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Configuring the PortMaster 3 11-3
Setting the Inband Signaling Protocol for T1
Warning – If you configure a line for fractional T1 and reboot the PortMaster 3 before
configuring the group and channels, you will no longer be able to see and configure the
line. You must erase your entire configuration and reboot to see the line again.
Setting the Channel Rate
To set the channel rate to 56Kbps or 64Kbps for a channel group, use the following
command. Table 11-2 explains the channel rate options.
Command> set Line0 group Cgroup 56k|64k
Setting the Inband Signaling Protocol for T1
To set the inband signaling protocol and the inband call options used with channelized
T1, use the following command. Table 11-3 explains the inband signaling protocol
options.
Command> set Line0 signaling wink|immediate|fxs
Table 11-2
Channel Rate Options
Option Description
Line0
Line0 or Line1.
Cgroup
Defined channel group from 1 to 63.
56k 56Kbps, typically used for D4 framing.
64k 64Kbps, used for framing types other than D4. This is the
default.
Table 11-3
T1 Inband Signaling Protocol Options
Option Description
Line0
Line0 or Line1.
wink E & M wink start protocol, an option for use with T1
lines. This is the T1 default.
immediate E & M immediate start protocol, used with T1 lines.
fxs Foreign exchange station (FXS) loop start protocol
used with T1 lines.
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