Introducing the ENTA-R, a ruggedized version of Brandywine’s popular ENTA II, this unit is capable of delivering HaveQuick + 1PPS to a multitude of outputs. The ENTA-R is a full function Master Clock that is designed to provide a full suite of Have Quick time code and 1PPS outputs, as well as NTP, fully compliant with NENA requirements for a Master Clock.

The ENTA-R provides four single-ended outputs that are either Have Quick or 1PPS, as well as 12 differential outputs via RS422.

The unit uses dual hot-swappable power supplies for high-reliability operation. A built-in web server provides user-friendly controls for configuring the unit. All outputs include signal level monitors to enable rapid fault-detection and isolation.

 Key Features of the ENTA Network Time Server include:

  • Versatile GPS Master Clock with IRIG-B reference input
  • Dual 10/100BaseT Network interface with Network Time Protocol (NTP)
  • Time Code Outputs, IRIG B, IRIG E, Have Quick
  • High Stability Ovenized oscillator is standard
  • Single string or dual redundant configuration
  • Ruggedized for Shipboard Usage
  • Dual Hot-Swappable Power Supplies


Product Specifications
Product Data Sheet
User Manual

Reference Source Have Quick and 1PPS per ICD-GPS-060
  1PPS with manual entry of time
Unit select Input select via dry contact for selection of outputs in reduntant operation
Control and Display Functions 10/100BaseT network port with integrated web server control, SNMP control, TELNET command set, NTP
Display Front panel display of HH:MM:ss
  Power LED
  Fault LED
Reset Switch Recess switfch used to restore unit to factory defaults
System Specifications  
Time Accuracy GPS <30ns
  Holdover < 1 microsecond/hour
Operating -20 to +50°C
Storage -55 to +85°C
Dimensions 19"W x 1.73"H (1U) x 14"D rack mount

alt ENTA-R Data Sheet



About Brandywine Communications

Brandywine Communications Inc. offers superior products to the time and frequency marketplace. Our mission is to provide the finest equipment coupled with excellent before and after sale service.

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Brandywine Communications
Ultra-Precision Time & Frequency

1153 Warner Ave
Tustin, CA 92780
Mail: info@brandywinecomm.com
Phone: +1 (714) 755-1050