Features, Specifications, Bladecenter – IBM BladeCenter T Type 8720 User Manual
Page 15: Type, Unit
Features
and
specifications
for
the
BladeCenter
T
Type
8720
unit
The
following
table
provides
a
summary
of
the
features
and
specifications
of
the
BladeCenter
T
Type
8720
unit.
Table
1.
BladeCenter
T
Type
8720
features
and
specifications
Media
tray
(on
front):
v
DVD/CD-RW
drive:
slim
IDE
v
Two
Universal
Serial
Bus
(USB)
v2.0
full
speed
ports
v
System-status
panel
Module
bays
(on
front):
v
Eight
hot-swap
blade
bays
v
Four
hot-swap
power-module
bays
v
Two
hot-swap
management
module
bays
Module
bays
(on
rear):
v
Four
hot-swap
I/O
module
bays
v
Four
hot-swap
blower
bays
v
One
hot-swap
KVM
(keyboard,
video,
mouse)
module
v
One
hot-swap
LAN
module
Power
modules:
v
Standard:
Two
1300-watt
or
greater
hot-swap
-48
V
dc
(-40
to
-60
V
dc)
power
modules
–
Power
modules
1
and
2
supply
power
to:
-
Blade
bays
1
through
4
-
Management
modules
1
and
2
-
I/O
modules
1
and
2
-
Media
tray
-
All
KVM,
LAN,
and
alarm
interfaces
-
All
four
blower
modules
–
Power
modules
1
and
2
provide
redundancy
to
each
other
v
Maximum:
Four
1300-watt
or
greater
hot-swap
-48
V
dc
(-40
to
-60
V
dc)
power
modules
–
Power
modules
3
and
4
supply
power
to:
-
Blade
bays
5
through
8
-
I/O
modules
3
and
4
–
Power
modules
3
and
4
provide
redundancy
to
each
other
–
Blowers
are
powered
by
all
four
power
modules
LAN
module:
v
Two
10/100
Mb
Ethernet
remote
management
connections
v
One
DSUB
15P
alarm
connector
KVM
module:
v
Video
port
(analog)
v
PS/2
keyboard
port
v
PS/2
mouse
port
v
System-status
panel
I/O
modules:
v
Standard:
None
v
Maximum:
Four
–
Two
hot-swap
1
Gb
Ethernet
four-port
switch
modules
–
Two
hot-swap
switch
modules
of
another
network-communication
standard,
such
as
Fibre
Channel
Management
module:
v
Standard:
One
hot-swap
management
module
providing
system-management
functions
for
the
BladeCenter
T
unit
v
Maximum:
Two
hot-swap
management
modules
(one
active,
one
redundant)
Redundant
cooling:
Four
variable-speed
hot-swap
blowers
Front
bezel
with
changeable
filter
Upgradeable
microcode:
v
management
module
firmware
v
I/O-module
firmware
(not
all
I/O
module
types)
v
Blade
server
service
processor
firmware
(BIOS,
service
processor)
Size
(8
U):
v
Height:
349.25
mm
(13.75
in.
or
8
U)
v
Depth:
508
mm
(20
in.)
from
front
of
chassis
to
rear
I/O
connector
plane
Maximum
depth:
600
mm
(23.62
in.)
including
bezel,
handles,
and
cable
bend
radius.
v
Width:
442
mm
(17.4
in.)
v
Weight:
–
Fully
configured
with
modules
and
blade
servers:
Approx.
100.2
kg
(221
lb)
–
Fully
configured
without
blade
servers:
Approx.
61.7
kg
(136
lb)
Security
features:
v
Login
password
for
remote
connection
v
Lightweight
Directory
Access
Protocol
(LDAP)
and
role
based
security
for
user
authentication
and
authorization
v
Secure
Shell
(SSH)
for
remote
command-line
interface
v
Secure
socket
layer
(SSL)
security
for
remote
Web
interface
access
Predictive
Failure
Analysis
®
(PFA)
alerts:
v
Blowers
v
Blade-dependent
features
v
Power
supplies
Declared
acoustical
noise
emission
levels
for
normal
operations:
v
Sound-power
levels
(upper-limit):
7.8
bels
v
Sound-pressure
levels
(average),
for
four
one-meter
bystander
positions:
63
dBA
The
noise
emission
levels
stated
are
the
declared
upper
limit
sound-power
levels,
in
bels,
for
a
random
sample
of
machines.
All
measurements
made
in
accordance
with
ISO
7779
and
reported
in
conformance
with
ISO
9296.
Environment:
v
Air
temperature:
–
Altitude:
-60
to
1800
m
(-197
ft
to
6000
ft)
-
BladeCenter
T
on:
5°
to
40°C
(41°
to
104°F)
-
BladeCenter
T
on
(short
term):
-5°
to
55°C
(23°
to
131°F)
–
Altitude:
1800
m
to
4000
m
(6000
ft
to
13000
ft)
-
BladeCenter
T
on:
5°
to
30°C
(41°
to
86°F)
-
BladeCenter
T
on
(short
term):
-5°
to
45°C
(23°
to
113°F)
–
System
unit
off:
uncontrolled
v
Rate
of
temperature
change:
30°C/hour
(54°F/hour)
v
Humidity:
–
BladeCenter
T
on:
5%
to
85%
–
BladeCenter
T
on
(short
term):
5%
to
90%
not
to
exceed
0.024
water/kg
of
dry
air
–
BladeCenter
T
off:
uncontrolled
Electrical
input:
v
dc
power
v
Input
voltage:
-48
V
dc
(-38
V
dc
to
-75
V
dc)
v
Input
current:
–
Chassis:
70
amp
maximum
–
Single
power-supply
feed:
70
amp
maximum
v
Input
connector
type:
Two
(2)
four
post
DC
terminals,
rated
at
70
amps
each.
Heat
output:
v
Input
kilovolt-amperes
(kVA)
approx.
–
Minimum
configuration:
0.2
kVA
–
Maximum
configuration:
3.7
kVA
v
BTU
output
–
Ship
configuration:
673
Btu/hour
(197
watts)
–
Full
configuration:
12640
Btu/hour
(3707
watts)
Chapter
1.
General
information
5