VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Datasheet
VSC9142
STS-48c Packet/ATM Over SONET/SDH Device
With Integrated Mux/Demux and Clock and Data Recovery
• Line loopback is supported by looping the output from the Recieve Line Overhead Processor (RLOP) in
the receive direction back to the input of the Transmit Line Overhead Processor (TLOP), in the transmit
direction.
• Drop side loopback is supported by looping the output from the Tx FIFO to the input of the Rx FIFO.
This loopback is supported for both packet and ATM cell mode.
G52319-0, Rev. 3.1
6/12/00
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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