Question

In SONET, STS-1 level of electrical signalling has the data rate of _________

(a) 51.84 Mbps

(b) 155.52 Mbps

(c) 2488.320 Mbps

(d) 622.080 Mbps

Answer 1

Right answer is (a) 51.84 Mbps

The explanation: STS-1 level provides the data rate of 51.84 Mbps, STS-3 provides a data rate of 155.52 Mbps, STS-12 provides a data rate of 622.080 Mbps and STS-48 provides a data rate of 2488.320 Mbps.