User's Manual

TimeLord Master Clocks
Operating and Installation Instructions
Issue 2.0 9-1
9 - Network Configuration (TimeLord-Net
versions only)
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Operation
The TimeLord-Net operates as a Network Time Server on a TCP/IP
Computer network. The quick setup procedure should be
followed to get the TimeLord-Net up and running quickly. Page 9-3
details the various protocols that the TimeLord-Net supports while
pages 9-1 and 9-2 detail the basics behind IP addresses,
subnets and gateways.
Pages 9-4 and 9-5 show the setting procedure in more detail.
The TimeLord-Net master clock has a 10Base-T Ethernet interface
and must be connected either to a dedicated 10Base-T port or
a switchable 10Base-T / 100Base-T port on your network.
Quick Setup
Install the TimeLord-Net as detailed in section 3 of this manual.
Attention: If you are unsure of the following network
settings please contact your network administrator.
Incorrect settings can adversely affect the
performance of your network.
1) Program the IP address of the TimeLord-Net in dotted-
decimal notation. (e.g. 192.168.0.41) Use the plus and
minus buttons to increment and decrement each value.
The up arrow will move on to the next value, the down
arrow will return to the previous value.
2) Program the Subnet Mask of the TimeLord-Net in dotted-
decimal notation. (e.g. 255.255.255.0) Use the plus
and minus buttons to increment and decrement each
value. The up arrow will move on to the next value, the
down arrow will return to the previous value.
3) Program the default Gateway of TimeLord-Net in dotted-
decimal notation. (e.g. 192.168.0.1). Use the plus and
minus buttons to increment and decrement each value.
The up arrow will move on to the next value, the down
arrow will return to the previous value.
4) Use the CAT5 patch cable (supplied) to connect the
TimeLord-Net to your TCP/IP Computer network. Ensure
that the network connection used is compatible with
10Base-T. Check the green link led illuminates,
confirming that correct connection has been made to
the network.
TCP/IP Concepts
IP Address
TCP/IP is todays most prevalent networking technology. It can
be used for small Local Area Networks (LAN) of two or three
users, right through to the other end of the spectrum where it
is used as the protocol connecting every machine on the
Internet.
Each connected computer must have a unique address to
ensure that data transmitted from one location reaches the
correct destination.
Blocks of addresses are assigned to organizations by the
Internet Assigned Numbers Authority (IANA). Users and small
organisations usually obtain their addresses from their Internet
Service Provider while larger organisations liaise directly with
the IANA.
The Internet Protocol (IP) uses 32 bit addresses, which when
displayed to humans are usually written in dotted-decimal
notation. Dotted-decimal notation is where the address is
written as four decimal numbers, one for each byte of the
address.
For example the dotted-decimal IP address 195.112.5.193 can
be represented in the following formats:
Decimal representation: 3278898625
Hexadecimal representation: 0xC37005C1
Binary representation: 11000011 01110000
00000101 11000001
The IP address of a computer is constructed of two parts. The
first part of the address identifies the network to which the
computer or host is connected, the second part specifies the
actual host itself. The TCP/IP software on each host can
automatically determine the class of an IP address by
examining the first byte of that address.
Net Update
Link
Data
xx xx xx xx xx xx
MAC Address
10Base-T
TimeLord-Net Network Interface
RJ45 10Base-T Ethernet Connector
DB9 Network software update port
Link Link LED indicating connection to network
Data Data LED indicating data on the network