Cisco 7000 Series Hardware Installation And Maintenance page 105

Connections
Network
Preparing
Connections
V.35
The
V.35
recommended
The
router
network
used
for V.35
Figure
available
mode
Figure
Connections
X.21
The X.21
United
DTE
EIA/TIA-232
The
router
network
the
at
DCE
or
Figure
JIIIIIITDCE
EIA-530 Connections
EIA-530
distance of
standard
existing
EIA/TIA-449
7000 Hardware
2-40 Cisco
most commonly
interface
is
48 kbps although
for speeds
to
up
FSIP
end
of V.35
all
end
of the adapter cable
provides
connections
shows
2-35 the connectors
with standard V.35
plug
Adapter Cable Connectors
2-35 V.35
interface connection
uses
15-pin
Kingdom
connect
to public
DCE
and
interfaces and
as
end
FSIP
X.21
of
all
end
of the adapter cable
network end X.21
of the
adapter
DB-15
receptacle
2-36 X.21 Adapter Cable Connectors
________
which
balanced
supports
EIA/TIA-449 on
the smaller
was
created support the
to
DB-25
EIAITIA-232 hardware
Like EIA/TIA-449
and
Maintenance
Installation
used United States
in the
in practice
it
cables
adapter is high-density
standard
34-pin Winchester-type
network end
the of theV.35
at
DTE
mode
male for
or
End
Network
DTE
DCE
for balanced
circuits
networks X.21
data relocates
fewer
circuits
result requires
cables
is
adapter high-density
DB-
standard 15 connector
is
X.21
cable cables are available
End
Network
DTE
the increased
transmission provides
DB-25
used
connector
more
sophisticated
circuitry
instead of the larger 37-pin
EIA-530
the
refers to electrical
and and
Europe
throughout
used Mbps
is
at
successfully
plug The
60-pin opposite
connector commonly
cable V.35 cables
adapter
female
V.35 for
receptacle
and
used
in
is commonly
some of the logic functions
and
smaller connector than
plug The
60-pin opposite
shows
2-36 the connectors
Figure
DTE
DB-15
either
as
speed and
functionality
The EIA-530
EIA/TIA-232
for
EIAJTIA-449 on masses
of the
used
connectors for
RS-422
of
specifications
is
are
DCE
the
the
to
plug
of
and