HP E3494A, Installation And Service Manual

Page: 88 / 108

Make sure that the lan cable is a good cable, try replacing it with a
different cable.
If you have LAN connection problems
If the HP processor probe does not accept commands from the host
computer:
1. Check that switch S1 is "0" (attached to LAN, not RS-232).
2. Check that switch S5 is in the correct position for your LAN interface
(either 10BASE2 or 10BASE-T).
(Remember: if you change any switch settings, the changes do not take effect
until you cycle power.)
If the HP processor probe still does not respond, you need to verify the
IP address, gateway address and subnet mask of the HP processor
probe. To do this, connect the HP processor probe to a terminal or
terminal emulator (see page 21), change the switch settings so it is
connected to RS-232, and enter the "lan" command. The output looks
something like this:
lan is enabled using BNC
lan -i 192.5.24.116
lan -g 192.5.24.1
lan -p 6470
Subnet Mask: 255.0.0.0
Ethernet Address: 08000909BAC1
"lan -i" shows the internet address is 192.5.24.116 in this case. If the Internet
address (IP) is not what you expect, you can change it with the "lan -i
<new_IP>" command.
"lan -g" shows the gateway address. Make sure it is the address of your
gateway if you are connecting from another subnet. A gateway address of
0.0.0.0 is acceptable if all connections will be on the same subnet as the
processor probe.
"lan -p" shows the port is 6470. If the port is not 6470, you must change it
with the "lan -p 6470" command (unless you have deliberately set the port
number to a different value because of a conflict).
The subnet mask determined from the network is displayed but cannot be
changed. If the subnet mask is incorrect, then one or more devices on your
network have incorrect subnet masks that should be corrected. Connecting a
Solving Problems
If you have LAN connection problems
80