Document: 1795en03.doc
WESTERSTRAND
Author: PM
Date: May 8, 2014
Page: 3 of 11
WESTERSTRAND URFABRIK AB
P.O. Box 133
Tel. +46 506 48000
Internet:: http://www.westerstrand.se
SE-545 23 TÖREBODA
Fax. +46 506 48051
E-mail:
General
The Ethernet module makes it possible to connect a Master Clock to a LAN (Ethernet Local Area Network).
The module can be built into a Marine Master Clock.
The module can be used for Master Clock remote control, programming of relay outputs, alarm distribution,
supervision and for distribution of correct time. The module can be configured to work as a NTP server or NTP
client.
For transmission of correct and accurate time the NTP (Network Time Protocol) is used. NTP is a part of the
protocol family UDP/IP.
When using the Ethernet module for time distribution the Master Clock can act as a NTP primary server or as a
NTP client.
Units connected to the LAN, supporting NTP, can receive correct time from the Master Clock via the network
module.
Included with the Ethernet module is NyToP, Westerstrand NTP-client for Windows 98/NT/2000/XP/Vista.
For remote control and relay programming the windows based application software QW3Control can be used.
The QW3Control is an option.
To configure the different parameters such as IP-address, work mode etc. a normal WEB-browser is used.
Link indicator
The front panel of the Marine Master Clock has a Link indicator LED.
Link indicator
LED ON = Link activated. The Master Clocks is connected to a network.
LED OFF = No link activated. The Master Clock is not connected to a network.
Technical data
Art. no.:
123384-00
Supported protocols:
(For time distribution)
NTP version 1, 2 and 3, RFC1305
SNTP, RFC 1769
Other supported protocols:
FTP (RFC 959)
HTTP
Transport protocol:
TCP/IP
IP-address assignment
Dynamic, using DHCP, or fixed IP-address
Compatibility:
Ethernet version 2/IEEE 802.3
Ethernet:
Supports 100BASE-T (RJ45) connections
Ambient temperature:
-20
°
C up to +55
°
C
Device Management:
Web-Based (requires web browser)
NTP client software:
NyToP , freeware, manual 1672
Application software:
QW3Control art. no. 123396-00, manual 1739
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