Unit installation

FS70 Trawl Sonar System
36 974-24007001/4.1
4.2.10 Connecting the Optional Ethernet Server Device to
the TTM Unit
Connect the supplied 3 meter LAN Ethernet cable from Ethernet
server device to the Ethernet RJ-45 port located at the rear of the
PC, next connect the supplied null modem cable from the Serial
Output 1 of the Ethernet server device 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
serial output as indicated below.
Refer to the DWG below for all connections.