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Datum 6504A Operating Manual

Irig-b distribution
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Datum 6504A
IRIG-B RF Distribution Module
A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
• C r i t i c a l a n d e x p e d i t e d s e r v i c e s
• I n s t o c k / R e a d y - t o - s h i p
Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate, representative, or authorized distributor for any manufacturer listed herein.
In Stock
Used and in Excellent Condition
Buy Today!
https://www.artisantg.com/73305-1
• We b u y y o u r e x c e s s , u n d e r u t i l i z e d , a n d i d l e e q u i p me n t
• F u l l - s e r v i c e , i n d e p e n d e n t r e p a i r c e n t e r

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  • Page 1 Datum 6504A IRIG-B RF Distribution Module In Stock Used and in Excellent Condition Buy Today! https://www.artisantg.com/73305-1 A l l t r a d e m a r k s , b r a n d n a m e s , a n d b r a n d s a p p e a r i n g h e r e i n a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
  • Page 2 6504 IRIG-B Distribution Excerpted from Document # 14508-201 Rev A...

  • Page 3: Copyright Notice

    The equipment or software described in this manual have been developed solely at the expense of Datum - TT&M and are proprietary. No unlimited rights in technical data are granted. Limited rights as per DFARS 252.227-7013 shall be effective for 10 years from the copyright date.
  • Page 4 6504 IRIG-B Distribution CHAPTER ONE Introduction/Product Overview CHAPTER TWO Installation CHAPTER THREE Operation CHAPTER FOUR Specifications...
  • Page 5 6504B chassis. They are functionally identical in every way except for the ALARM OVERRIDE switch, which appears on the front panel of the 6504A. This switch is optional for the 6504B, and is located on the rear panel when it is furnished.

  • Page 6: Purpose Of Equipment

    PREPARATION FOR SHIPMENT To turn off the Datum 6504 prior to shipment, remove the AC power from the plug on the rear panel. Package the instrument in its original packing if possible. If the original packing materials are not available, pack in a reinforced cardboard carton using foam to take up any space inside the carton.

  • Page 7: Warnings, Cautions, Recommendations, And Notes

    A re-timing application ... A term or a word being emphasized. Datum does not recommend ... A word or term given special emphasis so that you do not miss the idea being presented. WARNINGS, CAUTIONS, RECOMMENDATIONS, AND NOTES Warnings, Cautions, Recommendations, and Notes attract attention to essential or critical information in this Operating Manual.

  • Page 8: Where To Find Answers To Product And Document Questions

    Fax: +1-978-927-4099 E-mail: ttmsales@datum.com Thank you for providing the information. NOTE … Datum offers a number of applicable training courses designed to enhance product usability. Contact your Datum representative or sales office for a complete list of courses and outlines.
  • Page 9 FIGURE 2-1. AC INPUT FILTER/FUSES/VOLTAGE SELECTOR The Datum 6504 may be powered from 120 or 240 VAC. To change the AC input between 120 and 240 VAC, refer to Figure 2-1. Open the cover on the AC input connector by applying a screwdriver to the cover slot.

  • Page 10: Dc Power Connection

    DAISY-CHAINING MORE THAN ONE MODULE If more than ten outputs are required, up to ten Datum 6504 modules can be driven by a common input signal to produce up to 100 outputs. Figure 2-4 illustrates this connection.

  • Page 11: Alarm Connections

    (or last) chassis in the daisy chain is set to 50Ω. ALARM CONNECTIONS The Datum 6504 provides for an alarm to signal the failure of any signal output. One set of form-C relay contacts is provided on the 9-pin D connector labeled ALARMS. For normal operation, pins 1 to 2 are open and pins 1 to 3 are closed.
  • Page 12 The Datum 6504 IRIG-B Distribution controls and indicators are described in this chapter. Two chassis configurations are described, the 6504A and the 6504B. The only difference between the two chassis configurations is that the ALARM OVERRIDE switch is optional for the 6504B, and when it is furnished with the 6504B it is located on the rear panel.

  • Page 13: Alarm Override

    ALARM OVERRIDE – This toggle switch on the front panel of the 6504A enables or disables the ALARM relay, which is output via the ALARM connector on the rear panel. When the switch is in the UP position, the ALARM relay is enabled, and will switch states in the event of a signal failure.

  • Page 14: Specifications

    Chapter Four SPECIFICATIONS NOTE … All performance is at an ambient temperature of 25°C unless otherwise specified. TIME CODE OUTPUTS (10) Code Format IRIG-B (DCLS Form) Modulation Frequency 1 kHz Modulation Ratio ≤ 3 V P-P Amplitude TIME CODE INPUT Code Format IRIG-B (DCLS Form) Modulation Frequency 1 kHz...

  • Page 15: Controls And Indicators

    CONTROLS AND INDICATORS POWER Green LED indicates power is connected ALARM Red LED indicates a signal output failure ALARM OVERRIDE Toggle switch: UP = Alarm Enabled (Optional for 6504B) DOWN = Alarm Disabled NOTE … If the input signal level is less than 10 dBm, please specify the Low Alarm Threshold version (-509).

  • Page 16: Limited Warranty

    - TT&M guarantees its products to be free from defects in material and workmanship for a period of one year from the date of shipment. Datum - TT&M shall, at its option, either repair or replace hardware products which prove to be defective.

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