Avaya Configuring WAN Lines Services Bedienungsanleitung Seite 241

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Configuring FT1 Services
308648-14.00 Rev 00
8-39
Setting the Line Type
Select one of the following line types (frame formats) for your FT1 line:
For more information on these frame formats, refer to “Setting the T1 Frame
Type” on page 6-4.
Using Site Manager
See the Line Type parameter on page A-45 for information.
Setting FDL Options
Facility data link (FDL) options apply only when the FT1 line type is configured
as ESF for testing. Select one of the following ESF line types:
Using Site Manager
See the FDL Configuration parameter on page A-47 for information.
Table 8-16. FT1 Line Type Options
Option Description
ESF The default; transmits extended superframes (ESFs), each consisting
of 24 SF/D4 frames; provides enhanced signaling and synchronization
For ESF lines, you can also set the facility data link (FDL) mode. See
“Setting the FDL Mode for ESF Line Types” on page 8-11
.
SF/D4 Transmits superframes, each consisting of 12 individual frames
Unframed T1 Use only with BERT mode to match the line type.
Table 8-17. ESF Line Types
Option Description
ANSI 403 The default; conforms to the 1989 ANSI T1.403 specification
(
Carrier-to-Customer Installation DSI Metallic Interface)
AT&T 54016 Conforms to the 1989 AT&T specification (
Requirements for Interfacing
Digital Terminal Equipment to Services Employing the Extended
Superframe Format
)
None Disables the FDL mode
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