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ESE - ES-181U
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Modem Master Clock

Model: ES-181U

  • ESE, SMPTE/EBU, IRIG-B & ASCII Time Code outputs
  • 1 PPS (pulse-per-second) output
  • Front Panel nine digit .56" Yellow LED display
  • Automatic Daylight Saving Time Correction
  • Time Zone Offset, Seconds & Subsecond Offset
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The ES-181U is a modem synchronized Master Clock/Time Code Generator. The unit receives accurate time and date information thru a phone line from the U.S. Naval Observatory (or other compatible source) and supplies this data to the user in a variety of forms. The unit may be set to call the Time Source automatically up to four times per day, with automatic redial in case of communication failure.
  • ESE, SMPTE/EBU, IRIG-B & ASCII Time Code outputs
  • 1 PPS (pulse-per-second) output
  • Front Panel nine digit .56" Yellow LED display
  • Automatic Daylight Saving Time Correction
  • Time Zone Offset, Seconds & Subsecond Offset
  • Battery backup
  • 1.75" Rackmount enclosure
  • Optional programmable relay-contact closure output
  • Product Options:
  • J---220 VAC/50 Hz Operation: The unit is configured to operate from 220 VAC line voltage. 117 VAC 50/60 Hz is standard.
  • UL"UL" Approved Power Supply: The unit is supplied with a UL/CSA approved wall mount power supply.
  • NTP10/100 Ethernet NTP Server Port. Also allows Master Clock configuration via network.
  • Clear---Clear Anodized Front Panel
  • HRRelay Closure: Option "HR" provides a user programmable relay contact closure. The standard contact closure occurs on the Hour and Half Hour. If contact closures at other times are desired, the user can program up to four relay closures using the
  • BParallel BCD Output: CMOS compatible, 5-volt logic in parallel four-line format is accessible through a rear-mounted D-sub connector.
 
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