ADC HiGain HLU-432 User Manual page 12

Front Panel
Front-panel Feature
Front-panel display
System option buttons
(MODE and SEL)
Status LED
Green
Flashing green
Red
Flashing red
Yellow
Flashing yellow
DSX-1 access jacks
SPAN
BRG
Craft (RS-232) port
CLEI and ECI bar code label
List number
Configuration number label
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
4 minutes. Using the MODE or SEL buttons reactivates the display and restarts the 4-minute timer.
Refer to Table 2 on page 5 for a listing of the four-character messages.
Permits the user options to be monitored and modified without the need of a maintenance terminal.
Used to initiate all HiGain loopbacks and to display DSX-1 line parameters and line unit identity.
The status LED can report the following conditions:
Normal operation
HDSL acquisition
Fuse Alarm
System alarm
Self Test is in process or an HLU-432 Customer Remote Loopback (CREM) or a Network Local
Loopback (NLOC) is in effect.
HLU-432 is armed to respond to Intelligent Repeater Loop (ILR) codes.
Provides splitting jack access both to the transmit (XMT) and from the receive (RCV) HDSL span
at the DSX-1 interface. Breaks the XMT and RCV paths to permit test signal insertion and retrieval.
Provides non-intrusive bridging jack access to both to the transmit (XMT) and from the receive
(RCV) HDSL span at the DSX-1 interface. Allows the two T1 payloads to be monitored.
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 version of the HLU-432.
Contains either a five or six-digit warranty configuration number or a stand-alone two or three-digit
configuration number as follows:
Digit 1 - Last digit of shipment year
Digits 2 and 3 - Shipment month
Digits 4, 5, and 6 - Configuration number
The configuration number can also be found on a small bar label that contains the Julian date code
and part number. This gummed label may be affixed to the PC board or to the front panel.
July 18, 2002
150-432-100-02, Revision 02
HLU-432 List 1