Patton electronics 2072 Installation And Operation Manual page 6

180001UA
and clocks. Analog Loop turns the data around at the analog interface to
the G.703 interface. When Analog Loop is selected the AL
illuminate. Digital Loop turns the data around at the V.35 digital interface.
When Digital Loop is selected the DL
Digital Loop
DTE
Modem
Logic
Flow of Data
If both Loopback buttons indicate GREEN
TST TST
and the 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
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 LED is illuminated.
ERR ERR
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.
DL DL
DL DL LED will illuminate.
TX
DTE
RX
GREEN (IN) then the unit is in Test mode GREEN GREEN
GREEN
1-2
AL LED will AL AL
AL
Analog Loop
TX
Modem
Logic
RX
Flow of Data
RDL RDL RDL RDL