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Synchronization products is our newest and fastest growing product group. It includes two Wandermeters for troubleshooting and certification of the synchronization clock in transport networks, and WM-11 comes with an Ethernet Interface as standard! Wander is the slow phase drift of the clock, and the major cause for synchronization problems. The SSU-32 is a modular system for synchronization of SDH, PDH, ATM and Mobile Digital Communication networks. The synchronization supply package also includes the Sync Clock Distribution Unit SDU-33 and the remote monitoring SW LYNX. Both the Wandermeter and the SSU-products were specified by, and developed in close cooperation with, Sweden's leading telecom network providers.
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The SQ 0214 is a microprocessor-based synchronising unit. It is intended for a phase difference measurement between a bus bar and generator. It can be used in any kind of installation where a manual or semi-automatic synchronising is required. Circular set of 24 LEDs represents a phase difference. SQ 0214 has LCD backlight display for a display of a generator UGEN and bus-bar UBB voltage and both frequencies fGEN and fBB or D j . It replaces two voltmeters and two frequency-meters, which are normally part of the synchronising set. A synchronising condition is set, when the phase difference and the voltage difference between UGEN and UBB, for a time of delay, are within the set limits. The synchronising check relay is then switched on and a SYNC LED is lit for a preset pulse time (e.g. 100ms, 300ms).
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