Front-Panel Description - ADC HiGain H2TU-C-319 List 4E User Manual

Front Panel
Front-Panel Feature
Front-panel display
MODE and LBK system
option pushbuttons
Status LED
Off
Green
Flashing green
Red
Flashing red
Yellow
Flashing yellow
DSX-1 access jacks
BRG
LINE
Craft port (RS-232)
CLEI and ECI bar code label
List number
4
Table 1. Front-Panel Description
Function
Displays four-character status, provisioning, and alarm system messages. The front-panel display
illuminates when power is initially applied. To conserve power the display only remains on for
5 minutes. Using the MODE or LBK pushbuttons reactivates the display and restarts the 5-minute
timer. Refer to Table 2 on page 5
Permits user options to be monitored and modified without the need of a maintenance terminal. Used
to initiate all HiGain loopbacks and test states as well as to display DSX-1 line parameters and line
unit identity.
The status LED can report the following conditions:
Line power is off.
Normal operation.
HDSL2 acquisition.
Fuse alarm.
System alarm.
An H2TU-C Customer Remote Loopback (CREM) or a Network Local Loopback (NLOC) is in effect.
H2TU-C is in an Armed state.
Provides non-intrusive bridging jack access to (IN) and from (OUT) the HDSL2 span at the
MUX DSX-1 interface. Allows the two DS1 payloads to be monitored.
Provides splitting jack access to (IN) and from (OUT) the HDSL2 span at the MUX DSX-1 interface.
Breaks the IN and OUT paths to permit test signal insertion and retrieval.
Provides bidirectional communication between the unit and an external terminal to allow
configuration and performance monitoring through the maintenance terminal screens.
Provides the human-readable Common Language Equipment Identifier (CLEI) code number and the
Equipment Catalog Item (ECI) bar code number.
Identifies the list number of the H2TU-C.
January 9, 2002
for a listing of the four-character messages.
LTPH-UM-1049-02, Issue 2
H2TU-C-319 List 4E