ABB NE840 - Fibre Optic Handling; Maintenance; Cleaning of the Optical Connectors

Section 2 Interface specications
Once you have logged in, you can use the extensive integrated help function
describing all conguration options. Two common task when conguring a new
switch is to assign appropriate IP settings, and to change the password of the admin
account.
The password can be up to 64 characters long, and should consist of printable
ASCII characters (ASCII 33-126); Space is not a valid password character.
For additional conguration information, refer to System 800xA 6.0 Network
Conguration (3BSE034463-600) manual.
Fibre Optic Handling
Fibre optic equipment needs special treatment. It is very sensitive to dust and
dirt. If the bre will be disconnected from the unit the protective hood on the
transmitter/receiver must be connected. The protective hood must be kept on during
transportation. The bre optic cable must also be handle the same way.
If these recommendations are not followed the warranty might be jeopardized.
Maintenance
No maintenance is required, as long as the unit is used as intended within the
specied conditions.
Cleaning of the Optical Connectors
In the event of contamination, the optical connectors should only be cleaned by the
use of recommended cleaning uids and correct cleaning equipment.
Recommended cleaning uids:
• Methyl-, ethyl-, isopropyl- or isobutyl-alcohol
• Hexane
• Naphtha
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