
Configuring FT1 Services
117345-B Rev. 00
8-25
Setting the Line Type
When configuring the line-type setting for an FT1 line, select the appropriate
frame format for testing:
• ESF -- The default; FDL port actions apply
•SF/D4
For a detailed description of SF and ESF formats, see “Setting the T1 Frame
Type” on page 6-3
.
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:
• 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)
Setting the Signal Level
By default, the T1 transmit power level is 0.0 dB. Specify a decibel level from
-15 dB to 1.5 dB, according to the length of the cable or as determined by the
carrier. See “Setting the Signal Level” on page 8-7 for more information.
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