Nortel BSG12aw 1.0, Руководство по настройке

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28 WAN configuration
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The T1/E1 Configuration pane appears.
2 Select interface 1.
The Interface Type field defaults to T1.
3 From the Framing list, select ESF or SF .
The framing you set here must agree with the framing used by the peer.
4 From the Line Mode list, select CSU or DSU .
This setting depends upon the distance between the devices on either end of
the T1 line. For shorter distances, use DSU. For longer distances, use CSU.
This information should be provided by your service provider.
5 From the LineBuildOut list, select 0 , -7.5 , -15 , or -22.5 .
You can configure LineBuildOut if Line Mode is CSU.
You should contact your service provider for proper settings for the:
• type of framing
• line coding
• line mode
• line build out
• line length
• clock source
6 From the Line Length list, select the line length.
You can configure line length when Line Mode is DSU. This setting depends
upon the length of the cable connecting the devices on each end of a T1 line.
7 From the Transmit ClockSource list, select Loop Timing .
When you select Loop Timing, the remote end provides the clock source. Check
with your service provider.
8 Click Apply .
End