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Configuring APPN Services

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308963-14.00 Rev 00

Parameter: Clock Source

Default: Internal

Options: External

Internal

Function: Identifies whether the router provides clocking (INTERNAL) or receives

clocking (EXTERNAL) from the other device. The parameter specifies

the origin of the synchronous timing signals. If you set this parameter to

Internal, this router supplies the required timing signals. If you set this

parameter to External, an external network device supplies the required

timing signals.

Use this parameter when connecting the SNA equipment directly to the

router. Either the router or the SNA equipment can define the speed of the

SDLC link. You must configure one device to internal clocking, and the

other device to external clocking.

Instructions: For direct connection to a control unit, such as an IBM 3174, set to

Internal. For connection to a modem, set to External. For direct

connection to an IBM 3745, either the router or the IBM 3745 can provide

the clock source. If the IBM 3745 does not provide clocking, set to

Internal.

MIB Object ID: 1.3.6.1.4.1.18.3.4.5.1.13

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Avaya Configuring APPN Services Manual do Utilizador Página 54