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