Inspection and Installation
Copyright ©ITECH Electronic Co., Ltd. 72
Connect Interface
Use the following steps to quickly connect your instrument to your LAN and con-
figure it. Two typical LAN interface systems are described below: private LAN and
site LAN.
•
Connect to the private LAN
A private LAN is a network in which LAN-enabled instruments and com- puters
are directly connected. They are typically small, with no centrally- managed
resources. When connected to a computer, a standard network cable can be
used to connect directly to the computer via the LAN interface.
•
Connect to the site LAN
A site LAN is a local area network in which LAN-enabled instruments and
computers are connected to the network through routers, hubs, and/or
switches. They are typically large, centrally-managed networks with services
such as DHCP and DNS servers. When connected to a computer, a network cable
can be used to connect to the router, and the computer is also con- nected to
the router.
•
When using one crossover cable to connect PC directly, the gateway address of
the instrument should be consistent with that of the PC, and the IP address
should be at the same network segment with the PC’s IP address.
•
When the instrument and computer are connected to the router, an
independent IP address must be assigned for the instrument.
Configure LAN Interface Information
The configurable parameters of the IT7900 series power supply are described as
follows.
LAN Config
•
IP: This value is the Internet Protocol (IP) address of the instrument. An IP
address is required for all IP and TCP/IP communications with the instru-
ment. An IP Address consists of 4 decimal numbers separated by periods.
Each decimal number ranges from 0 through 255 with no leading zeros
(for example, 169.254.2.20).
•
Mask: This value is used to enable the instrument to determine if a client
IP address is on the same local subnet. The same numbering notation
applies as for the IP Address. When a client IP address is on a different
subnet, all packets must be sent to the Default Gateway.
•
Gateway: This value is the IP Address of the default gateway that allows the
instrument to communicate with systems that are not on the local subnet,
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