ADC HIGAIN HDSL2 Manual page 12

Front Panel
Front-Panel Feature
Front-panel display
MODE and LBK pushbuttons
Status LED
Off
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
Retaining latch
Configuration 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 buttons reactivates the display and restarts the
5-minute timer. Refer to Table 2 on page 5
Permits user options, system parameters, and line unit identity to be reviewed without the need
for a maintenance terminal. A maintenance terminal is required to access provisioning screens
and make configuration changes. The MODE and LBK buttons can initiate all loopbacks. (See
"Manual Loopback Session" on page
The status LED can report the following conditions:
Line power is off.
Normal operation.
Fuse alarm.
HDSL2 acquisition or system alarm.
An H2TU-C-231 Customer Remote Loopback (CREM) or a Network Local Loopback (NLOC) is in
effect.
H2TU-C-231 is in an Armed (ARM) state.
Provides non-intrusive bridging jack access to (XMT) and from (RCV) the HDSL2 span at the
DSX-1 interface. Allows the two DS1 payloads to be monitored.
Provides splitting jack access to (XMT) and from (RCV) the HDSL2 span at the DSX-1 interface.
Breaks the XMT and RCV 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-231.
Retains the card in the shelf when pulled up and extracts the card from the shelf when pulled
down.
The configuration number is found on a small label attached to the front panel. It is the last two
numbers (following the x) of a 13-character part number. For example: 150-1234-01-x01.
October 2, 2000
for a listing of the four-character messages.
52.)
152-231-116-01, Revision 01
H2TU-C-231 List 1F