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Configuring WAN Line Services

7-16

117345-B Rev. 00

Setting the Source of Accept Performance Messages

On DMCT1 net modules and QMCT1 or QMCT1 w/ DS0A link modules only,

you can specify the source from which the router accepts send performance

messages:

• Customer Inst -- Indicates that the router accepts messages only from the

customer installation

• Carrier -- Indicates that the router accepts messages only from the carrier

See the Accept Perf Measurement CR Addr parameter on page A-34

for

information.

Setting the Primary Clock Source

Timing is independent for the two ports on a DMCT1 net module, and for the four

ports on a QMCT1 or QMCT1 w/ DS0A link module. For these modules, you

select the timing source for each port.

Specify the primary source for timing signals:

• Internal -- Uses the clock chip on the MCT1 module

• Port 1 Ext Loop -- Uses the signal coming in from port 1

• Port 2 Ext Loop -- Uses the signal coming in from port 2

• Port 3 Ext Loop -- Uses the signal coming in from port 3 on a QMCT1

• Port 4 Ext Loop -- Uses the signal coming in from port 4 on a QMCT1

• Auxiliary Ext -- Uses an external source via port 1

See the Primary Clock parameter on page A-35

for information.

Note:

DMCE1 and DMCT1 link modules contain a single clock chip that

provides the timing signals for both ports. Therefore, clock parameters that

you set for the first port apply to the second port on the module.

Note:

External clocking via port 1 requires a special Y-cable, Bay Networks

Order No. AA0018006.

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Avaya Configuring WAN Line Services Manual do Utilizador Página 128