Chapter 3. Operation
31
Configuration
<1>
Service
:
This
configuration
setting
is
used
to
place
the
E1/T1
port
IN
or
OUT
of
service.
For
unused
channels,
place
them
OUT
of
service
to
avoid
alarm
condition.
<2>
Line
Code
:
This
setting
configures
the
port
for
HDB3
(E1)
/
B8ZS
(T1)
or
AMI
(E1/T1)
line
coding.
In
most
modern
PDH
networks,
HDB3/B8ZS
is
the
desired
setting.
<3>
Auto
AIS
:
When
enabled,
a
loss
of
received
signal
condition
will
transmit
AIS
on
this
port's
Tx
line.
<4>
Clear
Performance
Counter
:
The
E1
performance
is
monitored
and
the
counter
incremented
is
case
of
errors.
The
counter
can
be
reset
with
this
menu
selection.
<5>
Loopback
Test
:
Selecting
this
item
will
pop
up
the
loop
back
setting
options
The
following
graphics
explain
the
loopback
locations
for
each
of
the
three
available
loopback
settings.
*
LLB
(E1/T1
local
loop
back)
near
end
(NE)
far
end
(FE)
*
RLB
(E1/T1
remote
loop
back)
near
end
(NE)
far
end
(FE)
*
RRLB
(request
E1/T1
remote
loop
back)
near
end
(NE)
far
end
(FE)
------------------------------------------------------------------------------
<0> Disable <1> LLB <2> RLB <3> RRLB <Esc> Exit
E1/T1
E1/T1
E1/T1
E1/T1
E1/T1
E1/T1
Summary of Contents for FMUX160
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