Nortel BSG12aw 1.0, Руководство по настройке

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WAN configuration 29
Configuration Guide
Variable definitions
This table describes the variables used to configure the T1/E1 interface.
Variable Value
Interface The T1/E1 controller.
Framing The Framing Type for the T1/E1 data line.
Options for T1:
Extended Super Frame (ESF)— 24
consecutive 193-bit frames of data.
Super Frame (SF)—12 consecutive
193-bits of data.
Unframed—the non signaling or unframed
framing format is a simplified version of
the T1 super frame.
The default value is ESF.
Line Mode The Line Mode.
Options:
Channel Service Unit (CSU)—select if
cable length is equal to or more than 655
feet.
Data Service Unit ( DSU)—select if cable
length is less than 655 feet.
The default value is CSU.
LineBuildOut The level of attentuation (in decibels)
required for the devices on each end of a
T1 line to communicate. Options are:
0 db
-7.5 db
-15 db
-22.5 db
You can configure this field only for T1
CSU mode.