Line And Desktop Unit Front Panel Components - ADC ETU-751C List 1 User Manual

Rate selectable hdsl line and desktop units
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700-701-100-02
Name
Function
HDSL SYNC LED
Displays synchronization state for the HDSL loop.
HDSL ALM LED
Displays alarm state for the HDSL loop.
I/F ALM LED
Displays alarm state for the G.703 data port.
LOC LPBK LED
Displays local (LOC) loopback state.
LOC LPBK Button
Activates the local HDSL analog loopback.
REM LPBK LED
Displays remote (REM) loopback state.
REM LPBK Button
Activates the remote interface loopback.
V.24 (RS-232) console
Provides bi-directional communication between the unit and an external maintenance terminal through
port
a V.24 (RS-232C) interface to allow configuration and performance monitoring through the console
screen menus as described in
download new firmware to the line unit's flash memory as described in
page
pinouts).
Bar code label (all units)
Contains the serial number and part number of the unit, as indicated in both bar code and text format.
Also contains the configuration number of the unit, as indicated by "CFG: Rnn," where nn is the
configuration number. For example, CFG: R07 would indicate configuration number 07.
Warranty control
Indicates the beginning year and month of the line card warranty. Also indicates the line card revision
number label (UTU-701C)
number. For example, a warranty control number of "803R07" would indicate a warranty beginning in
the year 1998 (8), during the month of March (03), and line card revision number R07.
Unit ID label (ETU-751C)
Identifies the model number, manufacturer, part number, and input voltage range of the ETU. Includes
the CE mark, certifying that the unit is in compliance with directive EN300 386-2. See
Warranty"
UTU-701 and ETU-751 List 1
Table 3. Line and Desktop Unit Front Panel Components
"System Configuration" on page
62.
This port is configured as DCE (see
on the inside of the back cover.
August 9, 2002
25. This connector can also be used to
"Firmware Download Utility" on
"Maintenance Terminal Connection" on page 25
Overview
for
"Certification and
5

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