Cut-Over
Once all the commissioning is complete, and all training has been undertaken and there is no further work to be done on the equipment, it can be cut-over into the customer's network.
Cut-over usually means changing all the synchronisation paths for the local switches, cross-connects, multiplexers, etc.. These will have been previously synchronised via E1 traffic links.
They should now be synchronised direct from the local synchronisation equipment, and probably by moving links on the Digital Distribution Frame. Cut-over is the most critical part of the operation, and often involved traffic affecting activities. It is, therefore, usually scheduled to happen during periods of minimum traffic such as between the hours of midnight and 6 a.m.
Chronos personnel regularly undertake this out of hours cut-over activity in order to ensure minimum disruption to service, should problems occur. The cut-over process can be quite involved, particularly for certain manufacturers' equipment. Chronos personnel have gained much experience of doing cut-overs in the field, and have also undertaken manufacturers' training courses on switches and multiplexers so that they have become familiar with procedures necessary to ensure smooth and trouble-free network reorganisation.
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