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Alarms

350-200-115-02, Issue 2

14

September 25, 1998

HLU-200 List 1E

PWR FEED OFF Power Feed Off

HDSL span power has been turned off by
setting the PWFD option to DIS or HDSL span
power has been turned off by use of the
A1LB/A2LB/A5LB Intelligent Office Repeater
(IOR) Power Down code.

PWR FEED
GND

Power Feed Ground

One of the HDSL loops has been grounded.

BER

Bit Error Rate

A system BER alarm is in effect.

BAD RT?

No response from
HRU

The HLU does not receive any
response from the HRU. Thus, the HRU
integrity is questionable.

VER

HLU Software
Version #

This displayed during the System
Settings review mode. Depress the MODE
button for 3 seconds to enter System Settings
review mode.

LIST 0xL

HLU’s List #

Displayed during System Settings
review mode defined above.

FRM

Frame: SF, ESF,
UNFR, NONE

Defines the type of frame pattern
being received from the DSX-1.
Displayed during System Settings.

CODE

Line Code: AMI, B8ZS

This is the line code that the HLU is set to
receive and transmit at its T1
interfaces. Displayed during System Settings
mode defined above.

Table 4.

HLU-200 List 1E Diagnostic Messages (Cont.)

Message

Full Name

Description

«
...
18
19
20
21
22
...
»

Содержание HiGain HLU-200

Страница 1: ...HiGain HiGain USER MANUAL AHT1U HLU200 L1E LOOP FAIL HDSL R S 2 3 2 HLU 200 List 1E Line Unit Product Catalog 350 200 115 02 CLEI SLILNS5AAA ...

Страница 2: ...trademarks or registered trademarks of their respective companies Disclaimer of Liability Information contained in this document is company private to ADC DSL Systems Inc and shall not be modified used copied reproduced or disclosed in whole or in part without the written consent of ADC Contents herein are current as of the date of publication ADC reserves the right to change the contents without ...

Страница 3: ...d to ADC DSL Systems Inc Order replacement equipment if necessary Check the packing list to ensure complete and accurate shipment of each listed item If the shipment is short or irregular contact ADC DSL Systems Inc as described in Product Support If you must store the equipment for a prolonged period store the equipment in its original container Notes contain information about special circumstanc...

Страница 4: ...Unpack and Inspect Your Shipment 350 200 115 02 Issue 2 iv September 25 1998 HLU 200 List 1E ...

Страница 5: ...oning ____________________________________________ 7 Line Circuit Settings Option 7 Using the Maintenance Terminal ___________________________ 8 Connecting to the Craft Port 8 System Settings 9 Alarms ________________________________________________ 12 Diagnostic Messages 13 Loopbacks 15 Specifications __________________________________________ 17 Documentation ____________________________________...

Страница 6: ...Table of Contents 350 200 115 02 Issue 2 vi September 25 1998 HLU 200 List 1E ...

Страница 7: ... doubled with a HiGain Doubler Unit HDU and tripled with two doublers The HiGain system uses HDSL High bit rate Digital Subscriber Line transmission technology as recommended by Bellcore TA TSY 001210 HiGain complies with TRY TSY 000063 Network Equipment Building System NEBS Generic Equipment requirements and TR TSY 000499 Transport System Generic Requirements TSGR common requirements Ground fault...

Страница 8: ...Overview 350 200 115 02 Issue 2 2 September 25 1998 HLU 200 List 1E Figure 1 HLU 200 List 1E Front Panel HLU200 L1E LOOP Status indicators Craft port Retaining latch FAIL HDSL R S 2 3 2 AHT1U ...

Страница 9: ...s with the HLU 200 line unit During normal operation it lights when there is a failure that affects service within the bank HDSL Tri colored LED flashes green during HDSL sync acquisition on either HDSL loop flashes red for any of the alarm conditions lights steady green when both HDSL loops are in sync and no minor alarms exist lights steady red if the on board 48 V fuse opens RS 232 Craft port P...

Страница 10: ... compatible with the LITESPAN 2000 Management System and must be maintained provisioned and monitored from its front panel RS 232 Craft port The HLU 200 List 2D AHDSL line unit provides integrated management and is compatible with the LITESPAN 2000 TL1 based Network Management System and the LITECRAFT Management System in Version 8 x The HLU 200 List 1E timing is not synchronized to the LITESPAN b...

Страница 11: ...or 2 Carefully push the unit in until it is entirely within the card guide and the retaining latch closes 3 Install the HLU 200 List 1E into the 2000 channel bank 4 Ensure that the following LEDs illuminate The FAIL LED lights red until the handshake between the bank and the HLU 200 List 1E is complete The HDSL LED flashes GREEN until an HDSL link is established between the HLU 200 List 1E and an ...

Страница 12: ...4 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 TIP 1 RING 1 TIP 2 RING 2 SW BATT R222 47K ACTIV MN XMT CLK MN RCV CLK MN FRM SYNC MN TDM RCV MN TDM TX MN 5 VOLTS 5 VOLTS 5 VOLTS P1 ROW A Loop 1 Loop 1 Loop 2 Loop 2 P1 ROW B SURGE GROUND P1 ROW C ACTIV PR XMT CLK PR RCV CLK PR FRM SYNC PR ...

Страница 13: ...e Line Circuit Settings DLP 322 on a slot occupied by a HLU 200 List 1E a Access ID b AIS Alarm Indicating Signal This entry determines the type of AIS that is sent upstream of the CBA when the HLU 200 List 1E is in its alarm state It is permanently set to the all ones state The None or All option normally available in standard Litespan cards is not available in the HLU 200 List 1E c Red Lined A Y...

Страница 14: ...a bits 1 stop bit Hardware Flow Control set to NONE 2 Use a serial cable to connect the RS 232 Craft port on the maintenance terminal to the HLU 200 front panel RS 232 Craft port 3 On each screen enter the key represented by the letter in parenthesis for the parameter to be changed Each entry of this letter scrolls the parameter to its next value 4 After all selections have been made press to exit...

Страница 15: ...en 170 Errored Seconds ES 170 HDSL CRC errors on either HDSL loop or a total of 170 BPVs and FERR occur within a 24 hour period NONE Prevents the generation of an alarm due to excessive Errored Seconds LBTO NONE Disables automatic time out cancellation of all loopbacks 20 Sets automatic cancellation of all loopbacks to 20 minutes after initiation 60 Sets automatic cancellation of all loopbacks to ...

Страница 16: ... Places both the HLU 200 and HRU into their B8ZS modes AMI Places both the HLU 200 and HRU into their AMI modes AUTO The AUTO mode is not supported If selected the DS1 code defaults to AMI FRMG AUTO Configures the HiGain system to operate in an auto framing AUTO mode in which it continuously searches the input T1 bit stream for a valid SF or ESF frame pattern This feature is required for fractiona...

Страница 17: ...smit the AIS signal towards the Customer Interface CI when in NREM or SmartJack loopback DIS Prevents the AIS signal from being transmitted to the NI and replaces it with the network test signal in the HRU or by a quiet termination LOS in the HRU MARG 0 to 15 dB 0 The Margin Alarm Threshold determines the minimum allowable margin below which an alarm will occur DSO Any combination of the 24 DSO ch...

Страница 18: ...input from the CI to initiate a logic loopback state in the HRU ALRM H1ES HDSL loop 1 has exceeded the 24 hour user selected Errored Seconds CRC threshold ALRM H2ES HDSL loop 2 has exceed the 24 hour user selected Errored Seconds CRC threshold ALRM DS1 The total number of bipolar violations BPV at the HRU DS1 input has exceeded the 24 hour user selected threshold ALRM MAL1 The margin on HDSL loop ...

Страница 19: ...CRC error ACQ1 2 Acquisition 1 2 The HLU HRU multiplexers are trying to establish synchronization over each loop ARM HiGain System ARMED Armed to respond to Intelligent Repeater Loop Codes ACO Alarm CutOff A minor alarm has occurred and been retired to an ACO condition by pressing the SEL button on the HLU front panel Self Test The HLU is in a self test mode This occurs every power ON OFF cycle AL...

Страница 20: ... response from the HRU Thus the HRU integrity is questionable VER HLU Software Version This displayed during the System Settings review mode Depress the MODE button for 3 seconds to enter System Settings review mode LIST 0xL HLU s List Displayed during System Settings review mode defined above FRM Frame SF ESF UNFR NONE Defines the type of frame pattern being received from the DSX 1 Displayed duri...

Страница 21: ... Doubler n Loopback Loopback at Doubler n to network initiated by IOR code or by Manual Loopback buttons on the HLU 200 List 1E front panel or by the maintenance terminal CLOC Customer Local Loopback Loopback at HRU toward customer initiated from Customer Premises Equipment CPE by in band codes or from the maintenance terminal CREM Customer Remote Loopback Loopback at HLU toward customer initiated...

Страница 22: ...the HRU Lists 6 and 7 It is a logic loopback in HRU Lists 1 through 5 Set the SAIS option to ENA to send the AIS pattern to the CI during Smart Jack Loopback Loopbacks toward customer HDSL HRU CLOC HDSL 5in7 6in7 HRU HLU CREM HLU Loopbacks toward network HDSL HLU NLOC All1s All1s All1s All1s All1s HRU TLOS SMJK NREM HRU HRU HDSL HDSL HDSL HLU HLU 2in5 3in7 LOGIC 4in7 HRU HLU All1s ...

Страница 23: ...CATIONS Maximum Power Consumption 13 Watts without doublers 20 Watts with doublers Maximum Heat Dissipation 5 Watts without doublers 6 3 Watts with doublers Mounting LITESPAN 2000 CBA ONU 48 96 Dimensions Height 4 42 11 22 cm Width 0 84 2 13 cm Depth 10 2 25 9 cm Weight 1 lb 0 45 kg ...

Страница 24: ...ing System Turn Up and Testing Network Monitoring upstream or downstream Power Monitoring and Remote Surveillance Service Maintenance Agreements Systems Operation ADC Technical Assistance Center 800 638 0031 714 730 3222 Fax 714 730 2400 Email wsd_support adc com Technical Information System Network Configuration Product Specification and Application Training product specific Installation and Oper...

Страница 25: ...e is found NTF in which case the Buyer will pay transportation charges ADC may use reconditioned parts for such repair or replacement This warranty does not apply to any product which has been repaired worked upon or altered by persons not authorized by ADC or in ADC s sole judgment has subjected to misuse accident fire or other casualty or operation beyond its design range Repaired products have ...

Страница 26: ...n Avenue Tustin CA 92780 7013 Tel 714 832 9922 Fax 714 832 9924 Technical Assistance Tel 800 638 0031 Tel 952 917 3222 Fax 714 730 2400 DNV Certification Inc REGISTERED FIRM ISO 9001 TL 9000 DOCUMENT 350 200 115 02 ISSUE 2 9y 1 1225891 ...

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