Control Features; 2-Y2B And 4002-Y4B Rear Panel; Power Supply And Fan Tray Labels For - IBM 4002-Y2A Installation And User Manual

Figure 5. 4002-Y2B and 4002-Y4B rear panel
Figure 6. 4002-Y2A, Y4A, and Y2C and Y4C rear panels
CAUTION:
For the 4002-Y2A, Y4A, Y2C, and Y4C devices, be sure that the airflow direction
of the power supply unit matches that of the installed resilient quad-fan tray.
The power supplies and fan trays for the Y2A and Y4A models are labeled with
an arrow with an "E", power supplies and fan trays for the Y2C and Y4C models
are labeled with an arrow with an "I" as shown in Table 2.

Control features

Each device front panel includes the following control features:
v Serial management interface (the DB9 port labeled Console)
v Out-of-band 10/100/1000 MbE RJ45 management interface
Table 2. Power supply and fan tray labels for 4002-Y2A,Y4A, Y2C, and Y4C devices
Devices
4002-Y2A and 4002-Y4A
4002-Y2C and 4002-Y4C
Label on required power
supply
4002-Y2A and Y4A power
supply airflow label
ATTENTION
Power supply and
fan FRU airflow
E
must be the
same to prevent
overheating.
AIRFLOW
4002-Y2C and Y4C power
supply airflow label
ATTENTION
Power supply and
fan FRU airflow
must be the
same to prevent
overheating.
AIRFLOW
Label on required fan
tray
4002-Y2A and Y4A fan
tray airflow label
E
AIRFLOW
4002-Y2C and Y4C fan
tray airflow label
AIRFLOW
Chapter 1. Product overview
3