PairGain HLU-431, Быстрое руководство по установке

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350-431-116-01, Revision 01 Product Overview
HLU-431 List 1F January 8, 1999 3
Table 1. Front Panel Features
Features Function
Front panel display Displays four-character status, provisioning, and alarm system
messages.
System option buttons
(MODE and SEL) 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 DS-1 line parameters and line unit identity.
Status LED See Table 2 for status descriptions.
Receive and transmit jacks
SPAN Provides splitting jack access to (XMT) and from (RCV), the HDSL
span at the DSX-1 interface. Breaks the XMT and RCV paths to
permit test signal insertion and retrieval.
BRG Provides non-intrusive bridging jack access to (XMT) and from
(RCV), the HDSL span at the DSX-1 interface. Allows the two T1
payloads to be monitored.
Craft (RS-232) port Provides bidirectional communication between the unit and an
external terminal to allow configuration and performance
monitoring through the Maintenance terminal screens.
CLEI and ECI bar code
label Provides the human-readable Common Language Equipment
Identifier (CLEI) code number and the Equipment Catalog Item
(ECI) bar code number.
List Number Displays the version of the software that relates to the product.
Configuration Number Contains either a five or six-digit warranty configuration number
or a standalone 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
Table 2. Status LED States
State Description
Green Normal Operation.
Flashing Green HDSL Acquisition.
Flashing Red Minor Alarm.
Red FUSE ALRM.
Yellow
Self Test in progress or an HLU - 431 List 1F loopback in effect
(CREM) or (NLOC).
Flashing Yellow
The HLU
-
431 List 1F is in an ARMED (pre-loopback) state.