configure ports t1 framing
ExtremeWare Software 7.3.0 Command Reference Guide 1705
configure ports t1 framing
configure ports <portlist> t1 framing [esf | sf]
Description
Configure framing for T1 links.
Syntax Description
Default
ESF framing is enabled by default.
Usage Guidelines
Framing is used to synchronize data transmission on the line. Framing allows the hardware to
determine when each packet starts and ends. The two choices for T1 framing are Super Frame (SF), also
known as D4, and Extended Super Frame (ESF). The ESF scheme is a newer standard and is enabled by
default. To choose the T1 framing scheme, use the following command:
If you choose to use SF framing, you should disable yellow alarm detection for the T1 line. SF framing
may generate false yellow alarms. See the command
“configure ports snmp alert” on page 1702 to
disable yellow alarms.
Example
The following command sets framing to SF for the T1 ports:
configure ports 3:1-3:4 t1 framing sf
History
This command was first available in ExtremeWare v6.1.5w2.01WAN technology release.
This command was subsequently incorporated into ExtremeWare 7.0.0.
Platform Availability
This command is available on the Alpine 3800 series platform, when a WAN module is installed.
portlist A list of ports.
esf Specifies ESF framing.
sf Specifies SF framing.
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