16
Static:
Static IP addressing allows the user to specify an IP address. The configured IP address
will remain static even after power is removed from the module. For proper operation, the IP
address must be chosen according to the network that the module is being connected to.
If more that one mode is enabled, the device will attempt to acquire an IP address using the
enabled modes in the following order: 1) DHCP, 2) Auto IP, & 3) Static. Once an IP address is
successfully configured, the device will stop the configuration.
The default IP configuration mode is:
DHCP enabled, Auto IP enabled, Static disabled
4.4.2
IP Address
The IP Address field is only used if the Static IP configuration mode is selected. If the IP
address was acquired using DHCP or Auto IP, this field represents the current IP address of the
device.
4.4.3
Subnet Mask
The subnet mask defines the number of bits that are taken from the IP address to refer to the
given network subsection. The subnet mask allows Ethernet based networks to be separated into
various subnets. The EM405-8 should be in the same subnet as the controlling PC or router.
The default subnet mask is:
255.255.255.0
4.4.4
Gateway
The gateway address allows the EM405-8 to communicate with other network segments. If
communication outside of the given network segment is necessary, the gateway address should
be set to the IP address of the router connecting the local network segment to the outside world.
The gateway address, if needed, must be within the local network.
The default gateway address is:
192.168.1.1
4.4.5
Raw Socket
Standard communication with the EM405-8 is performed using the VXI-11 protocol which is
always enabled. Alternatively, the EM405-8 implements a raw socket method of performing
device communications. By default, the raw socket method is disabled; however, it may be
enabled using this control.
The default raw socket setting is:
disabled
4.4.6
Raw Socket Port
If raw socket support is enabled, a TCP port must be specified. This port number must then be
used for all raw socket communications with the EM405-8. Port numbers are assigned by the
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