ADTRAN Stub Routing Dokumentacja Pobierz pdf (Strona 329)

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101

Command Reference Guide DDS Interface Configuration Command Set

data-coding scrambled

Use the data-coding scrambled command to enable the ADTRAN OS scrambler to combine user data

with pattern data to ensure user data does not mirror standard DDS loop codes. The scrambler may only be

used on 64 kbps circuits without frame relay signaling (clear channel).

Syntax Description

No subcommands

Default Values

By default, the scrambler is disabled.

Command Modes

(config-dds 1/1)# 56K/64K (DDS) Interface Configuration Mode required

Command History

Release 1.1 Command was introduced

Functional Notes

When operating at 64 kbps (clear channel operation), there is a possibility the DTE data sequences may mimic

network loop maintenance functions and erroneously cause other network elements to activate loopbacks. Use

the

data-coding scrambled

command to prevent such occurrences. Do not use this command if using frame

relay or if using PPP to another device other than an AOS product also running scrambled.

Usage Examples

The following example enables the ADTRAN OS scrambler:

(config)#

interface dds 1/1

(config-dds 1/1)#

data-coding scrambled

1 2 ... 324 325 326 327 328 329 330 331 332 333 334 ... 567 568

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