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Computer Networks
Sonet
Q
In SONET, each synchronous transfer signal STS-n is composed of __________
AA. 2000 frames
BB. 4000 frames
CC. 8000 frames
DD. 16000 frames
Correct Answer:
C. C. 8000 frames
Explanation:
SONET defines the electrical signal as STS-N (Synchronous Transport Signal Level-N) and the optical signal as OC-N (Optical Carrier Level-N). The building block of SONET is the STS-1/OC-1 signal, which is based on an 8-kHz frame rate and operates at 51.84 Mbps.