Cisco 7000 Series Hardware Installation And Maintenance page 77
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Also See for 7000 Series:
- Command reference manual (1018 pages) ,
- Reference manual (746 pages) ,
- Configuration manual (536 pages)
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Requirements
Multimode
Following
link distance
PB
PB11.5dB4dB2dBl.5dB0.5dBl
PB
The
value
due
to
with
Single-Mode
The
longer
occur
monochromatic
The
maximum
receiver
to
To
prevent
between any
link
SONET
The
following
connected
Length
12
Estimate
PB
PB
PB
The
in excess
Statistical
Statistical
Determining
data
further information
specifications
7000
Hardware
2-12
Cisco
Power
Budget
Example
with
the
an
is
example
km
of
dB
11.5
km1.0
dB/km
dB
1.5
dB
of
indicates
1.5
that
the dispersion
on
the
limit
multimode
fiber In
this
case
Transmission
source
is
single-mode
signal
because
there
distances
is
In addition
chromatic
dispersion
overload
specification
be
when
can
overloaded
dB
while
the receiver
could
the receiver
overloading
SONET
single-mode
Power
Single-Mode
example
of
single-mode
through
patch
panel
of single-mode
link
connectors
the
follows
budget
as
power
km
dB
dB/km
11.5
0.5
11
5.5
dB
-6
dB
dB
11.5
2.5dB
dB
value
of 2.5
indicates
that
maximum
of the
receiver
Models
for
Estimating
models more
accurately
the link
with
loss
statistical
link
Statistical
components
UNI
refer
to
and
Maintenance
Installation
of
Dispersion
same
the previous
as
parameters
dB
dB
40.5
0.5
dB
would have
this link
sufficient
MHz
4km
155.52
link
would be
fiber
single-mode
diode Single-mode
an injection
laser
transmission
path
single
reduced
because
is
also
on
the single-mode
receiver
using short lengths of
fiber
14
dB
be
overloaded
but
at
short
fiber
links
connecting
and
transmitter
the receiver
Budget
Example
power budget
of
is
an
with
in
intervening
building
km
11
dB
12
0.5
would have
link
this
sufficient
power
input
Power
Budget
determine
the
power
budget
methods
accurate
requires
power budget
is
beyond
analysis
Forum
ITU-T
specifications
Limit
but with
example
HOL
0.5
dB
dB
for transmission
power
MHzkm
500
would
link
this
choice
the better
transmission
is
and smear
within
the
fiber
laser
is
light
essentially
14
dBm
The
single-mode
is
because
the transmitter can
the receiver
no damage
to
aS
dB
10
attenuator
insert
to
kilometers
two
buildings
11
of 12
connectors
total
for transmission
power
method
than
the worst
case
of variations
knowledge
document
the scope
of
this
and your equipment
standards
multimode
CRM
However
work
not
useful
for
does
not
transmit
up
result
will
the
on
apart
and
not
is
the
in
For
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