Technical data for fan unit
Overview
The usage of a fan unit (CC848949657) is recommended, if sufficient air flow for cooling
the 1645 AMC unit cannot be guaranteed. A fan unit provides sufficient air flow to cool
the unit in a thermally hostile environment. Proper cooling is ensured as long as one fan is
still working. The fan unit has no air filter.
Specifications
The following table lists the specifications of the fan unit:
Table 3-2
Technical specifications (fan unit)
Size (H × W × D)
69 mm [2.716"] × 47 mm [1.850"] × 242 mm [9.527"]
ominal voltage
48 VDC
Operating voltage range
36 to 60 VDC
Air flow
> 1.44 m
3
/min
Static air pressure
70 Pa
ominal power
10.8 W
Operating temp. range
–20 ºC ... +70 ºC
Relative humidity
10 ... 95 % (non condensing)
Absolute humidity
1 ... 29 g/m
3
Expected life time
7 years
Fuses F1 and F2, marked on
circuit board of the Fan unit
0.5 A, 125 V, fast
Layout
A fan unit has a power and an alarm interface.
Mechanical installation
1645 AMC installation
Technical data for fan unit
...................................................................................................................................................................................................................................
...................................................................................................................................................................................................................................
3-8
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
365-313-103R8.0
Issue 2
July 2009