Fan Tray Modules (FTMs)
AXP1620 Shelf Description
AXP1620 Installation and Use (6806800E23E)
53
2.7
Fan Tray Modules (FTMs)
The AXP1620 supports 2 fan trays in a push/pull configuration. Each fan tray contains 6 dual
counter rotating fans. The lower fan tray is accessible from the front of the chassis and contains
the replaceable air filter. The upper fan tray is located in the rear of the chassis.
The FTM has a ejector handle which signals the IPM Sentry software for hot swap. If your
system is not running high-availability software, behavior of the LED may be indeterminate. The
face plate of the upper and lower FTMs has the following indicators:
Figure 2-5
Hub Slot Connectivity
-4
8V
_A
SAM B
SAM A
HA[7:0],
LOGIC_GND,
SHELF_GND,
Metallic, Ring
Zone 1
Zone 2
PEM B
PEM A
-4
8
V
_
B
Other Hub
Bas
e C
han
nel
Fab
ric
Ch
ann
el
Update Channel
IP
M
B
_A
IPM
B_
B
SAM
ATCA Blade
Slot 1
Backplane
Ba
se
C
ha
nn
el
Fa
br
ic
C
ha
nn
el
ATCA Blade
Slot 16
Upda
te Cha
nnel
Bas
e C
han
nel
SAM
Table 2-7 FTM LED Status Indicators
FTM LED
LED Color
State/Condition
In-Service (IS)
Green
Off: no service
Blink: FTM activating
Glow Steady: service available
Out-of-Service (OOS) and Failure
Red (default)
Off: service available
Blink: Deactivation requested
Glow Steady: no service
Hot Swap (H/S)
Blue
Off: FTM is not ready to be removed
Blink: Deactivation requested
Glow Steady: FTM is ready to remove
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