Avaya Configuring WAN Line Services Manual do Utilizador descarregar pdf (Página 108)

Configuring WAN Line Services

6-6

117345-B Rev. 00

By default, the T1 line buildout for DSX-1 is based on a physical line length of

1 ft. Configure a line length based on the approximate length of the cable

connecting the router and the associated T1 equipment, from 1 to 655 ft.

See the Line Buildout parameter on page A-75

for information.

Setting the Internal Clock Mode

The T1 equipment associated with a T1 interface must use a compatible transmit

clock. The T1 interface supports three sources for the transmit clock:

• Internal -- Indicates that the router sets the clock

• Slave -- Indicates that the incoming data stream sets the clock

• Manual -- Indicates that jumpers on the T1 link or net module set the clock

By default, the T1 interface uses manual clock mode, which is determined by

hardware configuration jumpers. See Installing and Maintaining BN Routers or

Installing and Maintaining ASN Routers and BNX Platforms for information

about configuring the T1 module’s hardware jumpers.

See the Clock Mode parameter on page A-75

for information.

Assigning Channel Functions

Each T1 channel on an interface is idle by default. You can assign the following

functions:

• Data -- Assigns the channel to data pass-through (T1 connector to

T1 connector)

• Voice -- Assigns the channel to voice pass-through (T1 connector to

T1 connector)

• Circuit 1 -- Assigns the channel to the first T1 connector

• Circuit 2 -- Assigns the channel to the second T1 connector

• Idle -- Makes the channel idle

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Avaya Configuring WAN Line Services Manual do Utilizador Página 108