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Configuring Channelized E1 Interfaces

By default, all the time slots on a channelized E1 interface are used. There can be a

maximum of 24 channel groups per channelized E1 interface. Thus, you can configure a

maximum of 240 channel groups per PIC.

To specify the DS0 channel group number in the interface name, include a colon (:) as

a separator. For example, a Channelized E1 PIC might have the following physical and

virtual interfaces:

ds-0/0/0:x

where x is a DS0 channel group from 0 through 23 (for more information about ranges,

see Table 3 on page 10).

You can use any of the values within the range available for x; you do not have to configure

the links sequentially. In addition, the Junos OS applies the interface options you configure

according to the following rules:

•

To configure the e1-options statement, you must set channel group x to 0:

ds-0/0/0:0

•

There are no restrictions on configuring the ds0-options statement.

•

If you delete a configuration you previously committed for channel group 0, the options

return to default values.

To configure the channel groups and time slots for a channelized E1 interface, include

the following statements at the [edit chassis] hierarchy level:

[edit chassis]

fpc slot-number {

pic pic-number {

ce1 {

e1 link-number {

channel-group group-number;

timeslots time-slot-range;

}

NOTE: If you commit the interface name but do not include the [edit chassis]

configuration, the Channelized E1 PIC behaves like a standard E1 PIC, and

none of the DS0 functionality is accessible.

There are 32 time slots on an E1 interface; however, time slot 0 is reserved. You can

designate any combination of time slots. To configure ranges, use hyphens. To configure

discontinuous time slots, use commas. Do not include spaces.

Table 3 on page 10 shows the ranges you can specify.

Chapter 2: Channelized E1 Interfaces

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ADTRAN Tracer TRACER 2 x E1 Bedienungsanleitung Seite 21