Avaya Configuring WAN Line Services Manual de usuario Pagina 139

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Configuring MCE1 and MCT1 Services
117021-A Rev. A 7-39
Setting the Line Coding Method
How you set line coding depends on whether you are testing an MCE1 or MCT1
line:
The MCE1 port uses HDB3 transmit and receive line coding by default. You
can select AMI line coding instead.
The MCT1port uses B8ZS transmit and receive line coding by default. You
can select AMI line coding instead.
For a description of these line coding methods, refer to “Setting the MCE1 Line
Coding” or “Setting MCT1 Line Coding,” earlier in this chapter.
Setting the Line Type
Line type settings depends on whether you are testing an MCE1 or MCT1 line:
MCE1 Lines -- Select the appropriate frame format for the associated E1
equipment you are testing:
-- E1(the default).
-- E1 CRC -- Adds a 4-byte CRC trailer at the end of each frame.
MCT1 Lines -- Select the appropriate frame format for testing:
-- ESF -- The default setting. With this option set, FDL port actions apply.
-- SF/D4.
For a detailed description of SF and ESF frame formats, refer to “Setting the T1
Frame Type” in Chapter 6.
Setting FDL Options (MCT1 Only)
Facility data link (FDL) options apply only when the MCT1 Line Type is
configured as ESF for testing. Select one of the following ESF line types:
ANSI -- the default, conforms to the 1989 ANSI T1.403 specification
(Carrier-to-Customer Installation DS1 Metallic Interface)
AT&T -- conforms to the 1989 AT&T specification (Requirements for
Interfacing Digital Terminal Equipment to Services Employing the Extended
Superframe Format)
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