Chapter 21 Appendix A: Operation Commands
152
Command:
>set e1 rai
Syntax:
set e1 rai setting
Explanation:
enable/disable E1 RAI
Parameters:
setting
on/off
Command:
>set e1 mf
Syntax:
set e1 mf setting
Explanation:
For E1, CAS (Channel-Associated Signaling) is a method for sending signaling
information. Time slot 16 of the E1 format is shared for each 30 other time slots within the
same E1.
OFF designation is for disabling CAS. For E1, when disabled, the 256N multiframe is used
when time slot 16 is available to the user. The maximum number of time slots available
for
payload is 31.
ON designation is for enabling CAS. When enabled, the 256S multiframe is used when
time slot 16 is reserved for the transmission for end-to-end signaling using CAS. The
maximum number of time slots available for payload is then 30.
Parameters:
setting
on/off
Command:
>set e1 primary_clk
Syntax:
set e1 primary_clk clock_source
Explanation:
Select E1 primary clock source
Parameters:
clock_source
line/internal
Command:
>set e1 secondary_clk
Syntax:
set e1 secondary_clk clock_source
Explanation:
select e1 secondary_clk clock_source
Parameters:
clock_source
line/internal
Command:
>set e1 timer
Syntax:
set e1 timer timing
Explanation:
The Loopback timer is used to set the loopback time.
Its purpose is to prevent the
irretrievable loss of your WAN line while doing loopback testing.
The maximum time
period is 3600 seconds. When you are not performing loopback testing via the WAN port
you
can ignore the timer.
Note
:
When a loopback is issued via the WAN port, the WAN port will be unavailable
while the loopback is in effect, and thus cannot be used to turn the loopback off. If you are
going to issue a loopback via the Wan port you
must
set the loopback timer for a period
(in
seconds) suitable to your testing requirements. If you are not planning to do any loopback
testing via the WAN port, leave the timer at its default settling of “0” seconds.
Parameters:
seconds 0~86400
Command:
>show e1 diagnostic
Syntax:
show e1 diagnostic
Explanation:
It shows the results of pattern synchronization and errors count. If PRBS pattern is received,
PRBS SYNC is shown . Else, PRBS UNSYNC is shown and bit error count is displayed
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