ADTRAN SHDSL T1 Manual de instrucciones

Section 61182210L1-5A

Issue 1, August 2003

61182210L1-5A 1

Trademarks: Any brand names and product names included in this document are

trademarks, registered trademarks, or trade names of their respective holders.

CONTENTS

1. General ................................................................... 1

2. Description ............................................................. 1

3. Installation.............................................................. 2

4. Provisioning ........................................................... 4

5. Operation................................................................ 5

6. Maintenance ........................................................... 9

7. Specifications ......................................................... 9

8. Warranty and Customer Service ............................ 9

FIGURES

Figure 1. SHDSL T1/E1 LTU Front Panel ................ 1

Figure 2. Typical System Application ....................... 2

Figure 3. SHDSL T1/E1 LTU Menu Tree ................. 6

TABLES

Table 1. Compliance Codes ...................................... 2

Table 2. Front Panel LEDs ....................................... 3

Table 3. Account Names and Passwords .................. 4

Table 4. Configuration Options List ......................... 7

Table 5. E1 Port Statistics Definitions...................... 8

Table 6. T1 Port Statistics Definitions...................... 9

Table 7. SHDSL T1/E1 LTU Specifications ............ 9

1. GENERAL

This document is an installation and maintenance

practice for the ADTRAN Total Access®SHDSL T1/E1

Line Terminating Unit (LTU). Figure 1 illustrates the

SHDSL T1/E1 LTU front panel, P/N 1182210L1.

Revision History

This is the initial issue of this practice. Future changes

to this documentation will be explained in this

subsection.

2. DESCRIPTION

The SHDSL T1/E1 LTU was designed for use in the

Total Access 3000 chassis. The Total Access SHDSL

T1/E1 LTU provides an interface between the SHDSL

network and the Central Office data network. The

SHDSL T1/E1 LTU receives a G.703 signal from the

network and transmits an SHDSL signal to the

customer. The G.703 and SHDSL signals are trans-

mitted/received via the Total Access 3000 chassis

backplane connectors. The SHDSL T1/E1 LTU

supports loop rates from 192 kbps to 2.048 Mbps.

Figure 1. SHDSL T1/E1 LTU Front Panel

The module is 100 percent compliant with the ITU

recommendation (G.991.2) for SHDSL transmission,

ensuring spectral compatibility and interoperability.

Features

The basic features of the SHDSL T1/E1 LTU, P/N

1182210L1, include the following:

• Responds to an Embedded Operations Channel

(EOC) inventory response message

• Provides both transmit and receive clocking

• Provides a user selectable service state option

• Operates in T1 mode with a data rate of 200 kbps to

1.544 Mbps and E1 mode with a data rate of 192

kbps to 2.048 Mbps

• Non-volatile memory configuration

TEST

T1/E1

SHDSL

PWR

ALM

SHDSL

1182210L1

Total Access SHDSL T1/E1 Line Terminating Unit

Installation and Maintenance Practice

2 Issue 1, August 2003 61182210L1-5A

• Factory default restoration via VT100 menu screens

or SNMP commands

• Firmware upgrade using YModem or TFTP

connection

• Receives remote NTU’s firmware upgrades via

YModem or TFTP connection

• Automatically updates the Circuit ID

• Automatically updates the date and time registers

• Password protected

See Figure 2 for a typical configuration setup.

Connections

The SHDSL T1/E1 LTU inserts into any access module

slot (1 through 28) of a Total Access 3000 chassis.

Power and alarm signals are provided to the module

through the backplane of the chassis.

The G.703 and SHDSL signals are transmitted/received

via the 64-pin backplane amphenol connectors. The

G.703 signal is transmitted to the network side via “Pair

8,” and the G.703 signal is received from the network

side via connector “Pair 7.” The SHDSL signal is trans-

mitted to and from the customer side via connector

“Pair 2.”

Compliance

Table 1 shows the compliance codes for the SHDSL T1/

E1 LTU. The SHDSL T1/E1 LTU is NRTL listed to the

applicable UL standards. The SHDSL T1/E1 LTU is to

be installed in a restricted access location and in a Type

“B” or “E” enclosure only.

This device complies with Part 15 of the FCC rules.

Operation is subject to the following two conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received,

including interference that may cause undesired

operation.

Changes or modifications not expressly approved by

ADTRAN could void the user’s authority to operate this

equipment.

3. INSTALLATION

After unpacking the SHDSL T1/E1 LTU, inspect it for

damage. If damage has occurred, file a claim with the

carrier, then contact ADTRAN Customer Service.

Refer to the Warranty and Customer Service section for

further information. If possible, keep the original

shipping container for returning the SHDSL T1/E1

LTU for repair or for verification of shipping damage.

Figure 2. Typical System Application

Table 1. Compliance Codes

Code Input Output

Power Code (PC) F C

Telecommunication Code (TC) – X

Installation Code (IC) A –

C A U T I O N !

SUBJECT TO ELECTROSTATIC DAMAGE

OR DECREASE IN RELIABILITY.

HANDLING PRECAUTIONS REQUIRED.

Network

Management

System

VT100

Total Access 3000

SHDSL

T1/E1

LTU

SHDSL

T1/E1

NTU

1BASCU 2 34 56 78 910 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

SCU

FSE

MODE

ALM

HST

ACO

SELECT

1181018L1

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

PWR

LTU

1181308L1

OPT

Customer T1 or E1

Equipment

(e.g., PABX)

1225236L1

T1/E1

SHDSL

PWR

TEST

ALM

SHDSL

NTU

2-Wire Twisted Pair

61182210L1-5A Issue 1, August 2003 3

Shipping Contents

The contents include the following items:

• SHDSL T1/E1 LTU

• SHDSL T1/E1 LTU Installation and Maintenance

Practice

CAUTION

Electronic modules can be damaged by ESD.

When handling modules, wear an antistatic

discharge wrist strap to prevent damage to

electronic components. Place modules in

antistatic packing material when transporting

or storing. When working on modules, always

place them on an approved antistatic mat that is

electrically grounded.

Instructions for Installing the Module

The SHDSL T1/E1 LTU inserts into any access module

slot (1 through 28) of a Total Access 3000 chassis. To

install the SHDSL T1/E1 LTU, perform the following

steps:

1. If present, remove the Access Module Blank (P/N

1181953L1) from the appropriate access module

slot of the Total Access 3000 chassis.

2. Hold the unit by the front panel while supporting

the bottom side with the ejector latch at the bottom,

and the latch opened to engage the chassis edge

when it is plugged in.

3. Align the module edges to fit in the lower and

upper guide grooves for the designated slot.

4. Slide the module into the access module slot while

pressing equally on the top and bottom of the front

panel until the module is firmly positioned against

the backplane of the chassis.

5. Lock the module in place by pushing in on the

locking lever located on the lower left-hand side of

the module.

The SHDSL T1/E1 LTU initializes and goes opera-

tional upon insertion into an active Total Access 3000

chassis. Initialization is indicated by the front panel

LEDs.

LED Indicators

The front panel of the SHDSL T1/E1 LTU has five LED

status indicators. Table 2 lists the LED descriptions.

Table 2. Front Panel LEDs

LED Indication Description

PWR Off

Green

Yello w

The module is powered off

The module is In Service

The module is Out of Service or in the process of a firmware upgrade

SHDSL Off

Green

Yello w

Red

SHDSL loop is Out of Service, Unassigned

SHDSL loop is trained with good signal quality

SHDSL loop is trained with poor signal quality

SHDSL loop is not trained

T1/E1 Off

Green

Port is active with alarms

Port is active with no alarms

TEST Off

Green

Yello w

Red

Module is not in loopback or BERT

Local loopback is active or BERT is running with no errors

BERT is running with bit errors

BERT is running with no pattern sync

ALM Off

Yello w

Red

No alarm condition detected

Alarm condition detected remotely

Alarm condition detected locally

4 Issue 1, August 2003 61182210L1-5A

4. PROVISIONING

All provisioning will be handled through the SCU

communication link, either through the menu access or

SNMP. There are no onboard DIP switches or jumpers.

The unit will retain provisioning data in a nonvolatile

memory device in case of a loss of power to the module.

Total Access 3000 system management and provi-

sioning is facilitated by a series of intuitive menus that

are accessible on a computer screen. Connecting either

a VT100 terminal or a PC emulating a VT100 terminal

to the craft interface on the SCU front panel allows

access to the menus and management features of the

Total Access 3000.

The front craft access port for the Total Access 3000

system is located on the front panel of the SCU and is a

DB-9 connector. Access can also be made to the Total

Access 3000 chassis from the backplane through the

port labeled ADMIN (J31). It is a DB-25 connector, and

is located on the upper right corner of the backplane.

NOTE

Connecting to the Total Access 3000 chassis

from the front craft port on the SCU requires a

straight serial data cable. Connection to the

Total Access 3000 chassis via the rear

connector on the backplane requires the use of

a null modem cable, because that port is

configured for a modem and expects to see

DCE equipment.

The parameters of the VT100 terminal should be set as

follows:

• 9600 Baud

• No parity

• 8 Data bits

• 1 Stop bits

• No Flow Control

Windows HyperTerminal

Windows HyperTerminal can be used as a VT100

terminal emulation program. Open HyperTerminal by

selecting Programs/Accessories/HyperTerminal. Refer

to the Help section of HyperTerminal for additional

information.

NOTE

To ensure proper display background, select

VT100 terminal emulation under Settings.

Password and User ID

Password protection is factory enabled. If password

protection is enabled, the SCU will display the logon

screen, and a valid account name and password are

required to access menus. The factory default account

names and default passwords (both are case sensitive)

are displayed in Table 3.

NOTE

The Account Name and Password are to be

entered in all capital letters.

Menu Navigation

The following subsection describes the SHDSL T1/E1

LTU menus. Most menu selections are made by typing

the corresponding number and then pressing ENTER. If

the wrong selection is made, pressing ESC will display

the previous screen. The Question Mark (?) can be used

at any time to display a list of menu commands.

Main Menu

The Total Access Main menu allows the user to access

the module for various functions such as provisioning,

status, alarms, and performance monitoring.

The menu tree in Figure 3 illustrates the path to every

provisioning, performance, and test access point in the

SHDSL T1/E1 menu system.

Tab le 4 lists the complete set of configurable options

with settings and factory default values.

Table 3. Account Names and Passwords

Account

Name

Default

Password

Access

Rights

ADMIN PASSWORD Administration Access

READONLY PASSWORD Read Access only

READWRITE PASSWORD Read and Write

Access

TEST PASSWORD Read and Test Access

61182210L1-5A Issue 1, August 2003 5

NOTE

When the LTU is in T1 mode, all related E1

options will be non-applicable. A non-appli-

cable option setting is still changeable, but will

not take affect until the option become appli-

cable.

5. OPERATION

Test Capabilities

The Total Access SHDSL T1/E1 LTU has the following

test capabilities:

• Self diagnostics

• Local loopbacks

• EOC initiated remote loopbacks

• Internal bit error rate tester (BERT)

Self Diagnostics

The Total Access SHDSL T1/E1 LTU performs self

diagnostic tests of its Read Only Memory (ROM),

Random Access Memory (RAM), LEDs, and non-

volatile configuration setting upon power-up.

Local and Remote Loopbacks

For troubleshooting purposes, the SHDSL T1/E1 LTU

provides three types of loopback tests.

1. Dual sided

2. Network

3. Customer

BERT

The SHDSL T1/E1 LTU provides an internal bit error

rate tester (BERT) for the injection and observation of

random bit sequence to and from the SHDSL.

Customer Port

The SHDSL T1/E1 LTU operates in either E1 mode or

T1 mode.

E1 Mode

In E1 mode the port features are as follows:

• Carries information at the rate of 2.048 Mbps

• Uses CCS framed format with or without CRC-4

• Operates in either Alternate Mark Inversion (AMI)

or High-Density Bipolar 3 (HDB3) line code

• Provides programmable timeslot idle pattern

• Supports ISDN-PRA V3 service

• Displays additional status information via a local

VT100 management screen

See Tab le 5 for E1 port statistics definitions.

T1 Mode

In T1 mode the port features are as follows:

• Carries information at the rate of 1.544 Mbps

• Uses Superframe Format (SF) or Extended Super-

frame Format (ESF)

• Operates in either Alternate Mark Inversion (AMI)

or Bipolar w/8-Zero Substitution (B8ZS) line code

• Provides programmable timeslot idle pattern

• Monitors the Facility Data Link (FDL)

• Displays additional status information via a local

VT100 management screen

See Tab le 6 for T1 port statistics definitions.

NOTE

In T1 mode both the SHDSL T1/E1 LTU and

the SHDSL NTU must be operational.

6 Issue 1, August 2003 61182210L1-5A

Figure 3. SHDSL T1/E1 LTU Menu Tree

1. Unit Information

Main

SHDSL Version

Vendor List Number

Vendor Issue Number

Vendor Software Version

Unit Identification Code (CLEI)

Vendor ID

Vendor Model Number

Vendor Serial Number

Manufacture Date

PROM Check Sum

2. Provisioning

3. Status

4. Test

1. Data Mode = E1, Timeslots

2. Local Management = Enabled

3. Clock Source = Internal

4. Service State = In Service

5. Ext Port Alarms = Enabled

6. Circuit ID

7. Restore Factory Defaults

8. Upgrade Firmware

9. Change Password

1. Line Coding = HDB3

2. Framing Mode = CCS

3. ISDN-PRA V3 = Disabled

4. Idle Pattern = FFh

1. DSX-1 Line Buildout

2. Line Coding

3. Framing Mode

4. Idle Pattern

5. FDL Monitoring

1. Dual Sided

2. Customer

3. Network

4. Off

1. Local Loopback

2. Remote Loopback

3. BERT

1. SHDSL = ALARMS

2. E1 = ALARMS

1. LTU

2. NTU

1. SHDSL

2. E1

1. SES Count Threshold = 50 CVCs

2. SNR Margin Alarm Threshold = Disabled

3. Loop Attenuation Alarm Threshold = Disabled

4. ES 15 Minute Alarm Threshold = Disabled

5. Performance History

6. Terminal Mode

1. Unit Options

2. SHDSL Options

4. Test Options

General Status

Aggregate Rate (kbps)

SNR Margin (dB) (Cur/Min/Max)

Loop Attenuation (dB) (Cur/Min/Max)

Errored Seconds (ES)

Severely Errored Seconds (SES)

Unavailable Seconds (UAS)

Code Violations Count (CVC)

LOSW Seconds (LOSWS)

Loopback Status

BERT Status

General Status

Data Rate

Framing Mode

Errored Seconds (ES)

Severely Errored Seconds (SES)

Unavailable Seconds (UAS)

Code Violations Count (CVC)

Transmit Customer Alarm Indication Signal (Tx Cust AIS)

Transmit Network Alarm Indication Signal (Tx Net AIS)

Customer Source Address Bits (Cust SA -Bits)

Network Source Address Bits (Net SAS-Bits)

Network Address Bit (Net A-Bit)

SHDSL Version

Vendor List Number

Vendor Issue Number

Vendor Software Version

Unit Identification Code (CLEI)

Vendor ID

Vendor Model Number

Vendor Serial Number

Other Vendor Information

1. Loopback Time Out = Disabled

2. BERT Pattern = 2e15-1

3. BERT Pattern Polarity = Normal

1. Data Type = E1

2. Data Rate = 3

3. Apply Settings

1. In Service

2. Out of Service - Unassigned

3. Out of Service - Maintenance

1. Disabled

2. Enabled

1. Disabled

2. Enabled

1. Disabled

2. Enabled

1. Normal

2. Inverted

1. ALT

2. 2047

3. 2e15-1

4. QRSS

1. 0-133 Feet

2. 133-266 Feet

3. 266-399 Feet

4. 399-533 Feet

5. 533-655 Feet

0. Disabled

1-15. Threshold in dB

0. Disabled

1-127. Threshold in dB

0. Disabled

1-900. Seconds

1. E1 Options

2. T1 Options

0. Disabled

1-999. Timeout in Minutes

1. AMI

2. HDB3

1. AMI

2. HDB3

1. Unframed

2. CCS

3. CCS w/CRCA

1. Unframed

2. SF

3. ESF

0. Disabled

1-65535. Errors

1. Disabled

1.-255. CVCs to cause a SES

2. Enabled

1. Internal

2. External

5. SES 15 Minute Alarm Threshold = Disabled

6. UAS 15 Minute Alarm Threshold = Disabled

7. CVC 15 Minute Alarm Threshold = Disabled

8. LOSWS 15 Minute Alarm Threshold = Disabled

61182210L1-5A Issue 1, August 2003 7

Table 4. Configuration Options List

Category Option Setting Default

Unit Options Data Mode For Data Type = T1, Data Rate can

be from 3 to 24 timeslots

(i.e. 200 kbps to 1.544 Mbps)

For Data Type = E1, Data Rate can

be from 3 to 32 timeslots

(i.e., 192 kbps to 2.048 Mbps)

Data Type = 1

Data Rate = 24

Local Management 1 = Disabled

2 = Enabled

Enabled

Clock Source 1 = Internal

2 = External

Internal

Service State 1 = In Service

2 = Out of Service - Unassigned

3 = Out of Service - Maintenance

Out of Service -

Maintenance

External Port Alarms 1 = Disabled

2 = Enabled

Disabled

Restore Factory Defaults

Firmware Upgrade

Change Password

SHDSL Options SES CVC Threshold 0 to 255 CVC’s 50

SNR Margin Alarm

Threshold

0 = Disabled

1 to 15db = Alarm Threshold

Disabled

Loop Attenuation Alarm

Threshold

0 = Disabled

1 to 127db = Alarm Threshold

Disabled

ES 15 Minute Alarm

Threshold

0 = Disabled

1 to 900 Seconds = Alarm Threshold

Disabled

SES 15 Minute Alarm

Threshold

0 = Disabled

1 to 900 Seconds = Alarm Threshold

Disabled

UAS 15 Minute Alarm

Threshold

0 = Disabled

1 to 900 Seconds = Alarm Threshold

Disabled

CVC 15 Minute Alarm

Threshold

0 = Disabled

1 to 65535 Errors = Alarm threshold

Disabled

LOSWS 15 Minute Alarm

Threshold

0 = Disabled

1 to 900 Seconds = Alarm Threshold

Disabled

T1 Options (T1 Mode Only) Line Coding 1 = AMI

2 = B8ZS

B8ZS

Framing Mode 1 = Unframed

2 = SF

3 = ESF

ESF

Idle Pattern 00h to FFh 7Fh

FDL Monitoring (ESF Mode

Only)

1 = Disabled

2 = Enabled

Disabled

8 Issue 1, August 2003 61182210L1-5A

E1 Options (E1 Mode Only) Line Coding 1 = AMI

2 = HDB3

HDB3

Framing Mode 1 = Unframed

2 = CCS

3 = CCS w/CRC-4

CCS

Idle Pattern 00h to FFh FFh

ISDN - PRA V3 (CCS or

CCS w/CRC-4 Mode Only)

1 = Disabled

2 = Enabled

Disabled

Test options Loopback Timeout 0 = Disabled

1 to 999 Minutes = Timeout

Disabled

BERT Pattern 1 = ALT

2 + 2047

3 = 2e15 – 1

4 = QRSS

2e15 – 1

BERT Pattern Polarity 1 = Normal

2 = Inverted

Normal

Table 4. Configuration Options List (Continued)

Category Option Setting Default

Table 5. E1 Port Statistics Definitions

Statistic Framing Mode Definition

Errored Seconds (ES) Unframed LOS condition or BPV’s > 0

CCS LOS or LOF condition, or if BPV’s > or FE’s > 0

CCS w/CRC-4 LOS, LOF, or LOMFA condition, or if FE’s > 0 or CRC-4

errors > 0

Severely Errored Seconds (SVS) Unframed LOS condition

CCS LOS or LOF condition or if FE’s > 4

CCS w/CRC-4 LOS, LOF, or LOMFA condition, or if FE’s > 4 or CRC-4

errors ≥300

Unavailable Seconds (UAV) N/A If 10 continuous SES’s, then UAS

If 10 continuous seconds with no SES’s, then no UAS

Code Violations Count (CVC) Unframed If BPV’s > 0

CCS If BPV’s > 0, or FE’s > 0

CCS w/CRC-4 If FE’s > 0 or CRC-4 errors > 0

61182210L1-5A Issue 1, August 2003 9

6. MAINTENANCE

The SHDSL T1/E1 LTU requires no routine mainte-

nance for normal operation.

ADTRAN does not recommend that repairs be

attempted in the field. Repair services may be obtained

by returning the defective unit to ADTRAN. Refer to

the Warranty and Customer Service section for further

information.

7. SPECIFICATIONS

Specifications for the Total Access 3000 SHDSL T1/E1

LTU are detailed in Table 7.

8. WARRANTY AND CUSTOMER SERVICE

ADTRAN will replace or repair this product within the

warranty period if it does not meet its published specifi-

cations or fails while in service. Warranty information

can be found at www.adtran.com/warranty.

Table 6. T1 Port Statistics Definitions

Statistic Framing Mode Definition

Errored Seconds (ES) Unframed LOS condition or BPV’s > 0

SF LOS or LOF condition, or if BPV’s > 0 or FE’s > 0

ESF LOS or LOF condition, or if BPV’s > 0 or FE’s > 0

Severely Errored Seconds (SVS) Unframed LOS condition or BPV’s > 1544

SF LOS or LOF condition, or if BPV’s > 1544 or if FE’s > 8

ESF LOS or LOF condition, or if BPV’s > 1544 or if FE’s > 8

Unavailable Seconds (UAV) N/A If 10 continuous SES’s, then UAS

If 10 continuous seconds with no SES’s, then no UAS

Code Violations Count (CVC) Unframed If BPV’s > 0

SF If BPV’s > 0 or FE’s > 0

ESF If BPV’s > 0 or FE’s > 0

Table 7. SHDSL T1/E1 LTU Specifications

Environmental

Operating Temperature:

Storage Temperature:

Relative Humidity:

Maximum Current Draw:

Maximum Heat

Dissipation:

–5°C to 55°C

–40°C to 85°C

90 percent maximum @

50°C, noncondensing

0.15 A maximum

@Ð48VDC

3.5 watts

Physical

Dimensions:

Weight:

6 in. H x .625 in. W x 10

in. D

< 1 lb.

Part Number

SHDSL T1/E1 LTU

Module:

1182210L1

10 Issue 1, August 2003 61182210L1-5A

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