Avaya Configuring TDM Services Manuel d'utilisateur télécharger pdf (Page 18)

Configuring TDM Services

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309426-14.10 Rev 01

Switched H.110 TDM Circuits

Switched H.110 TDM circuits allow you to establish a connection between two

dual synchronous connectors. You use this type of circuit primarily for local

connections.

CES H.110 TDM Circuits

CES H.110 TDM circuits connect an ATM permanent virtual circuit (PVC) to an

H.110-connected device. CES H.110 TDM circuits transmit TDM data over an

ATM network using Circuit Emulation Services (CES). When you use this type of

circuit, you must configure CES on an ATM PVC to emulate TDM functionality

on that ATM PVC.

For information on how to configure CES, see Configuring ATM Services.

The Role of CES

CES is a set of services that supports the emulation of TDM circuits over an ATM

network. CES provides a constant bit rate (CBR) virtual circuit that performs just

like a synchronous point-to-point private line.

When configuring CES to transfer TDM data, you must configure the ATM PVC

to use the ATM adaptation layer 1 (AAL 1) encapsulation.

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Avaya Configuring TDM Services Manuel d'utilisateur Page 18