Function and Device Design
6
251379 / 972160310080
2017-06-02·BA00·III·en·02
Unmanaged switch FXopis/TX SC for Zone 2
Series 9721/13-42-..
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Maintenance, repair, commissioning
• Before commissioning, make sure that the device is not damaged.
• Work on the device, such as installation, maintenance, overhaul, repair, may only be
carried out by appropriately authorised and trained personnel.
• Perform only maintenance work or repair described in these operating instructions.
• Do not insert or disconnect the RJ45 plug connectors and the auxiliary power during
operation in potentially explosive areas.
• Always clean the device with a damp cloth to avoid electrostatic charge.
3.3
Modifications and Alterations
4
Function and Device Design
DANGER
Explosion hazard due to modifications and alterations to the device!
Non-compliance results in severe or fatal injuries.
• Do not modify or alter the device.
No liability or warranty for damage resulting from modifications and
alterations.
DANGER
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• Use the device only in accordance with the operating conditions
described in these operating instructions.
• Use the device only for the intended purpose specified in these
operating instructions.
