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FAN module with air filter
Only using FAN module without filter, if using SFP modules extended temperature and the
environment is extremely clean of impurities in the air. In all other cases it should be used the
air filter.
Periodically check the condition of air filters and replace if necessary.
This procedure increases the lifetime of the DM4610, FAN, PSU and SFP modules and if
necessary.
3.4.
INSTALLING THE PSU MODULE
The PSU120 module is a power supply used to power the whole DM4610. This unit is also involved in the
control of the fans. For power redundancy operation, two of them must be installed.
Available models are: PSU 120 AC and PSU 120 DC.
It is possible to use the two available PSU models operating in redundant way.
When using two different models at the same time careful not to reverse the connectors of the
power supply circuit (PSU1 and PSU2), located at the rear of the equipment.
3.4.1.
I
NSERTING THE
PSU
M
ODULE
The PSU 120 module is responsible for powering the DM4610, as such, must be the first to be installed in the
equipment. These modules must be installed in the position of the DM4610 used exclusively for the power
supply, as shown below.
Installing the DM4610 – PSU 120
The process for insertion must follow the steps below, in this order:
