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Symmetricom ET6000 User Manual

Symmetricom ET6000
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OPTION DESCRIPTIONS
GPS OPTION 13A PARALLEL BCD OUTPUT DAYS –MILLISECONDS
ASSEMBLY 55128
1.0 INTRODUCTION
This option provides a precision time output consisting of BCD day of year, hours, minutes,
seconds, and milliseconds.
Optionally, three selectable rate outputs can also be provided on separate BNC connectors.
1.1 SPECIFICATIONS
Parallel BCD time, in conjunction with cable assembly 812362-27 output on a 50 pin 3M ribbon
type connector.
1.1.1 OUTPUT CHARACTERISTICS
All outputs are positive true logic, except where noted. HCMOS compatible. Each output
capable of sinking and sourcing four milliamperes.
1.1.2 MATING CONNECTOR
The suggested mating connector is 3M, manufacturer’s Part Number 3425-6000 or 3425-6050 or
equivalent.
1.1.3 PIN ASSIGNMENTS
See Table One.
Two sample time pulses are provided in the connector J3B. One sample time pulse is at the least
significant bit (LSB) rate:
Connector J3B Pin 38 is 1pps (STP 1P).
Connector J3B Pin 48 is 1kpps (STP 1K).
Symmetricom Inc ET6xxx ExacTime GPS TC & FG (Rev C) C-31

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Symmetricom ET6000 Specifications

General IconGeneral
BrandSymmetricom
ModelET6000
CategoryReceiver
LanguageEnglish

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