As per the recommendations of this particular standard, there is an outlining of requirement for the devices of timing utilized in the synchronization of network equipment, the operation of which is conducted in accordance with the governance of principles by the Synchronous hierarchy of digital world (Dejan, 2011). The application of these requirements is done within the normal conditions of the environment as specified for the equipment of SDH. The application of these requirements can be done under the normal and basic conditions of the environment specified for the equipment of SDH (IEEE Guide, 2004). In the basic sense of the operations, the equipment of SDH consists of a traceable slave clock to a primary clock of reference. In the most general sense, the equipment clock of SDH will be having a number of inputs related to reference (Concordia, 2006). Within the events that all links and relations amongst the failure of slave clock and the master, the equipment should be having the capability for the maintenance of operations or holdover in the prescribed limits of performance.