ADTRAN NetVanta 900 Series Manuale utente

61200788L1-29.1B

July 2004

Configuration Guide

Configuration Guide: Analog and

Digital Voice

This Configuration Guide is designed to provide you with a basic

understanding of the concepts behind configuring your NetVanta 950 IAD

for analog and digital voice traffic. Two configuration methods are

available for your NetVanta IAD:

• Web-Based GUI

• AOS CLI

The web-based GUI lets you configure the main settings and provides

online guidance and explanations for each setting. However, use of the

AOS CLI may be necessary for more advanced configurations.

Access the AOS CLI via the CONSOLE port or a Telnet session. For more

details on CLI access, refer to the AOS Command Reference Guide on

your ADTRAN OS Documentation CD (included in the shipment).

This guide consists of the following sections:

•Understanding Analog and Digital Voice on page 2

•Configuring Your IAD on page 4

•Verifying Your Configuration Using Show Commands on page 36

•Testing Your System on page 38

•Managing Event Messages on page 41

Understanding Analog and Digital Voice NetVanta 950 IAD Configuration Guide

1. UNDERSTANDING ANALOG AND DIGITAL VOICE

Hardware Description

The applications discussed in this guide require the following hardware:

• One NetVanta 900 Series AC Chassis (P/N 1200786L1)

• One NetVanta 950 IAD Controller (P/N 1200788L1)

• One NetVanta 950 T1/V.35 Expansion Module (P/N 1200798L1)

• Five NetVanta 900 Series Octal FXS Access Modules (P/N 1200791L1)

• One NetVanta 900 Series Octal FXO Access Module (P/N 1200792L1)

Figure 1 shows the front view of the chassis.

Figure 1. NetVanta 950 IAD Front Panel Layout

The CONSOLE port and T1 1/1 port are located on the front of the unit. The LEDs on the Controller, T1/V.35

Expansion Module, FXO Access Module, and FXS Access modules provide status information.

1200792L11200792L1

NetVanta 900 Series

ANLG FXO

1200792L1

TRUNKS

NetVanta 950 IAD Configuration Guide Understanding Analog and Digital Voice

The tip/ring pairs for the analog voice ports connect to the right side of the chassis shown in Figure 2.

Figure 2. NetVanta 950 IAD Right Side Panel Layout

The T1s connect to the left side of the chassis as shown in Figure 3.

Figure 3. NetVanta 950 IAD Left Side Panel Layout

Voice Ports

(Amphenol)

Network

Connections

Alarm

Contacts

Battery

Backup

Connection

Ground

Lug

Power

Connection

Configuring Your IAD NetVanta 950 IAD Configuration Guide

Common Applications

• POTS to PSTN via T1 - less expensive than individual analog trunk lines

• POTS to Centrex service via T1

• PBX to PSTN via T1 or FXO

•OPX

Types of Signaling

• Analog: Loop Start, Ground Start, E&M, DPT (FXO only)

• Digital: Robbed-Bit, Clear Channel

2. CONFIGURING YOUR IAD

The remainder of this document provides examples designed to clarify the configuration of analog (FXS or

FXO) or digital (T1) voice. Section 2a describes how to configure the IAD with the Web GUI. Section 2b

(starting on page 16) describes how to configure the IAD with the CLI.

2a. Configuring your IAD with the Web GUI

You can configure your IAD with the interactive Web GUI. The web-based GUI lets you configure the

main settings and provides online guidance and explanations for each setting. However, you may have to

use the AOS CLI for more advanced configurations.

Logging In

Open a browser window and type the IP address for the unit in the address field. A login window

(shown in Figure 4) displays.

Figure 4. Login Screen

Enter your USER NAME and PASSWORD; then click OK. The default username is admin, and the default

password is password. The IAD MANAGEMENT INTERFACE for the NetVanta 950 displays as shown in

Figure 5 on page 5. For information on setting your IP address and connecting the IAD to the LAN,

refer to the NetVanta 950 IAD Quick Configuration Guide provided on your ADTRAN OS

Documentation CD.

NetVanta 950 IAD Configuration Guide Configuring Your IAD

T1 Ports

When you log into the Web GUI, the GENERAL SYSTEM INFORMATION page displays in your browser

window.

Figure 5. General System Information Page

Configuring Your IAD NetVanta 950 IAD Configuration Guide

In the left column select PHYSICAL INTERFACES, and the screen shown in Figure 6 displays. This

screen shows all the physical interfaces that are installed in the system.

Figure 6. Physical Interfaces Page

NetVanta 950 IAD Configuration Guide Configuring Your IAD

View or edit the configuration of an interface by selecting its name. Select the t1 0/1 port, and

the T1 0/1 CONFIGURATION page displays as shown in Figure 7.

Figure 7. Configuration for T1 0/1

By default, the T1 interface is set for ESF framing and B8ZS coding. If you want to change settings,

select different options from the pulldown menus. For example, if you want to change FRAMING, select

the pulldown menu as shown in Figure 8. Select the new option from the list. When you are finished

making changes, select APPLY.

Figure 8. Changing the Framing Configuration

Configuring Your IAD NetVanta 950 IAD Configuration Guide

System Clock Source

The clock source provides the reference point for all voice and data traffic in the system. There can

only be one clock source for the system, otherwise clock slips may occur on the other T1 interfaces,

resulting in noise on voice lines and errors on data circuits. Options include INTERNAL, t1 0/1, or t1 0/2.

The default clock source is t1 0/1. Change the clock source by clicking on the PRIMARY CLOCK SOURCE

menu and selecting another option. You can also select a backup source if more than one source exists;

otherwise, Internal timing will be used as a backup. When you are finished making changes, click

APPLY.

Figure 9. System Clock Source

You can also check the configured settings as well as the current clock source on the

GENERAL SYSTEM INFORMATION page as shown in Figure 5 on page 5.

NetVanta 950 IAD Configuration Guide Configuring Your IAD

TDM Groups

TDM groups are used to assign a number of DS0s to a particular interface. By creating a TDM group,

the user sets aside a block of T1 channels for use in a particular cross connect. To access the DS0

Connections, scroll down the browser screen until you see the configuration box shown below. You

can assign 24 DS0s to a T1 interface by selecting a DS0 RANGE of 1 to 24 (as shown in Figure 10). For

the CONNECT TOfield, select t1 0/1. For the STARTING DS0 select 1. Click ADD. A TDM group is

created for the interface and channels 1-24 are assigned to the TDM group. The new DS0 connection

displays at the bottom of the box.

Figure 10. TDM Groups

You can scroll down the page and use the STATUS box to view a snapshot of the current

status and statistics or to get a continuous update of the status and statistics of the T1 port.

Configuring Your IAD NetVanta 950 IAD Configuration Guide

Configuring the FXS Card

To configure the FXS card, select PHYSICAL INTERFACES in the left pane. All of the available interfaces

display as shown in Figure 6 on page 6. Select an FXS port, such as fxs 7/1,and the page shown in

Figure 11 displays. Change any of the settings (discussed in detail below) as required. When you are

finished, select APPLY. To apply changes to several ports at the same time, select the check box for each

port at the top of the screen. To apply the changes to all of the ports, click SELECT ROW.

Figure 11. FXS Card Configuration Settings

Settings

Click on ENABLE to enable the interface. The interface is disabled by default. The receive gain is

configurable in 0.1 dB increments from -12 dB to +6 dB (default is -3 dB). Receive gain determines

the amplification of the signal before sending the signal out the FXS interface. When increasing this

value, the signal being received on this port from the network sounds louder. When decreasing this

value, the signal being received on this port sounds softer.

The transmit gain is also configurable in 0.1 dB increments from -12 dB to +6 dB (default is -6 dB).

Transmit gain determines the amplification of the signal before sending the signal towards the

network. When increasing this value, the signal being transmitted to the far end sounds louder. When

decreasing this value, the signal being transmitted to the far end sounds softer.

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