View, Default, And Loopback Mode; View Mode; Table 9. Option Settings Display (View) - ADTRAN HDSL DDM+ HTU-C Installation And Maintenance Practice

HDSL DDM+ Transceiver Unit for Central Office Installation and Maintenance Practice

View, Default, and Loopback Mode

The view, default, or loopback mode is entered from the Status Mode by pressing the
pushbutton. As soon as the
to , , , and
STAT VIEW DFLT
to be entered.
At any point in the menu tree, press and hold the
pushbutton for 3 seconds to move back one menu level.

View Mode

Select the mode to scroll through each option setting without changing any of the param-
VIEW
eters. (This information can be useful in verifying the current settings of the HDSL circuit.)
Circuit parameters are described in
flash. No pushbutton presses are necessary and the FCD will return to
through each of the options. If the user wishes to exit the VIEW mode the
may be depressed for 3 seconds.
Message Description
LBO DSX Line Build Out
CODE Line Code
FRMG DSX Framing
NLBK NIU Loopback
LBTO Loopback Timeout
CLOS Customer Loss Response
PRM Performance Reporting Messages
TXLV DS1 Transmit Level
SHLM HTU-C Shelf Alarm
SPWR Span Power
Note: The DDM+ HTU-C can only be provisioned via the RS-232 port or remotely via inband codes. The front
panel can not be used to provision the DDM+ HTU-C.
14
pushbutton is pressed, the FCD message will cycle through
MODE
. Pressing the
SELECT
LPBK
NOTE
Table 9. Each option followed by the current setting will

Table 9. Option Settings Display (VIEW)

pushbutton will cause one of these modes
Settings
0, 133, 266, 399, 533
AMI, B8ZS
AUTO, UNF
EN, DIS
0, 1HR, 2HR, 8HR, 24HR
AIS, LPBK
NPRM, SPRM, NONE, AUTO
0 dB, -15 dB
EN, DIS
EN, DIS
MODE
M O D E
after scrolling
VIEW
pushbutton
MODE
Default
0
B8ZS
UNF
EN
1HR
AIS
AUTO
0 dB
EN
EN
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