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Cisco IOSSoftware Configurationforthe Cisco12000Series One-PortChannelized OC-12/STM-4(DS1/E1)ISE Line

How to Configure Layer 1 Features

Cisco IOS Release 12.0(27)S1

Configuring E1 Lines under SDH Framing with AU-4 AUG Mapping

Procedures and examples for configuring E1 channel-groups on the 1-Port CHOC-12 ISE line card are

presented in the following sections:

• Creating a Logical Channel Group on a E1 Line under SDH Framing with AU-4 AUG Mapping,

page 31

• Removing a Logical Channel Group from an E1 Line under SDH Framing with AU-4 AUG

Mapping, page 32

• Creating an Unframed Logical Channel Group on an E1 Line, page 32

• Setting the Framing Format on an E1 Line, page 33

• Setting the Clock Source on an E1 Line, page 34

• Setting the National Bits on an E1 Line, page 34

• Using the ping Command to Verify Network Connectivity, page 34

• Using E1 Interface Loopback Modes, page 35

• Configuring a BER Test on an E1 Line, page 36

Creating a Logical Channel Group on a E1 Line under SDH Framing with AU-4 AUG Mapping

E1 channels are supported under SDH framing, with AUG mapping set to AU-4. Configuration of the 63

E1s is done per TUG-3 (see the “Entering TUG-3 Configuration Mode” section on page 23). Each

TUG-3 comprises 7 TUG-2s. Each TUG-2 can be configured to carry up to 3 E1s mapped into TU-12s.

To configure a logical channel group on an E1 line, use the tug-2 tug-2-number e1 e1-line-number

channel-group channel-group-number timeslots list-of-timeslots TUG-3 configuration command.

Table 8 describes the syntax of this channel group command:

Table 8 E1 Line Channel Group Syntax

Range Description

tug-2 tug-2-number 1to 7 Specifies the TUG-2 number in the selected TUG-3.

e1 e1-line-number 1 to 3 A TUG-2 can carry three TU-12s, each of which can

carry a channelized E1 frame.

channel-group

channel-group-number

0 to 30 Defines a logical channel group, identifying the set of

timeslots allocated to this n x E0 channel in the

channelized E1 line, where n is a timeslot number in

the range from 1 to 31.

timeslots

list-of-timeslots

1 to 31 Combination of subranges within 1 to 31 (each

subrange is a list of timeslots that makes up the E1

line).

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 57 58

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Cisco ISE - Line Card ISE Manual do Utilizador Página 31