HP 7000 dl Router Series Guide de l'utilisateur télécharger pdf (Page 531)

SROS Command Line Interface Reference Guide E1 Interface Configuration Command Set

clock source [internal | line | through]

Use the clock source command to configure the source timing used for the interface. The clock specified

using the clock source command is also the system master clock. Use the no form of this command to

return to the default value.

Syntax Description

internal Configures the unit to provide clocking using the internal oscillator.

line Configures the unit to recover clocking from the primary circuit.

through Configures the unit to recover clocking from the circuit connected to the DSX-1

Default Values

<option> line

Command Modes

(config-e1 1/1)# E1 or G.703 Interface Configuration Mode required.

(config-e1 1/2)#

Functional Notes

When operating on a circuit that is providing timing, setting the clock source to line can avoid errors such

as Clock Slip Seconds (CSS).

Usage Examples

The following example configures the unit to recover clocking from the circuit:

(config)#interface e1 1/1

(config-e1 1/1)#clock source line

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HP 7000 dl Router Series Guide de l'utilisateur Page 531