M-AIR2
M-AIR2
M-AIR2
M-AIR2
M-AIR2
M-AIR2
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M-AIR2

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HIRSCHMANN M-AIR2 is a monitored dual-fan plug-in for MACH 3002 and MACH 3005 industrial Ethernet chassis.
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Technical specifications for M-AIR2

  • Manufacturer:
    HIRSCHMANN
  • Part Number:
    M-AIR2
  • Product Family:
    HIRSCHMANN
  • Product Type:
    Redundant fan plug-in
  • Stock:
    1
  • Fan arrangement:
    Two redundant fans with monitoring unit
  • Compatible basic devices:
    MACH 3002 and MACH 3005
  • Operating voltage:
    48 VDC
  • Diagnostics:
    FAN 1 and FAN 2 LEDs
  • Operating temperature:
    0 to 50 °C
  • Storage/transport temperature:
    -20 to 80 °C
  • Relative humidity:
    10 to 90%, non-condensing
  • MTBF:
    13.6 years, Telcordia SR-332, Gb at 25 °C
  • Mounting:
    Plug-in device
  • Dimensions:
    4.8 × 21.0 × 34.5 cm
  • Weight:
    1.54 kg
  • Tariff Code:
    8414599099
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Chassis Matching Cooling Inspection Return to Service Application
  • Two redundant monitored cooling fans
  • Designed for MACH 3002 and MACH 3005 chassis
  • Separate FAN 1 and FAN 2 status indication

M-AIR2 restores the dedicated forced-air cooling path used by compatible MACH 3000 basic devices.

Its monitored dual-fan arrangement helps maintenance teams distinguish a cooling fault from a switching or communication problem.

Replacement planning should preserve the 943 678-001 identity, chassis compatibility, connector condition and unobstructed airflow path.

Availability, condition, price, and shipping time for M-AIR2 are confirmed during quotation.

HIRSCHMANN M-AIR2 Product Family and Support Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Confirm MACH 3002 or MACH 3005 basic-device identity
  • Compare plug-in connector and retaining arrangement
  • Keep order number 943 678-001 in the purchasing record
  • Remove dust or obstructions from the chassis air path
  • Check both fan rotors for free movement
  • Inspect the plug-in connector for heat or mechanical damage
  • Confirm normal FAN 1 and FAN 2 indication
  • Check that airflow is present through the intended path
  • Monitor chassis temperature after the network load is restored
  • MACH 3002 industrial Ethernet switch cooling
  • MACH 3005 industrial Ethernet switch cooling
  • Redundant monitored airflow restoration in MACH 3000 installations
Description
M-AIR2 is a plug-in cooling assembly containing two redundant fans and a monitoring unit for MACH 3002 and MACH 3005 basic devices.

The module operates from 48 VDC and reports fan condition through separate FAN 1 and FAN 2 indicators, allowing a failed cooling path to be identified without confusing it with a switch-port fault.

Before replacement, confirm the MACH chassis, isolate the equipment as required by the maintenance procedure, inspect the air path and connector, then verify both fan indications after startup.
Alternative Names
M-AIR2 HIRSCHMANN M-AIR2 M AIR2 M-AIR 2 943 678-001 943678001
Technical notes
HIRSCHMANN M-AIR2 requires MACH 3002 or MACH 3005 chassis matching, a 48 VDC supply, clear airflow, secure plug-in engagement and verification of both fan diagnostics.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which chassis accept HIRSCHMANN M-AIR2?
HIRSCHMANN M-AIR2 is documented for MACH 3002 and MACH 3005 basic devices; confirm the chassis label and installed airflow arrangement before ordering.
Does HIRSCHMANN M-AIR2 continue cooling after one fan fails?
HIRSCHMANN M-AIR2 contains two redundant fans, but the alarm must still be investigated promptly because redundancy has been reduced and cabinet temperature can rise.
What does a FAN LED fault mean on HIRSCHMANN M-AIR2?
A FAN 1 or FAN 2 indication on HIRSCHMANN M-AIR2 identifies the affected cooling path; also inspect blockage, connector seating and supply condition before condemning the module.
Can HIRSCHMANN M-AIR2 be inserted while the switch remains energized?
The public product sheet for HIRSCHMANN M-AIR2 does not authorize an uncontrolled live replacement; follow the MACH maintenance instructions and site isolation procedure.
What should be inspected before fitting HIRSCHMANN M-AIR2?
Before fitting HIRSCHMANN M-AIR2, check the plug-in connector, fan blades, air passages, retaining hardware and chassis area for contamination or mechanical obstruction.
Why is the complete order number important for HIRSCHMANN M-AIR2?
The 943 678-001 order number for HIRSCHMANN M-AIR2 distinguishes the monitored dual-fan plug-in from other MACH cooling accessories with similar mechanical forms.
How should HIRSCHMANN M-AIR2 be verified after installation?
After installing HIRSCHMANN M-AIR2, confirm both fans rotate freely, FAN 1 and FAN 2 diagnostics are normal, airflow is unobstructed and chassis temperature remains stable.