Paradyne Hotwire 7974 Manuale utente

Hotwire®TDM SDSL Standalone Termination Units

Models 7974-A2, 7975-A2, and 7976-A2

Installation Instructions

Document Number 7900-A2-GN11-20

December 2001

Product Documentation Online

Complete documentation for this product is available at www.paradyne.com. Select

Library

→

Technical Manuals

→

Hotwire DSL Systems.

Select the following document:

7900-A2-GB21

Hotwire TDM SDSL Standalone Termination Units,

Models 7974-A2, 7975-A2, 7976-A2, User’s Guide

To order a paper copy of a Paradyne document:



Within the U.S.A., call 1-800-PARADYNE (1-800-727-2396)



Outside the U.S.A., call 1-727-530-8623

Be sure to register your warranty at www.paradyne.com/warranty.

Package Checklist

Verify that your package contains:

❑Hotwire®TDM SDSL Standalone Termination Unit

❑24 VDC power transformer with separate power cable

–or –

6-conductor direct connection DC power cable

❑8-position-modular-to-8-position-modular network cable

❑DB9-to-8-position modular terminal cable

Notify your sales representative if anything is missing.

Installation Overview

Installation and configuration of the Hotwire 797x Standalone Termination Unit consists

of:



Connecting power to the unit.



Connecting to the network.



Connecting to a DTE.



Connecting a system terminal.



Providing initial unit identity information or changing existing identity information.



Configuring your unit using the Configuration Edit menus.

Before you install the unit, read the

Important Safety Instructions

on page 35.

See the User’s Guide for additional information about:



Configuration Options



Messages and Troubleshooting



Technical Specifications



Connectors, Cables, and Pin Assignments

Connecting Power to the Unit

If your package includes a power transformer:

1. Plug the power cable into an AC outlet having a nominal voltage rating between

100–240 VAC.

2. Connect the power cable to the transformer.

3. Connect the output cable of the transformer to the connector marked POWER on

the rear panel.

If your package includes a direct-connection DC power cable:

Connect the unit to an external +24 or –48 VDC SELV (Safety Extra Low Voltage) power

source as described in the following section.

Connecting the Unit to an Optional External +24 or –48 VDC Power

Source

Using the DC power cable, the unit is capable of operating on a +24 VDC or –48 VDC

SELV power supply.

Procedure

To use the DC power cable for +24 VDC:

1. Connect the green wire to a suitable ground.

2. Connect the orange wire to the +24 VDC source.

3. Connect the white wire to the return.

4. Cut the black, red, and blue wires off at the outer insulation.

5. Plug the power connector into the unit.

Procedure

To use the DC power cable for –48 VDC:

1. Connect the green wire to a suitable ground.

2. Connect the orange wire to the –48 VDC source.

3. Connect the black wire to the return.

4. Cut the red, white, and blue wires off at the outer insulation.

5. Plug the power connector into the unit.

Power Cable Pinouts

Pin Number Wire Color Signal

1Black–48 VDC Return

2Red–48 VDC Return

3 Green Ground

4 White +24 VDC Return

5 Orange –48 VDC

+24 VDC

6 Blue No Connection

99-16291

546

Connecting to the Network

Procedure

To connect your unit to the network:

1. Connect one end of the supplied 8-position-modular-to-8-position-modular network

cable into the rear panel DSL jack.

2. Connect the other end to your DSL network interface.

NOTE:

not

use a flat VF network cable as this may severely degrade the

performance of the unit. Use only Cat 5 twisted-pair network cable.

Connecting to a DTE

See

Connectors, Cables, and Pin Assignments

in the User’s Guide for specifications of

the connectors and cables.

Model DTE Connection

7974 The DSX-1 interface is an RJ48C, 8-position, unkeyed modular connector.

An RJ48C-to-DB15 T1 network interface adapter cable is available from

Paradyne.

7975 The synchronous interface is a 25-pin EIA-530-Ainterface. Depending onthe

cable used, the interface can be adapted to an X.21, RS-449, or V.35

interface.

7976 The G.703 interface is either two BNC connectors (Transmit and Receive) for

a 75-ohm unbalanced interface or an RJ48C, 8-position, unkeyed modular

connector for a 120-ohm balanced interface.

LEDs

The following table contains a description of the LEDs on the Hotwire 797x Standalone

Termination Unit’s front panel.

Label Color LED is . . .*

* Slow Cycling: LED turns off and on in equal duration once per second.

Fast Cycling: LED turns off and on in equal duration 5 times per second.

Pulsing: LED turns off momentarily once per second.

Indicating . . .

POWER Green On

Off

Slow Cycling

Normal operation.

No power to the unit.

Unit is in minimum mode and a download is

required.

ALARM Red On

Off

Device failure, or self-test has failed.

Self-test passed.

TEST Yellow On

Off

Slow Cycling

Loopback test or 511 test pattern in progress.

No tests in progress.

Self-test in progress.

DSL Green On

Off

Slow Cycling

Fast Cycling

DSL link is up.

The DSL link is down.

DSL training in progress.

An OOF condition.

DSX-1

DTE

G.703

Green On

Off

Slow Cycling

Fast Cycling

DTE port is operational.

DSX-1: No signal on DTE port.

Sync DTE:Configured control leads (DTR/RTS)

are not asserted.

G.703: No signal on DTE port.

DSX-1: Yellow Alarm Indication received.

Sync DTE: Not applicable.

G.703: Remote Alarm Indication received.

DSX-1: OOF, LOF, EER, or AIS condition.

Sync DTE: Not applicable.

G.703: OOF, LOF, EER, or AIS condition.

Connecting to a System Terminal

An optional system maintenance terminal may be attached to your Hotwire 797x

Standalone Termination Unit through the modular jack on the rear panel. The system

maintenance terminal allows you to view the status of the unit and change configuration

options. The terminal must be a VT100-compatible terminal or a PC running terminal

emulation software.

Procedure

To connect your unit to a system terminal:

1. Connect the 9-pin end of the supplied terminal cable into a COM port on your PC.

2. Plug the other end into the modular jack on the rear panel.

3. Set the communication parameters on your PC or terminal to:

—9600 baud

—8 bit characters

—no parity

—1 stop bit

—no flow control

Press Enter from your terminal or PC to activate the Main Menu for the attached unit.

The system runs diagnostics and status checks. After a few moments, the Main Menu or

Logon screen appears on your terminal.

main Hotwire

Model 797x

MAIN MENU

Status

Test

Configuration

Control

-----------------------------------------------------------------------------

Ctrl-a to access these functions Exit

Asynchronous Terminal Interface Menu

The following illustration shows the menu paths to the different terminal screens.

Main

Status Test

System and

Test Status Performance

Statistics Display

LEDs Identity

Network

Error

StatisticsNetwork

Performance

Statistics

Configuration Control

Factory

Config

Configuration

Loader

Current Configuration

Edit/Display

System

Options Communication

Port Management

and

Communication

Change

Identity

Administer

Logins

Download

Code

Apply

Download

Reset

AutoRate

Device

Tests

Abort

All

Tests

01-16496-03

Reset

Device

Network

General SNMP

Management SNMP NMS

Security

Communication

Protocol

Telnet

Session SNMP

Traps

7974: DSX-1 Statistics

7975: (Not Applicable)

7976: G.703 Statistics

7974: Network and DSX-1 Tests

7975: Network Tests

7976: Network and G.703 Tests

7974: (Not Applicable)

7975: Sync Data Port Tests

7976: (Not Applicable)

7974: DSX-1

7975: Sync Port

7976: G.703

Current

Network

Performance

Entering Identity Information

After accessing your unit for the first time, use the Change Identity screen to determine

SNMP administrative system information that will be displayed on the Identity screen of

the Status branch. To access the Identity screen, follow this menu selection sequence:

Main Menu → Control → Change Identity

Selecting a Configuration Method

You can make configuration changes either through a VT100-compatible terminal and

the unit’s Configuration menus or by manually changing switches on the board. The unit

is shipped with the switchpacks disabled to allow settings to be made through the

Configuration menus. See the User’s Guide for detailed information about the

configuration options and switch settings.

Configuring the Unit Using the Configuration Menus

Use the Configuration menu to select, display, or change configuration option settings.

NOTE:

The Hotwire 797x Standalone Termination Unit is shipped configured as an NTU. If

using this unit as an NTU, the configuration options may not need to be altered.

The unit has two sets of configuration option settings:



The Current Configuration: The unit’s active set of configuration options.



The Default Factory Configuration: A read-only configuration area containing the

factory default configuration options.

Displaying Configuration Options

To display configuration options, you must first load a configuration into the edit area. To

load aconfiguration option set into the configuration edit area, follow this menu selection

sequence:

Main Menu → Configuration (Load Configuration From)

Make a selection by placing the cursor at your choice and pressing Enter.

Configuration Edit/Display

The Configuration Edit/Display screen is displayed when the current or default

configuration is loaded. To access the Configuration Edit/Display screen, follow this

menu selection sequence:

Main Menu → Configuration →Current Configuration

–or –

Main Menu → Configuration → Default Factory Configuration

If you select . . . Then . . .

Current

Configuration The selected configuration option set is loaded and the

Configuration Edit/Display menu screen appears.

Default Factory

Configuration The selected configuration option set is loaded and the

Configuration Edit/Display menu screen appears.

Configuration

Loader The Configuration Loader screen is displayed allowing you to

upload or download configurations from a TFTP server.

main/config/edit

Model: 797x

CONFIGURATION EDIT/DISPLAY

Network

DSX-1 | SYNC Port | G.703

System Options

Communication Port

Management and Communication

-----------------------------------------------------------------------------

Ctrl-a to access these functions, ESC for previous menu MainMenu Exit

Save

Select . . . To Access the . . . To Configure the . . .

Network Network Interface Options (Table 1) DSL network interface on

the unit.

DSX-1

SYNC Port

G.703

DSX-1 Interface Options –Model

7974 (Table 2)

Synchronous Data Port Options –

Model 7975 (Table 3)

G.703 Interface Options –Model

7976 (Table 4)

DSX-1 interface

(Model 7974)

Synchronous DTE interface

(Model 7975)

G.703 interface

(Model 7976)

System Options System Options (Table 5) General system options of

the unit.

Communication

Port Communication Port Options

(Table 6) Unit’s COM port options.

Management

and

Communication



Telnet Session Options (Table 7)



Communication Protocol Options

(Table 8)



General SNMP Management

Options (Table 9)



SNMP NMS Security Options

(Table 10)



SNMP Traps Options (Table 11)

Management supportof the

unit through SNMP and

Telnet.

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