Specifications

Chapter 4 Configuration FibeAir 4800 Installation and Operation Guide

4-6 FibeAir 4800 Installation and Operation Guide

To define automatic channel selection in the 5.4 ETSI version

1. Select the main frequency from the Operating Channel menu.

Automatic Channel Selection is selected by default.

2. Click at least two check boxes in the Available Channels List of all the

allowable channels that can be automatically selected.

Installation will not continue until at least two channels are defined.

Selecting a new channel causes the system quality to change. The quality bar

shows the adjustment until the system finds the best quality link.

Any channel selected is evaluated for 60 seconds; therefore this selection

process may take a few minutes.

3. If you are not satisfied with the channel that is selected automatically, click

Reselect Channel.

A new channel will be selected from one of the Available Channels that

have been defined.

The reselection process may take a few minutes.

4. Click Next.

The maximum rate is selected according to the link conditions

The quality bar shows the adjustment until the system finds the best quality

link.

6. Click Next.

The Service Parameters dialog box appears.

4.3 Configuring Service Parameters

The user defines the type of service required, Ethernet Only or Ethernet with

TDM. The bandwidth remaining available for Ethernet if TDM services are

required is shown in the dialog box.

FA4800 ACCESS versions are Ethernet Only.

In the Service Parameters dialog box select if FA4800 is to provide E1/T1,

(x1 or x2 for IDU-E, or x4 for IDU-C). Define the required transmission rate, and

the distance between the sites.

To configure E1/T1 and Ethernet services:

1. In the Service dialog box, select one of the following:

 Ethernet plus a number of E1/T1 channels (see Figure 4-5).

 Ethernet data only (see Figure 4-6).

2. Select the transmission rate required.

The default rate is Adaptive. ACCESS versions only operate in Adaptive mode.

Adaptive Modulation - The system changes modulation automatically

depending on channel characteristics in order to guarantee continuation of

Note