Cisco AGS+ Hardware Installation And Maintenance page 99

and Cable
Applique Pinouts
DCE DIE Apphques
RS-449 and
The RS-449
contains
mode
shown
is
Figure
The RS-449
DCE
The
source
clock
It is important
cable-induced
reliable
connecting
clock
The RS-449
compensate
to
the
to
AGS
A-16 Hardware
Installation
DTE
contains
applique
female connector
37-pin
on
labeled card
the circuit
is
A- 10 and RS-449
in Figure the
UCE AppliqueComponent-Side
RS-449
A-b
DCE
applique requires
contains additional
an
applique
W2
and
Pins of jumpered
are
on the clock transmit external
serial
DTE
attached
that the
clock This
problems
high data rates
at
operation
W2
and
of
pins together
SCT/ST
transmit instead of
DTE
see
applique Figure
for clock
phase
shifting
DCE
modem
be
applique configured
and Maintenance
male
while
37-pin connector
The
ribbon cable connects
internal
DTE
RS-449 RS-449
or
either
DTE
shown
in Figure
is
View
be
the clock
that supplied
W2
which
jumper
field
together the
causing applique
SCTE/TT
of
lines
SCTE/TT
interface returns
to this
and
the factory
default
is
DTB
the device does not return
If
DCE
the
causes
applique
SCTEITT
A-li
returns transmit clock
on long cables
is
It important
SCTE/TT
to
accept
DCE
RS-449
the
applique
the 26-pin connector
to
DCE
DCE
The RS-449
applique
A-li
MCI
SCI card
from
card or the
the
transmit data
selects the
see the transmit
to to
expect
interface cable
the
with data
along to
its
recommended
the
it is setting
SCTEITT
clock on
use the outgoing clock
to
SCTE/TT
on This
designed
is
DCE
device connected
that the
The
clock
avoid
for
serial