3-10
4. Do not make this connection if the wireless ETHERNET connection will be used, as only one
ETHERNET connection can be connected or enabled at the same time.
5. If a printer will be used, connect the printer to the laptop computer through an USB ETHERNET
adapter.
6. If a navigation system will used, connect the navigation system serial output to COM 1 or a USB
port of the laptop computer.
7. Do one of the following to connect power:
Connect the AC power cable to the AC INPUT connector and to the AC power source.
Connect the red clamp of the DC power/ETHERNET cable to the positive terminal of the DC
power source, and connect the black clamp to the negative terminal.
Connect both the AC and DC power sources as described above.
8. Connect the laptop computer power supply to the computer and to the AC power source.
3 3 .10 System Activation and Test
After the connections to the topside processor have been completed, the 4125 Series Dual-frequency Side
Scan Sonar System can be activated and some pre-deployment checks performed prior to deployment of
the tow vehicle as a test to verify that the system is operating properly.
When performing the system activation and test, refer to sub-section
for the location and description of the controls and indicators on the topside processor. In addition, should
the system not activate properly or the pre-deployment checks fail, refer to
TROUBLESHOOTING
for assistance on how to isolate and correct the problem.
3.10.1 Preparing a Wired ETHERNET LAN Connection
The wired ETHERNET LAN connection is made by connecting the supplied ETHERNET cable from the 4125-
P Portable Topside Processor to the laptop computer. If an ETHERNET Category 5 cable greater than 10
meters is connected instead, the Network Adapter on the laptop computer should be set to 10 Mbit/s,
Full Duplex.
In addition, the 4125-P Portable Topside Processor auto senses straight and crossover ETHERNET cables,
along with 10 or 100-Mbit/s connections. Therefore the laptop computer's LAN adapter can be set to
AutoSense for LAN speed and duplex settings.
1. To prepare the laptop computer to use the wired ETHERNET connection:
2. Turn on the laptop computer and the 4125-P Portable Topside Processor.
3. Click the Wireless Networking icon on the Windows Desktop or on the System Tray, and then
disable it. Or, if there is a switch on the laptop computer, turn it off.
4125 SIDE SCAN SONAR SYSTEM
3.5 Topside Controls and Indicators
SECTION 5:
0004823_REV_C
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