Download User Manual - EndRun Technologies

S P E C I F I C AT I O N S
Direct Digital Synthesizer Output (DDS): Positive TTL pulse @ 50Ω on BNC jack.
User-Selectable Output Type: Synthesized pulse rate.
Rate: User selectable 1 PPS to 10 MPPS in 1PPS steps..
Accuracy: < 10-11 to UTC for 24-hour averaging times when locked.
Stability: σy(τ) < 10-9 for τ < 103 seconds, σy(τ) < 10-6/τ for τ > 103 seconds.
Connector: Rear-panel BNC jack labeled “DDS”.
Note: To change the output selection refer to Chapter 10 - Options.
Alarm Output: MMBT2222A open collector, grounded emitter. High impedance in alarm state.
Voltage: 40 VDC, maximum.
Saturation Current: 100 mA, maximum.
Connector: Rear-panel BNC jack or terminal block labeled “ALARM”.
Serial Time Output: Output only port at RS-232 or RS-422 levels.
Baud Rate: User Selectable to 4800, 9600, 19200 or 57600.
Parity: User Selectable to Odd, Even or None.
ASCII Formats: User-Selectable to Sysplex, EndRun, EndRunX, Truetime, NENA or NMEA.
Accuracy: The “on-time” characters starts transmitting within the first 20 microsecs of each second.
Connector (RS-232): Rear-panel DB-9M connector labeled “SERIAL TIME”.
Pinout (RS-232): Pin 3 is Transmit Data. Pin 5 is GND.
Connector (RS-422): Rear-panel DB-9M connector labeled “SERIAL TIME (RS-422)”.
Pinout (RS-422): Pin 3 is +signal. Pin 6 is -signal. Pin 5 is GND.
Note: See Chapter 10 - Options, Serial Time Output for more information.
Fixed Rate Output: Positive TTL pulse @ 50Ω.
Rate: Preset at Factory and cannot be changed.
Accuracy: < 10-11 to UTC for 24-hour averaging times when locked.
Stability: σy(τ) < 10-9 for τ < 103 seconds, σy(τ) < 10-6/τ for τ > 103 seconds.
Connector: Rear-panel BNC jack labeled with appropriate rate such as “10 MPPS”.
Compliance:
CE/FCC:
RoHS:
WEEE:
RTTE Directive 1999/5/EC
Low Voltage Directive 2006/95/EC
EMC Directive 2004/108/EC
RoHS Directive 2011/65/EC
WEEE Directive 2012/19/EC
Supplementary Compliance Data:
Safety:
EMC:
EN60950-1:2006/A11:2009/A1:2010/A12:2011
EN55022:2010, EN55024:2010
EN61000-3-2:2006 +A1 +A2, EN61000-3-3:2008
VCCI (V3/2012.04)
AS/NZS CISPR 22 (2009) +A1
FCC Part 15 Subpart B Sections 15.107 and 15.109
Data subject to change.
EndRun Technologies may make changes
to specifications and product descriptions
at any time, without notice.
149
Sonoma User Manual