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  Új Válasz 2006-09-23 19:16:08 #709

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  5.5 Option switches
  The UPS has a set of four DIP switches on the rear panel which allow you
  to configure several options (see Secs. 5.5.1–5.5.4).
  0 (off) I (on)
  1
  2
  3
  4
  Note: You can set option switches at any time, and the effect is immediate.
  Note: If all of the option switches are set to the on position, the option switches are
  disabled. However, the functions controlled by the option switches are still
  available using UPS monitoring software (see Sec. 5.6.4).
  5.5.1 Option Switch 1
  The UPS contains utility fault detection circuitry that is extremely sensitive
  to line voltage distortions including spikes, notches, sudden dips, and
  swells. The UPS is factory-set to react to such line voltage distortions by
  immediately transferring the load to on-battery operation, affording
  maximum protection for all load types. Where power quality is poor
  because of local cyclic heavy load-switching, or the use of inexpensive fuel
  generators, the UPS may frequently transfer to on-battery. If the UPS is
  powering loads that operate normally under such conditions, battery
  capacity may be spent unnecessarily.
  Setting Option Switch 1 to the on ( I ) position desensitizes the UPS to rapid
  low-amplitude line-voltage fluctuations, and increases the UPS’s upper
  transfer voltage by 3%, for a total of 13% above the nominal input voltage.
  This helps maintain maximum battery capacity for major utility failures.
  20
  5.5.2 Option Switch 2
  Option Switch 2 functions differently for different versions of the UPS.
  n 100 Vac version
  No function; not used.
  n 120 Vac version
  The UPS’s factory-set input voltage limits for on-line and SmartBoost
  operation are centered on the nominal input voltage of 120 Vac (see also
  Sec. 9.1). When Option Switch 2 is set to the on ( I ) position, the upper and
  lower transfer voltages are lowered by 4% and centered on a nominal input
  of 115 Vac. This is useful where nominal input voltage is 110 to 115 Vac.
  n 220/230/240 Vac version
  The UPS’s factory-set on-battery output voltage and input voltage limits for
  on-line and SmartBoost operation are designed for use in regions where the
  nominal line voltage is 220 to 230 Vac. When Option Switch 2 is set to the
  on ( I ) position, the upper and lower transfer voltages are raised by 4% and
  centered on a nominal input of 240 Vac. In addition, the on-battery output
  voltage is increased to 240 Vac.
  5.5.3 Option Switch 3
  When Option Switch 3 is set to the on ( I ) position, the UPS’s audible alarm
  is disabled for the first 30 seconds of on-battery operation. This function is
  useful where brief power interruptions are frequent and cause the alarm to
  become annoying.
  5.5.4 Option Switch 4
  When Option Switch 4 is set to the on ( I ) position, the UPS’s low-battery
  alarm interval is extended from 2 minutes (factory setting) to 5 minutes.
  This function is useful if the UPS is protecting a computer system that
  requires more than 2 minutes warning to perform a graceful shutdown.
  Az idézet innen való, érdemes friss tulajdonosként átböngészned: [link]

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