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3.2.3 701-DL Controls, Indicators and Connections
The 701-DL's (digital link) controls, indicators, and connections are described below:
This rocker switch turns the 701-DL Link on or off.
LAN Indicator Light
Green indicator. Flashes continuously when an Ethernet connection is
established.
LINK Indicator Light
Green indicator. Flashes while the 701-DL Digital Link is establishing a
reliable communications link with the Towfish. Illuminates continuously
when a reliable communications link with the Towfish is established.
Fish Power Indicator Light
Red Indicator. Illuminated when the 701-DL Digital Link is on, and the tow
vehicle is properly connected to it.
Green indicator. Illuminated when the 701-DL Digital Link is on.
Connection for AC power cord.
Line Power Switch
Rocker switch. Switches AC power to POWER switch on the front panel of
the 701-DL Digital Link.
Data Connector
RJ-45 Standard Ethernet connection for connecting to the external topside
processor.
Sync Connector
It provides an input connection for a TTL external trigger that is sent to the
towfish.
SubConn MCBH4F female connector to sea cable going out to tow vehicle.
Table 3-3: DL Controls, Indicators, and Connections
NOTE: The 701-DL will automatically switch off power to the towfish if
the two remain disconnected for an extended period. The power will also
shut off if an overcurrent or undercurrent condition exists. To reactivate
the power to the towfish, turn the POWER switch off and then on again.
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