JUNOSe 9.1.x Command Reference Guide N to Z > T-U-V-W-X-Y-Z Commands > timing source

timing source

Description: 

Configures the router's timing sources. Only one of these timing sources can be an external source received through an interface on an I/O module other than the SRP I/O module; the other two must be either internal sources or external sources received through the SRP I/O modules. There is no no version.

Syntax: 

timing source selector { internal | line lineType | uidType interfaceSpecifier }

• selector—Priority of the timing source; in descending order: primary, secondary, or tertiary
• internal—Specifies the internal SC oscillator
• line—Specifies external timing input on the SRP module
• lineType—One of the following timing sources:

• e1:a—E1 clock, port A on SRP module
• e1:b—E1 clock, port B on SRP module
• t1:a—T1 clock, port A on SRP module
• t1:b—T1 clock, port B on SRP module

• uidType—One of the following interfaces:

• ds1—Specifies a DS1 interface
• ds3—Specifies a DS3 interface
• e1—Specifies an E1 interface
• e3—Specifies an E3 interface
• sonet—Specifies a SONET interface

• interfaceSpecifier—Particular interface; in the form slot/port[:subPort ]

Mode(s): 

Global Configuration

Release Information: 

Command introduced before JUNOSe Release 7.1.0.