TimeSource 31000 pages
Symmetriconr
nnnnDATA SHEET
nnnnTimeSource® 3100
nnnnPrimary Reference Source For
nnnnTelecommunications Network Operators
nnnnKey Features
nnnn• Innovative BesTime clock engine
nnnn• IF antenna provides 300 meter cable
nnnnruns without amplifiers
nnnn• GPS holdover accuracy of 1x10~11
nnnnfor 72 hours with optional inputs
nnnn• Timing accuracy of 100 ns when
nnnnlocked to GPS
nnnn• Sync status messaging
nnnn• Integrated sync monitoring of inputs
nnnn• Optional SNTP TimeServer
nnnn• CE marked
nnnnKey Benefits
nnnn• Compliant traceable GPS with advanced
nnnnholdover capabilities
nnnn• Flexible programmable outputs
nnnnThe Symmetricom® TimeSource® 3100 is a
nnnnstand alone office Primary Reference Source
nnnn(PRS) with integrated GPS receiver which
nnnnmeets ITU-T G.811 network performance
nnnnrequirements. The TimeSource 3100 provides
nnnnundisturbed frequency and time Stratum 1
nnnnsynchronization when locked to GPS with
nnnncontinued Stratum 1 performance for up
nnnnto 72 hours upon loss of GPS.
nnnnThe key to TimeSource 3100's superior
nnnnperformance is its patented multiple
nnnnnput frequency locked loop BesTime®
nnnnclock engine. The BesTime engine, GPS
nnnnreceiver, and digitally controlled quartz
nnnnlocal oscillator work together to produce
nnnnprecise timing outputs. Span line or remote
nnnnoscillator inputs can be added, at the user's
nnnnoption, to increase system reliability and
nnnnholdover performance in the event GPS
nnnnsignals are interrupted.
nnnnThe GPS antenna can be installed up
nnnnto 300 meters from the office shelf,
nnnnwithout amplifiers, using inexpensive
nnnnthin coax cable. The TimeSource 3100
nnnncan be managed using Symmetricom's
nnnnTimeCraft element manager. The system
nnnnis CE compliant and provides Sync Status
nnnnMessaging (SSM).
nnnnConfiguration Options
nnnnThe TimeSource 3100 comes standard with
nnnntwo E1/2.048MHz output options. It can
nnnnbe expanded with eight T1/E1/2.048 MHz
nnnnoutputs programmable on a per port basis.
nnnnApplications
nnnnThe TimeSource 3100 system can be
nnnnconfigured as a PRS to front-end an office
nnnnSSU/SASE or as a standalone PRS with 10
nnnnoutputs for remote orsmall offices. In the
nnnnstandalone configuration, TimeSource 3100
nnnnprovides 10 E1 (2.048 Mb/s or MHz) outputs
nnnnin a compact, inexpensive package. This
nnnnconfiguration is ideal for timing remote
nnnnswitch sites which may also have SDH
nnnnterminals, or other network elements.
nnnnThe TimeSource 3100 ensures PRS
nnnnperformance is maintained through
nnnnself-auditing the inputs and measuring
nnnnand reporting performance against one
nnnnanother. Inputs can be easily provisioned to
nnnnbe either included in the timing ensemble
nnnnoutput or be used for monitoring only.
nnnnThe TimeSource 3100 is fully software
nnnnupgradeable and provisionable while
nnnnn-service. Communication is via RS-232
nnnnor Ethernet ports.
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