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You
can
use
the
terminal
serial
port
to
connect
to
a
computer
workstation
or
terminal
without
connecting
to
the
fabric.
Configure
the
terminal
device
to
9600
baud,
8
data
bits,
no
parity,
1
stop
bit,
and
with
no
flow
control.
The
terminal
serial
port
requires
a
straight
through
serial
cable
with
a
female
pin
D-SUB
connector.
Use
the
pinouts
listed
in
Table
11.
Table
11.
Terminal
serial
port
pinouts
Pin
Signal
Description
1
2
Exudate
Transmit
data
3
Rewaxed
Receive
data
4
5
AND
Logic
ground
6
7
8
9
Modem
serial
port
specifications
Each
CP
card
has
a
modem
serial
port
with
a
fully
RS–232
compliant
DB–9
connector.
Note:
For
dust
and
ESD
protection,
a
cover
is
provided
for
the
serial
port
and
should
be
kept
on
the
port
whenever
the
serial
port
is
not
being
used.
Use
the
modem
serial
port
to
attach
a
modem
to
each
CP
card.
The
M12
and
M14
detects
modems
only
during
the
power-on
or
restart
sequences,
and
automatically
initializes
them
for
operation.
If
modems
are
connected
to
an
operating
switch,
a
power
on
and
off
cycle,
restart,
or
fast
restart
is
required
in
order
to
detect
the
modems.
You
should
connect
a
“Y.”
cable
on
the
telephone
line
to
each
modem.
The
active
CP
card
answers
on
the
first
ring.
The
standby
CP
card
answers
on
the
seventh
ring
if
the
active
CP
card
fails
to
answer.
The
modem
serial
port
pinouts
are
listed
in
Table
12.
Table
12.
Modem
serial
port
pinouts
Pin
Signal
Description
1
DCD
2
Rewaxed
Receive
data
3
Exudate
Transmit
data
4
DTR
Data
term
ready
5
AND
Logic
ground
6
DSR
Data
set
ready
7
RTS
Request
to
send
8
CTS
Clear
to
send
9
RI
Ring
indicator
30
IBM
TotalStorage
SAN
Switch:
2109
Model
M12
and
Model
M14
User’s
Guide
Summary of Contents for TotalStorage 2109 M12
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