Document: DOK11086en01
Author: PM
Date: 2021-06-16
Page: 3 of 2
2
WESTERSTRAND
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 XP/7/8/10.
To configure the different parameters such as IP-address, work mode etc. a normal web
browser is used. 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
Article number:
123383-01
Supports application protocols:
(For time distribution)
NTP version 1, 2, 3 and 4, RFC5905, SNTPv4, RFC 4330
Daytime Protocol (RFC867), Time Protocol (RFC 868)
Other supported protocols: SNMP v2c, MIB II (RFC1155, RFC1157, RFC1213), HTTP,
HTTPS.
Transport protocol:
TCP, UDP/IP, ICMP
Internet protocol:
IPv4, (IPv6 ready)
IP-address assignment
Dynamic, using DHCP, or fixed IP address.
VLAN support:
IEEE standard 802.1Q. The Ethernet port and can be configured to use
one
VLAN ID.
Compatibility:
Ethernet version 2/IEEE 802.3
Ethernet:
Supports 10/100BASE-T (RJ45)
connections
Device Management:
Web-Based (requires web browser)
NTP client software:
NyToP, freeware, manual 1672
Application software:
QW3Control art. no. 123396-00, manual 1739
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:
Summary of Contents for Marine Master Clock 70000
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