The Symmetricom WLSY142614R501 is a modular timing and frequency distribution system engineered for critical infrastructure requiring high-precision synchronization. Housed in a 2U chassis, it integrates GPS disciplining, multiple time code protocols, and configurable frequency outputs to deliver UTC-traceable timing across distributed networks and legacy systems.
Technical Specifications
Synchronization & Accuracy
• GPS synchronization accuracy: Better than 30 nanoseconds RMS to UTC
• Frequency accuracy: Better than 1×10⁻¹²
• Supports dual redundant GPS receivers for continuous operation
Frequency Outputs
• Standard outputs: 1 MHz, 5 MHz, 10 MHz, MPPS (1 pulse per second)
• Optional low phase noise outputs at 5 MHz and 10 MHz
• Optional enhanced low phase noise 10 MHz output
• Optional frequency synthesizer: 1 PPS to 50 MPPS in 1 PPS steps
• Optional Have Quick/1PPS Time and Frequency Reference output
• All outputs phase-locked to the disciplined reference oscillator via BNC connectors
Time Code
• Reader/Generator functionality supporting IRIG A, B, IEEE 1344, and NASA 36 protocols
• AM and DC modulation types
Oscillator Options
• Standard: Temperature Compensated Voltage Controlled Crystal Oscillator (TCVCXO)
• Optional upgrades: OCXO, High Stability OCXO, Rubidium, High Stability Rubidium
• Auxiliary reference input for locking to external cesium standards
Frequency Measurement Option
• Measures externally applied 1, 5, or 10 MHz signals
• Measurement resolution: Better than 120×10⁻¹² (1-second averaging)
• Adjustable measurement interval: 1 to 100,000 seconds
• Periodic zero dead-time and single-shot on-demand modes
– Key Features
• Modular platform supports up to ten option modules for configuration flexibility
• 10/100 Base-T Ethernet with HTTP, Telnet, SNMP (MIB I and II) management
• NTP client/daemon functionality for network time distribution
• Web-based management interface
• Front panel display and remote monitoring via communication port
• Selectable pulse rates and alarm signal outputs
– Interfaces
• Primary and secondary reference inputs: GPS, Time Code, 1PPS
• Output: BNC connectors for sine or square wave signals
• Network: 10/100 Base-T Ethernet
– Typical Applications
Power grid synchronization, telecommunications networks, financial transaction logging, military command and control, broadcast timing synchronization, and laboratory frequency metrology.














