Patton electronics 2072, Installation And Operation Manual

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180001UA
1-2
and clocks. Analog Loop turns the data around at the analog interface to
the G.703 interface. When Analog Loop is selected the
AL AL AL AL AL
LED will
illuminate. Digital Loop turns the data around at the V.35 digital interface.
When Digital Loop is selected the
DL DL
DL DL
DL
LED will illuminate.
Modem
Logic
DTE
Flow of Data
TX
RX
Digital Loop Analog Loop
Modem
Logic
DTE
Flow of Data
TX
RX
If both Loopback buttons indicate
GREEN GREEN
GREEN GREEN
GREEN
(IN) then the unit is in Test mode
and the
TST TST
TST TST
TST
LED will be illuminated. In this configuration, a BERT pattern
is sent to the remote 2072 (CTS IC-G.703) unit. If the remote unit detects
the BERT pattern and the remote BERT detect option is enabled, the
remote unit will turn on its Remote Digital Loopback, illuminate the
RDL RDL
RDL RDL RDL
LED and loop the test pattern back to the sending unit to complete the
test loop. If errors are detected at the originating 2072 (CTS IC-G.703) the
ERR ERR ERR ERR ERR
LED is illuminated.
The interface converter is housed in a sturdy aluminum enclosure and
has an internal 110/220VAC switch selectable power supply.
The unit has UL, and CSA approvals and can operate on standard power
found in most countries.