Manual do usuário ADTRAN 3060

Manual para o dispositivo ADTRAN 3060

Dispositivo: ADTRAN 3060
Categoria: Placa de rede
Fabricante: ADTRAN
Tamanho: 0.21 MB
Data de adição: 2/20/2014
Número de páginas: 30
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Resumos

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Resumos do conteúdo
Resumo do conteúdo contido na página número 1

Section 61182007L1-5A
Issue 1, June 2001
®
Total Access 3010 LTU
High-bit-rate Digital Subscriber Line
Transceiver Unit for the Central Office
Installation and Maintenance
CONTENTS
1. GENERAL ............................................................................ 1
LTU
182007L1 1
2. INSTALLATION .................................................................. 2
PWR
3. OPERATION ........................................................................ 3
G703
4. HDSL SYSTEM TESTING..........

Resumo do conteúdo contido na página número 2

The HDSL local loop operates as two independent NTU at less than -120 Vdc. Span powering voltages subsystems each operating over a single twisted pair. meet all requirements of IEC 950. The LTU communicates over these two twisted pairs REVISION HISTORY to the HDSL Transceiver Unit - Remote end (NTU). This is the first issue of this practice. Future changes Each subsystem carries half of the total bandwidth to this document will be summarized in this along with a small amount of overhead used f

Resumo do conteúdo contido na página número 3

3. OPERATION The switch positions are: Center OFF Powering Options The unit features automatic sensing based on the Up MODE current load detected on the HDSL circuit. Span Down SELECT powering at less than -120 Vdc allows for span The switch is spring-loaded to the center (OFF) powering of circuits without REGs or with one REG. position. The display is used to report the loop LTU Alarm Outputs margins (dB), and other operational conditions. Pin B10 of the LTU edge connector interface provides F

Resumo do conteúdo contido na página número 4

Status Mode After selecting the LTU from the SCU, the display T1 enters Status mode. It alternately displays loop margin G.703 R1 for each HDSL loop, any active alarm condition, and general status conditions. G.703 LTU MON RX The HDSL loop margin is displayed for each loop that is active with the messages “1=xx” and “2=xx” where xx is the HDSL loop margin for that loop. The loop HDSL EQ HDSL LOOP 1 margin is held on the display for 2 seconds. The loop RX LOOP 1 LTU margin will not be displayed i

Resumo do conteúdo contido na página número 5

LOS2 No synchronization of LTU and NTU on LTU Network-Side Loopback loop 2 AIS LOCAL HER1 HDSL loop1 error G.703 G.703 LOOP X HER2 HDSL loop2 error LTU NTU 1=XX* Loop 1 in Sync NTU Network-Side Loopback 2=XX* Loop 2 in Sync AIS LOCAL G.703 G.703 * XX is the Signal Quality Level of the loop and LOOP X LTU NTU ranges from 0-20, where 0 is an indicator of poor signal quality and 20 represents good signal quality. NTU Customer-Side Loopback X LOCAL Display Off Mode AIS G.703 LOOP The display enters

Resumo do conteúdo contido na página número 6

Many portable personal computers use power-saving The screens illustrated in Figure 6 through Figure 18 programs that are known to interfere with applications are for an HDSL circuit deployed with ADTRAN’s running on the personal computer. If using a portable Low Voltage HDSL technology. The circuit includes personal computer with terminal emulation capability, an LTU, NTU, and two REG. This scenario was communication between the computer and the HDSL chosen for inclusiveness of functionality. H

Resumo do conteúdo contido na página número 7

Accessing the HDSL circuit information via the Total After successful logon, the Total Access System Access SCU requires Logon and a Password using the Screen will appear as illustrated in Figure 7. SCU Control Port. See Figure 6, Logon Screen. Shelf: 77 Total Access System 04/07/01 15:44 Unacknowledged Alarms: MAJOR MINOR INFO Total Access System Account Name:

Resumo do conteúdo contido na página número 8

From the Total Access System Screen, select Access Figure 8, which will display the Access Modules occupying the Total Access 3010 shelf. Select the Modules by typing the number corresponding to the option followed by . This will display the corresponding channel slot number for an LTU. Access Module Menu Screen, illustrated in Shelf: 77 Total Access System 04/07/01 15:46 Unacknowledged Alarms: MAJOR MINOR INFO

Resumo do conteúdo contido na página número 9

This will display the ADTRAN HDSL Main Menu as 5. Test illustrated in Figure 9. 6. Performance Monitoring 7. Protection Configuration From the ADTRAN HDSL Main Menu, the following 8. Circuit ID screens can be accessed. 9. Alarm Options 1. Configuration The Configuration Screen, illustrated in Figure 10, 2. Provisioning provides serial numbers and the manufacturing date 3. Status for each component in the HDSL circuit. 4. Alarms Shelf: 1 Slot: 5 Total Access System 04

Resumo do conteúdo contido na página número 10

The Network Source Screen, illustrated in Figure 12, The Provisioning Screen, as illustrated in Figure 11, allows the user to provision the unit to receive its displays current provisioning settings and allows for changing the system configuration. Provisioning network signal from either MUX or a G.703 source. changes are only allowed at the CO end of the circuit. The unit retains the last provisioning changes to determine its operating mode. Shelf: 1 Slot: 5 Total Access System

Resumo do conteúdo contido na página número 11

The Status Screen, illustrated in Figure 13, provides the information provided is found in the center of the quick access to status information for both the LTU screen. Arrows indicate the key statistics, which and NTU, in addition to any regenerators. apply to both the remote and customer site Type “3” to view the status screen for REG #1, as components. illustrated in Figure 14. If the circuit involves a Indications of Loopback and Sealing Current (if second REG, press “4” from the REG #1 Sta

Resumo do conteúdo contido na página número 12

Figure 15 and Figure 16 depict the HDSL Alarms Predicting performance based upon signal quality and Test Screens. Current alarm conditions are varies with each loop. Generally, a noise margin of 0 displayed on the Alarms Screen, while a self test or or higher will support a bit error rate (BER) of better loopbacks may be initiated or terminated using the than 10-7. The following guidelines correspond to the Test Screen. operation of the LTU faceplate LEDs labeled LP1 and LP2. See Table 3. Tab

Resumo do conteúdo contido na página número 13

At each 15-minute interval, the performance Type the corresponding number to view the information is transferred to the 15-minute Performance History data for customer or network performance data register accessed from the loops. Performance History screen. At each 24-hour From the Status Screen, type “1” to reset the current interval, the performance data is transferred into the performance registers to zero on the Status and 24-hour performance data register also accessed using Performance Hi

Resumo do conteúdo contido na página número 14

The option settings for BER Threshold and BER The Protection Configuration Screen - Main, illustrated in Figure 18, displays the current settings Interval are detailed in Table 4. for Protection Mode, BER Threshold and BER The Protection Configuration Screen – Auxiliary, Interval. The BER Threshold allows the user to select illustrated in Figure 19, displays the current settings a bit error rate that, when exceeded, will cause a for Protection Mode, Minimum Hold-in Time, BER switchover to an a

Resumo do conteúdo contido na página número 15

Table 4. Protection Configuration Option Settings Ps rotection OptionsSn etting Descriptio Po rotection Mode Aut System automatically switches from Main to AUX with no user intervention. Switch is initiated by loss of sync on Main or exceeding BER Threshold. Alarms and switchover notification are generated via the SCU. Auto Mode also allows reversion back to Main once sync is reestablished or the error count drops below the BER Threshold. Auto Hold Auto Hold provides system protection identical

Resumo do conteúdo contido na página número 16

System Current Status are also displayed beneath the The Protection Configuration Screen – Auxiliary also Current Settings summary. The Current System displays a history of switching occurrences. The Status message displays the current operational state following conditions are shown with a history count (Normal, Switched to AUX, Locked Out, Forced to of occurrences: Main, Forced to AUX, Locked to Main). The • Switchovers – Number of times data has been following messages are displayed accor

Resumo do conteúdo contido na página número 17

Figure 21 illustrates the Alarm Options Screen. This 7. MAINTENANCE option allows the user to first set a 15-minute The ADTRAN Total Access LTU requires no routine threshold for both ES and SES alarms and maintenance. In case of equipment malfunction, use subsequently to categorize the crossing of those the faceplate Bantam jack connectors to help locate the thresholds as a MINOR or MAJOR alarm. Setting a source of the problem. threshold to 900 will disable it. ADTRAN does not recommend that

Resumo do conteúdo contido na página número 18

8. PRODUCT SPECIFICATIONS Product specifications are detailed in Table 4. Table 5. Total Access 3000 LTU Specifications Loop Interface Modulation Type ...............................2B1Q Mode ..................................................Full Duplex, Echo Canceling Number of Pairs .................................Two Bit Rate ..............................................1168 kbps per pair Baud Rate ..........................................584K baud per pair Service Range ................

Resumo do conteúdo contido na página número 19

9. WARRANTY AND CUSTOMER SERVICE Canada - Quebec 1 877 923-8726 toll free ADTRAN will replace or repair this product within 1 514 940-2888 voice five (5) years from the date of shipment if it does not 1 514 940-2890 fax meet its published specifications or fails while in sales.quebec@adtran.com service. (See ADTRAN International Equipment Warranty, document 60000003-3). Canada - Other Provinces Contact Customer And Product Services (CAPS) prior 1 877 923-8726 toll free to returning equipme

Resumo do conteúdo contido na página número 20

20 Section 61182007L1-5, Issue 1 61182007L1-5A


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