BNC 645 - Manual (Page 81)

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so it is not affected by power cycle or a remote interface reset command.
Avoid using the same address for the GPIB interface card in your
computer.
How to set up GPIB interface
1. Press the Utility button and then the I/O softkey.
2. Press the softkey under GPIB Addr and enter a GPIB address using
the numeric keypad or the knob.
3. Press the softkey under DONE to finish the entry.
6.1.3 LAN Interface
You need to set up a few parameters before you can use the LAN (Local
Area Network) interface.
Contact your network administrator to obtain the
correct LAN settings for your waveform generator. These settings and the
corresponding configurations are described below.
IP Address
An IP address is a unique identifier assigned to a device in the network.
It is expressed in the dot notation: “nnn.nnn.nnn.nnn” where “nnn” is a
byte value from 0 to 255. The value is stored in non-volatile memory, so
it is not affected by power cycle or the remoter interface reset command.
If DHCP is used, the device will automatically obtain an IP address from
the DHCP server in the network. If Model 645 fails to get an IP address
from DHCP, the current IP address setting will be used.
Subnet Mask
Networking administrator uses subnetting to divide a network so that the
network traffic is well distributed and the administration process is
simplified. The subnet mask represents the portion of the host address to
be used to identify the subnet. For example, the subnet mask
255.255.255.0 for a host IP address 10.10.3.101 indicates that the host
belongs to the subnet of hosts addressed from 10.10.3.1 to 10.10.3.254
(10.10.3.0 and 10.10.3.255 are reserved for special purposes). The
subnet mask setting is stored in non-volatile memory, so it is not
affected by power cycle or the remoter interface reset command.