Cisco 7000 Series Hardware Installation And Maintenance page 246

LEDs
HIP
Four
processors
above
Figure
___
RT
normal
generated
RD
from
ST Send
DSU
During loopback
external
that
HIP
LEDs the indicate
on different
LED
the enabled
goes
HSSI
the see
port Figure
LEDs
HIP
B-li
Co
TimingWhen
Receive
this
operation signal
internally
DataWhen
on
Receive
DSU
the external
TimingWhen on
During normal
operation
this signal
is
ConnectedWhen
on indicates
DTE
DSU TA
and
HIP mode
the in
is loopback
HSSI
of the interface
states
HIP
on
indicate the
to that
is
B-i
indicate the following
HIP
on indicates the has detected
that
from
received the external
is
HIP
indicates
the has detected
that
HIP
indicates the
that
is transmitting
from
derived
this
signal is
generated
internally
normal
the
operation
CA
DCE
and
available
available
not connected the
is to
or
Interface
As
with the other interface
The
enabled four
for operation
RxC
During
signal
DSU
During loopback this
and able receive packets
is
to
TxC
the external
to
signal
RT
from
the the external
signal
HIP
connected
is
properly
When
are active off indicates
DSU
LED
Reading
LEDs
Processor
LEDs
is
signal
DSU
the
to
B-13
Indicators