Chapter
2.
System
design
overview
The
M12
and
M14
switches
are
designed
with
a
number
of
features
that
ensure
that
these
switches
are
highly
available,
reliable,
and
serviceable.
These
products
have
a
number
of
modular
design
features,
allowing
for
ease
and
speed
of
maintenance,
as
well
as
future
expansion.
Some
of
the
basic
features
are
shown
in
Figure
1
and
Figure
2
on
page
4,
and
are
described
in
sections
below.
RS-232
RS-232
Link
10/100 Mb/s
Link
10/100 Mb/s
!
!
!
!
!
!
!
!
!
!
Slot
1
2
3
4
5
6
7
8
9
10
Exhaust Vent
Power
Supply 4
Power
Supply 3
Power
Supply 2
Power
Supply 1
AC Power
Switch
AC Power
Switch
AC Power
Connector
AC Power
Connector
Grounding
Strap
Connector
CP Card
16-Port Card
(Provide Power to Power Supply 1 and 3)
(Provide Power to Power Supply 2 and 4)
SJ000634
Figure
1.
Port
side
of
the
2109
Model
M12
©
Copyright
IBM
Corp.
2004
3
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