Cisco 7513 Hardware Installation And Maintenance Manual page 212

and
Configuring
Installing
J6 on
Jumper
Configuring
By
default
shield
external
changes
one and two
pins
mother board
Figure
Table
Jumper
J6
Warning
jumper
jumper
interface
safety
After
replace
7513 Hardware
5-50 Cisco
Processor Modules
the
El Port
Adapter
El
channelized
port adapters
and
chassis This provides
ground
G.703
in the
devices stated
as
El
remove the
port adapter
two and
or pins
Pin of J6
is
designated
Location
5-11 of Jumper
El
port adapter
5-8
Jumper
Settings
and
Pins
Impedance
ohm
and 120
for
ohm
and 75
for
To
problems with
prevent
J6 should be
trained
installed by
J6 bypasses the
installed at
AC
This
to is
directly
J6 has
no jumper
installed
J6
jumper
set proceed to
you
MIP
the
port adapter
and Maintenance
Installation
with
set
capacitive
are
DC
current isolation
direct
J6 controls
Jumper
specification
from mother board
the
place
and
three refer Table 5-8
to
with
See
square
Figure
J6 on
the El Port
AdapterPartial
Cable
connector
Jumper
J6
and Functions
Function
Controls
coupling
capacitive
installed connects
jumper
directly
El and
the interface reduce
to
service personnel
only
AC-decoupling
capacitor to
could
that risk
setting
pose
Removing and
the section
between
the receive
coupling
between and
the chassis
make
To
function
this
one of the spare jumpers on
the port adapter
on
replace
5-11
View
for either 75-ohm
120-ohm
or
Rx
the
shield to chassis
the potential
for
injury
For
either
impedance
option
ground
the
thereby coupling
of severe
By default
injury
MIP
Port
Adapters
Replacing
Rx
J6
the
an
operation
ground
and
for
to