1-3 Remote Programming Setup and Interface Programming with SCPI
1-2 PN: 10580-00445 Rev. C MS2090A PM
The TCP/IP setup requires the following:
• IP Address: Every computer and electronic device in a TCP/IP network requires an IP address. An IP
address has four numbers (each between 0 and 255) separated by periods. For example: 128.111.122.42
is a valid IP address.
• Subnet Mask: The subnet mask distinguishes the portion of the IP address that is the network ID from
the portion that is the station ID. The subnet mask 255.255.0.0, when applied to the IP address given
above, would identify the network ID as 128.111 and the station ID as 122.42. All stations in the same
local area network should have the same network ID, but different station IDs.
• Default Gateway: A TCP/IP network can have a gateway to communicate beyond the LAN identified by
the network ID. A gateway is a computer or electronic device that is connected to two different networks
and can move TCP/IP data from one network to the other. A single LAN that is not connected to another
LAN requires a default gateway setting of 0.0.0.0. If you have a gateway, then the default gateway would
be set to the appropriate value of your gateway.
• Ethernet Address: An Ethernet address, or Media Access Control (MAC) address, is a unique 48-bit
value that identifies a network interface card to the rest of the network. Every network card has a
unique Ethernet address permanently stored into its memory.
• Remote programming and operation between the instrument and remote program is accomplished via a
TCP/IP raw socket connection to port 9001. The remote program must establish a TCP/IP raw socket
connection at port 9001 to the MS2090A.
• The remote application may connect to the instrument IP address or to its HOSTNAME. If using DHCP
instead of a static IP, using the HOSTNAME may be more reliable for finding an instrument on a network.
• You may need to contact your network administrator to ensure network security policies, antivirus, and
firewall settings do not block access to the controlling computer and its ports.
The MS2090A can be configured for Dynamic Host Configuration Protocol (DHCP), an Internet protocol that
automates the process of setting IP addresses for devices that use TCP/IP, and is the most common method of
configuring a device for network use.
To determine if a network is set up for DHCP, connect the instrument to the network and select DHCP
protocol. Power cycle the instrument. If the network is set up for DHCP, the assigned IP address should be
displayed in the network settings.
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