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Dual T1/PRI Commands
3-3
Menu Options
4 and 6
Forcing receiver reframe on the span lines
Issuing command options 4 or 6 forces the T1 framer to reframe or
re-synchronize incoming data on span line 1 or 2.
Use these options if error conditions occur. Observe error conditions
through span line 1 and 2 Alarm/Event status screens.
Menu Options
5 and 7
Disconnecting calls on specific span line B-channels
Options 5 and 7 allow you to disconnect calls on specific B-channels,
or time slots, on span lines 1 and 2. Enter the number of the channel or
channels you wish to disconnect calls on at the command prompt.
Valid channels are 1–23. Channel 24 is reserved as a D-channel.
Attempting to disconnect a call on channel 24 will produce an ERROR
message and reject the entire command even if other valid channels were
entered.
Use the following syntax when configuring this option:
BC#
(for a single channel)
BC#,BC#,BC#,...
(for single, non-sequential channels)
BC#-BC#
(for a range of channels)
Where:
BC#
= B-Channel number (1–23)
Menu Option 8 Forcing the NAC to master the TDM bus
This feature is not supported.
Menu Options
9 and 10
Entering and exiting locally initiated loopbacks on the span lines
Issue loopback tests to verify that the span’s framer circuitry is functioning
properly and to test Telco links. Menu options 9 and 10 control loopback
tests for span lines 1 and 2. Initiate or terminate loopback tests from
these prompts.
This command turns the local interface into a “mirror” facing back
toward the network.