IBM TotalStorage 2109 M12, Installation And Service Manual

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v
Four power supplies that are hot swappable and have built-in fans
v Two ac power connectors. Each ac power connector has an on or off ac power
switch
For information about how to operate the components of the M12, see Chapter 3,
“Operating the M12,” on page 15.
Blower assembly side of chassis
Figure 13 on page 4 shows the blower assembly side of the M12, which provides
access to the following components:
v A WWN card and bezel. The WWN card and bezel provide light-emitting diodes
(LEDs) for monitoring the switch from the blower assembly side and store WWN
and IP address information, switch name, and serial number.
v
Three blower assemblies. Each blower assembly is individually hot swappable.
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 12. Port side of the 2109 Model M12
Chapter 1. Introduction
3