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One known inconvenience is the actual assigned IP values do not
refresh automatically on the screen. A quick way to do get them
refreshed is to manually re-access the Network Utilities Menu, which
will then display them correctly.
The 37xxxE can be remotely controlled via a network server and an
Ethernet connection via the standard RJ45 connector on the rear
panel. The 37xxxE software supports the TCP/IP network protocol.
The TCP/IP protocol setup requires the following:
q IP Address: Every computer/electronic device in a TCP/IP net-
work 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
q Internal IP: 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.
q 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 (LAN) should have the same network ID but different
station IDs
q Default Gateway: A TCP/IP network can have a gateway to com-
municate beyond the LAN identified by the network ID. A gate-
way 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 other LANs
requires a default gateway setting of 0.0.0.0. This (0.0.0.0) is
Lightning’s default gateway setting. If you have a gateway, then
the default gateway would be set to the appropriate value of your
gateway.
NOTE
The default gateway setting is only activated after the sys-
tem power is recycled.
q Ethernet Address: An Ethernet address is a unique 48-bit value
that identifies a network interface card to the rest of the net-
work. Every network card has a unique ethernet address perma-
nently stored into its memory Inappropriate setting of the De-
fault Gateway IP Address will cause the Lightning system to
appear to be locked up at start up. The instrument will appear to
stop working at the following message:
Application loaded successfully, starting system…
37xxxE OM 2-7
INSTALLATION ETHERNET SETUP AND INTERCONNECTION