Unit installation

FS70 Trawl Sonar System
34 974-24007001/4.1
4.2.8 Connecting the USB/RS232 to the TTM Unit
Connect the 2 meter USB cable to the USB/RS232 Converter; next
connect the USB side of the converter to one of the USB ports
located on the PC and the RS232 connector to the Port “A” of the
TTM unit. Note: The Port “A” of all TTM units is assigned for the
Vertical Sonar Head, referred as “LF1” telemetry. Port “B” is
assigned to “LF2” telemetry required for the forward looking sonar
or may be assigned to the “HF1” telemetry required to run the FS70
Sim-Sounder option. If you do have a TTM with the LF2 or HF1
connect the 2
nd
USB/RS232 as indicated below.
Refer to the DWG below for all connections:
USB/RS232 Dual Channels Telemetry Converter part number 901-80010000