Spectra Precision ProFlex 800 Backpack - Manual (Page 15)

Engl
ish
11
GNSS Input #2
A TNC coaxial female connector [8] for applying an external
reference clock. (Connector [8] is missing on the rear view
above.)
CAN 2.0 Bus
A Fischer, five-contact, female connector [9] allowing you to
connect the ProFlex 800 to external, NMEA2000-compatible
equipment via CAN bus. (For future use.)
Earth Terminal
A screw terminal [10] for connecting the receiver chassis to
Earth.
Electric Isolation
All signals available on the following connectors are optically
isolated from the receiver’s internal circuitry and chassis
ground, as well as from each other:
• Serial ports A, B and F (including DC power output voltage
on port A)
• Ethernet port
• CAN bus
Buzzer The internal buzzer will sound whenever an error is detected.
The buzzer will sound six times and then stop. The error icon
will however continue to blink. To acknowledge the error
notification, first press the Scroll key to view the error and
associated code and then press the same button again.