26
MACH 4002
Release 1.0 10/05
If required, the fan plug-in unit can be replaced. It may be replaced by an
electrician without turning off the device. Depending on the ambient tempe-
rature the MACH 3000 can be operated up to one or two minutes with one
dissasembled fan.
U
Disassembly of M4-AIR
V
Loosen the two screws in the front panel of the fan plug-in unit
M4-AIR.
Caution:
After a device is switched off, fan blades continue rotating for
a number of seconds. Do not reach into the rotating fan!
V
Pull out the fan plug-in unit a few centimeters out and wait until the fan
comes to a halt before removing it completely.
U
Assembly of M4-AIR
V
Disassemble the fan plug-in unit, which is to be replaced, as described
above.
V
Slide the new fan plug-in unit into the chassis along the subracks abo-
ve and below as far as it will go.
V
Make sure that there is a good connection to – the multipoint plug of
the plug-in fan unit – the female multipoint connector of the system
bus.
V
Screw – the two knurled screws in the front panel of the plug-in fan unit
– to the frame of the chassis.
2.2
Displays
After applying the operating voltage, the software starts and initializes itself.
The device then performs a selftest. Various LEDs light up in the process.
The process lasts approximately 60 seconds.
1
LS DA
2
3
M4-8TP-RJ45
LS DA
LS D
P
P1
P2
P3
P4
RM
RL1
RL2
FAN
RUN
L/D
FDX
1000
AN
TP/FO
RING
PORT STBY
LED
TEST
2
1
LED
SLOT.PORT
SELECT
LED
MACH 4002 48+4G
Summary of Contents for MACH 4002 48+4G
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