Hssi Connector Signals - Cisco 7513 Hardware Installation And Maintenance Manual

HSSI Connector
Signals

HSSI Connector Signals

Two
types of cables
HSSI
HIP
to
you
Cable
HSSI
Interface
HSSI
The
DSU
HSSI
the
HSSI
for
connector
Caution
HSSI
the
operation
Table
Signal
SG
Signal
RT
Receive
CA DCE
RD
Receive
LC
Loopback
ST
Send
SO
Signal
TA DTE
TI
Terminal Timing
LA
Loopback
SD
Send
LB
Loopback
SG-Signal
Ancillary
SG
Signal
Ancillary
SG
Signal
Router
A-14 7513 Hardware
Cisco
are available
for
DSU
port with external
an
two
connect collocated routers
interface cable
Product
The 25
cable twisted
comprises
cable similar SCSI-TI
is to
interface cable the following
See
HIP
Although the connector
more
cable
specification
is
used
SCSI-TI cable
if
is
A-16
HSSI Cable
Interface
Name
Ground
Timing
Available
Data Reserved
Circuit
Timing
Ground
Available
Circuit
Data
Circuit
Ground
DCE
to
Ground
DCE
from
Ground
DCE
DTE
DSU
side
is is side
and Maintenance
Installation
HIP HSSI
use with the the
and
and HSSI
network
back back
to
Number CAB-HSI1
connects
and
50-pin SCSI-Il-type
pairs
not identical
is
cable it
you
A-16
Table
Caution
HSSI
and
the interface cable
SCSI-IT
than
that for
stringent
HSSI
instead of an interface
Signals
Side
Number
Pin
End
Direction1
Router
10
11
12
13
1418
19
2024
25
used
interface cable connect
to
modem
cable which
null allows
RIP
the port with external
an
end
each
at Although
plug
SCSI-TI
substitute
cannot
the pin signals for the
lists
are similar SCSI-TI format
to
We
cannot
guarantee proper
cable
Side
Number
Pin
DSU
End
26
27
28
29
30
31
32
33
34
35
36
37
38
3943
44
4549
50
the
cable