-speed traces can couple to each other.