Specifications

Niagara Release 2.3
Revised: May 22, 2002 Niagara Networking & Connectivity Guide
Chapter 1 Understanding Networking and IP Addressing
Additional Information
1–36
Additional Information
For more information about the topics covered in this overview, consult the sources
listed in Table 1-14 and Table 1-15.
Note As with any web resource, addresses provided are subject to change. If a listed
resource is unavailable, try a search for the article or concept using your favorite
search engine.
Alarming,
continued
Remote Printer
notification
Any Web Supervisor or
JACE-NP
Any networked printer Connection from the initiating host
for the purpose of sending an
exception notification or
acknowledgement to a printer.
Alarm Console
acknowledgement
Web Supervisor or any
engineering PC
A Niagara host with
alarming set up to archive
local
Connection from the Engineering PC
with the Alarm Console to
acknowledge the alarm on the
receiving host.
Time synchronization Any Niagara host with
the TimeSync service
Any Internet Time Protocol
server
Connection from the initiating PC to a
time server in order to synchronize
the host’s time. The server could be
a Niagara host providing this function
or any other server running the
Internet Time Protocol.
Backup subordinate Supervisor station Subordinate station Connection from a Supervisor to a
Subordinate to get a local copy of the
runtime database of the station.
Global data passing Any Niagara host Any Niagara host Connection from one host to another
to exchange real-time data across a
network with interstation links.
Station monitor Any Niagara host Any Niagara host A timed ping from any host to the IP
address of the remote host for the
purpose of network connectivity.
Produces a station alarm if the ping
fails.
1. RCMD connections supported.
2. NetMeeting connections supported.
3. Telnet, FTP, and Hyperterminal connections supported.
Table 1-13 Communication between Niagara hosts.
Communication
Typical Initiating
Host (Client)
Receiving Host
(Server) Description
Table 1-14 Sources for more information about covered topics.
Concept Source
DNS “DNS and Microsoft Windows NT 4.0”, 1996, Microsoft
Corporation, available from
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/
dnnt40/html/dnsnt4.asp
DNS, Subnetting, TCP/IP Search on these topics at http://compnetworking.about.com
DNS, Routers, TCP/IP Search on these topics at http://howstuffworks.com