Cisco 7000 Series Hardware Installation And Maintenance page 171

HSSI Connector
Signals
HSS
Sgnas
Connector
Two types of cables
HSSI
HIP
connect
to
HSS
Cable
Interface
HSSI
The
DSU
HSSI
the
HSSI
for
connector
Caution
HSSI
operation
Table
Signal
SG
Signal
RT
Receive
CA
DCE
RD Receive
LC
Loopback
ST Send
SG
Signal
DTE
TA
TT
Terminal Timing
LA
Loopback
SD-Send
LB
Loopback
SG-Signal
Ancillary
SG
Signal
Ancillary
SG
Signal
Router
Cisco 7010 Hardware
A-b Installation
available
for
are
DSU
port with an external
two collocated routers
interface cable
Product
The 25
cable twisted
comprises
cable similar SCSI-il cable
to
is
cable the following
interface See
HIP
the
Although connector
more
cable
is
specification
stringent
cable used
SCSI-il
if is
Cable
A-li FISSI Interface
Signals
Name
Ground
Timing
Available
Data Reserved
Circuit
Timing
Ground
Available
Circuit
Data
Circuit
Ground
DCE
to
Ground
DCE
from
Ground
DCE
DTE
DSU
is side side
is
and Maintenance
HSSI
HIP
use with the
the
and HSSI
and
network
back back
to
Number CAB-HSI1
connects
and
50-pin SCSI-Il-type
pairs
not identical
it is
Caution Table
HSSI
and
the cable
interface
SCSI-Il
than
that for
HSSI
instead of an interface
No
Side
Pin
Direction
End
Router
10
11
12
13
1418
19
2024
25
interface cable used connect
to
modem
which
allows
null
cable
HIP port with external
the an
end
each
Although
plug at
SCSI-TI
cannot
substitute
you
A-il
for
the
lists pin
signals
format
are similar SCSI-il
to
We
cannot
guarantee
proper
cable
No
Pin Side
DSU
End
26
27
28
29
30
31
32
33
34
35
36
37
38
3943
44
4549
50
the
you
cable
the
the