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4-17
Section IV
–
Operating Instructions
1830A Ethernet Interface Configuration
Configuring the 1830A to communicate using the Ethernet interface is the preferred
method for remote control. One reason for this is that the LAN interface can be used when
users access the 1830A via the Ethernet port. The LAN interface provides functionality,
such as firmware upgrades, file management, bulk cal factor uploads, and instrument
calibration, that is not available when using the USB port.
There are several ways to connect the 1830A to an Ethernet network. Four of the most
common configurations are:
1.
Connecting to the network using DCHP (
Dynamic Host Configuration Protocol).
2.
Connecting to the network using a static IP address.
3.
Connecting to a local network without being connected to a corporate network.
4.
Connecting directly to the Ethernet port of a PC.
Connecting to a network using DHCP
When you connect the 1830A to a network using DHCP, you are allowing the network to
assign an IP address to your instrument. If the 1830A is connected to the network when
you turn it on, it will recognize that it's connected and request that the network assign it
an IP address. If you connect the 1830A to the network after it's already turned on, the
instrument will request an IP address at that time.
To use this method of connecting to a network, the LAN Configuration must be set to
“Automatic IP Addr.” To check t
hat this is set up properly, select SETUP -> Instrument ->
Network Options -> LAN Configuration from the front panel, then select Automatic IP
Addr.
To configure the software that you will use to control the 1830A, or to control the
instrument using the LAN interface, you will need to know the IP address that the network
has assigned to the 1830A. To find that out, select SETUP -> Instrument -> Network
Options -> IP Address from the front panel. The 1830A will then display its IP address.
The biggest drawback to connecting to a network using DHCP is that the IP address may
change every time you turn off and turn back on the 1830A. Every time the instrument is
powered on, it requests an IP address, and the IP address that the instrument had
previously may not be available. If that's the case, then the network will assign the 1830A
another IP address. Consequently, you'll have to determine what the new address is and
reconfigure your software accordingly.
Connecting to a network using a static IP address
One way to avoid the problems associated with DHCP is to have your network
administrator assign a static IP address to your 1830A. This is a good solution because
your 1830A will have the same IP address no matter how many times that the instrument
is turned off and turned back on again.
Once your network administrator assigns an IP address, you will have to configure your
1830A accordingly. First, from the front panel, select SETUP -> Instrument -> Network
