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990-0000058-1000 Rev E Page 46
3100P Topside is pinging (sonar transmitting). The flashing rate of the YELLOW Ping LED
does not always match the actual ping rate (this is normal behavior).
6.2.4. Troubleshooting
If the YELLOW Ping LED never lights up during startup or pinging, but stays dark permanently,
the most likely cause is that the YELLOW Ping LED or its own circuitry is faulty, in which case
the rest of the system might still be fully operational.
6.3. Ethernet Connections
The 3100P Topside processor is assigned a static (fixed) IP Address of 192.9.0.31.
EdgeTech assigns static (fixed) TCP/IP addresses for all Ethernet devices in a 3100P Topside,
and reserves all TCP/IP addresses in ranges 192.9.0.0 to 192.9.0.63 and 192.9.0.101 to
192.9.0.255 for this purpose.
EdgeTech advises that any Notebook (or Desktop) Computer intended to connect to the 3100P
Topside must therefore use a TCP/IP address 192.9.0.xxx where xxx is in the range 64 to 100.
EdgeTech Factory defaults for EdgeTech Notebook (or Desktop) computers are 192.9.0.100 for
Wireless Networking and 192.9.0.99 for the Ethernet LAN. For detailed Ethernet setup
information, refer to Section 7.
Note: The Notebook (or Desktop) computer may have only one Ethernet connection enabled
or connected to the 3100P Topside at any one time: either the Ethernet LAN connection, or
else the Wireless Networking connection, but not both simultaneously.
6.3.1. Ethernet LAN Connection
The Ethernet LAN connection is made using a physical wired connection via the DC Power &
Ethernet cable. This cable provides a standard RJ-45 Ethernet plug for direct connection to the
RJ-45 LAN jack a Notebook (or Desktop) computer. The 3100P Topside auto-senses straight and
crossover Ethernet cables. The following steps should be taken on the Notebook (or Desktop)
computer to use the Ethernet LAN connection: