ESE ES-104EP GPS Referenced NTP Time Server with Rack Mount Option

ITEM #: ES-104EP MFG #: ES 104E P

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Availability: Ships Factory Direct, Typically in 3-10 Business Days
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  • Special Order Item: non-cancelable, non-returnable, non-refundable.

ES 104E P - Overview

The ESE ES-104EP provides a practical method of putting accurate time information onto a network. The unit receives GPS time using the supplied antenna. The NTP output is provided on a 10/100 Base-T Ethernet connector. The ES-104EP is housed in a rugged black anodized desktop enclosure. A voltage-controlled temperature-compensated crystal oscillator is used to maintain the accuracy of the time code outputs when lock is lost.

The ES-104EP is an IPV4/IPV6 compatible NTP Time Server. NTP clients can authenticate the NTP server with MD5 or SHA1 Symmetric Key Authentication. SNMP V1, V2 and V3 support allows specified users to be notified if a cold boot occurs, if Time Code Lock is lost or gained, or if NTP Authentication failed. The web server of the ES-104EP can operate in two modes: HTTP or HTTPS. The HTTPS mode has the advantage of all information going to and coming from the server being encrypted.

  • Features:

    • NTP Time Code Output: Ethernet 10/100 Base-T (RJ-45)
    • Active GPS Antenna & 16' Cable
    • Status LED's
    • TTL Lock Status Output
    • ESE (TC90) Time Code Output (BNC)
    • Embedded web page (Secure and Normal) or a telnet session
    • IPv6 Compatible
    • Supports Authentication
  • Product Options


    • Ant: GPS Antenna: High Performance GPS Antenna for harsh RF Environments.
    • BBU: Battery Back-Up: An internal Gel-Cell battery is provided capable of maintaining the unit's microprocessor for up to a 4-hour power outage.
    • DC: DC Operation: Requires the unit to be powered from a DC source exclusively, typically +12 to +35 VDC.
    • J: 220 VAC/50 Hz Operation: The unit is configured to operate from 220 VAC line voltage. 117 VAC 50/60 Hz is standard.
    • P: 19" Front Panel (Rack Mount): Designed for mounting into a standard equipment rack. Panel is 1/8" black anodized Aluminum and chassis is 5" - 10" deep.
    • P2: Dual Rack Mount: Allows specific units to be mounted side-by-side on a single Rack Mount panel.
    • UL: "UL" Approved Power Supply: The unit is supplied with a UL/CSA approved wall mount power supply.

ES 104E P - Required Accessories

    California Residents:
    Cancer and Reproductive Harm -