Avaya Configuring WAN Lines Services Manual do Utilizador Página 339

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Site Manager Parameters
308648-14.00 Rev 00
A-45
Parameter: Line Type
Path: FT1 Connector > Edit Logical Lines > Port Details > FT1 Port Parameters
Default: ESF
Options: Unframed T1
|
ESF
|
SF/D4
Function: Specifies the frame format.
ESF transmits superframes consisting of 24 individual SF/D4 frames, and
provides enhanced signaling and synchronization.
SF/D4 transmits superframes consisting of 12 individual frames.
Instructions: Select the appropriate frame format for your T1 equipment. Use Unframed T1
only with BERT mode to match the line type.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.4.1.6
Parameter: Line Coding
Path: FT1 Connector > Edit Logical Lines > Port Details > FT1 Port Parameters
Default: B8ZS
Options: AMI
|
B8ZS
Function: Specifies a line-coding method. B8ZS line coding replaces a block of eight
consecutive binary zeros with an 8-bit B8ZS code containing bipolar violations
in the fourth and seventh bit positions of the substituted code. In the receive
direction, the B8ZS code is detected and replaced with eight consecutive
binary zeros.
AMI line coding is also bipolar: a binary zero is transmitted as zero volts, and a
binary 1 is transmitted as either a positive or negative pulse, opposite in polarity
to the previous pulse. (When configured for AMI line coding, the FT1 link
module remains synchronized upon receiving up to 45 consecutive zeros.)
Instructions: Select the line-coding method.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.4.1.7
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