4RF Aprisa XE Documento tecnico - Pagina 6

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2.3.

Network

Selecting a Network clocking source is a two step process. First the radio must be set to Network clocking.

Then an interface must be configured as the network clock input.

Select "Network" from the Clock Source drop down box. Once selected, click on the "Apply" button.

Figure 4 : External Clocking Option

The next step involves selecting the external interface that the radio is to clock from, be it an E1/T1 or

HSS port.

Before setting up network clocks the cross-connect application must be started and a cross-connect

between the ports you wish to use as external clocks established.

Once cross-connections are made navigate to the interface page and select the card and then port which

you want to clock from, as shown in the figures below.

Figure 5 : Interface Summary menu

Select the slot of the card which you want to make the network clock source. Click on "Configure

Interfaces" button once selected.

Aprisa XE Clocking Technical Paper

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Issued by: 4RF Customer Services 15 January 2009