SDH Network Topologies :  Before discussing the SDH network topologies , a question arises as to what is the network topology? First of all, know what is the network topology. Network Topology-Computers, servers, mainframes, network devices, or othe…

How to check error in SDH Network: Compared to PDH systems, SDH systems provide an easier way to monitor errors during system operation. Using parity bytes B1 to B3 or V5, any bit errors that occur can be clearly assigned to a link section, making…