Cisco 7000 Series Hardware Installation And Maintenance page 74

Balanced EIAJTIA-449
drivers allow
shows
Table 2-5 the standard
IEEE Standard
Table 2-5
bps
Rate
Distance
2400 4100
4800 2050
9600 1025
19200 513
38400 256
56000 102
TI
1544000 50
Note The recommended
distance
X.21 and EIA-530.You
V.35
do
own
however
so
at
your
and
V.35
4-Mbps
rates supports
and
data transmission
published rates
SONET
Connections
for
SONET
The
for
specification
Modes
multimode be
can
thought
Single-mode allows
fiber
only
modes
allows
fiber
multiple
the fiber they
propagate through
them
the destination
causes to arrive
at
As
fiber
result single-mode
multimode The maximum
fiber
SONET
2-6
are in Table
by
maximum
distances
significant
SONET
Maximum
Table 2-6
Maximum
Transceiver
Type
Up
Single-mode
to
Multimode
Up
to 1.5
This results
table
gives
typical
determine the distances
to actual
signals to travel
between
relationship bit
EIA/TIA-449 Transmission
Distance
Feet
1250
625
312
156
78
31
15
EIAITIA-449
for
limits
can good
results at
get
common
risk In
practice
without
rates
any problems
distances
AlP
the
transmission
fiber-optic
of bundles
of
as
light
mode
one of
to
light propagate
of
to
propagate through
light
distances
travel different
times
at different
bandwidth
is of higher
capable
distances
for
single-mode
between two
the distance
If
signal loss can result
Transmission
Fiber-Optic
Stations1
Distance between
miles 14.8
kilometers
miles
2.4 kilometers
You
should use the
power
budget
distances than
EIA/TIA-232
greater
and
distance for EIA/TIA-449
rate
Versus Distance
Speed
Meters
shown
in Table
2-5
are
and
distances
greater than
rates far
EIAITIA-449
and EIA-530
we
do recommend
but not
two
defines types of fiber single
the
fiber
at
rays entering
the fiber while
through
As
the fiber modes
multiple
the entry angles
on
depending
modal dispersion
called
phenomenon
and
greater cable run distances than
and multimode
transmissions
connected
stations
is
greater
transmission unreliable
making
Distances
calculations
Preparing
Site Requirements
signals
also valid for
these
2-Mbps
support
exceeding
mode
and
angle
particular
multimode
of
light
This
defined
as
than these
2-9
for Installation