Lanberg RS Series Quick Installation Manual page 13

Quick Installation Guide
Rack type PoE+ switches
Devices connected to the PoE ports cannot communicate with each other except Uplink ports: check if the
•
toggle switch is set to a position other than „VLAN". If not, toggle it to the „Normal" position.
• Connected products can communicate with each other even though the „VLAN" function is active: check if
there are devices connected to the Uplink ports, which redirect all traffic to all other ports. In this case, you
must use managed switches with the appropriate features to restrict transmission.
The PoE ports with the highest numbering are switched off or switched off and on (run loop effect):
•
1) When end devices that exceed the PoE budget are connected to the lowest numbering ports: this is normal
switch behavior. If, for example, port 1 exceeds the PoE budget, the highest port will be turned off. The
situation will stabilize when a load of port 1 will not exceed the PoE budget.
2) When end-devices that exceed the PoE budget are connected to the highest numbering ports: connect
essential devices intended to operate 24/7 to the lowest ports to maintain continuity of operation, as
described in point 1. Otherwise, the same device that causes the PoE budget to be exceeded and intended to
operate continuously will be continuously turned off and on (run loop effect).
• Other: Verify if all the connected devices are in Full-Duplex mode and if the cable is min. UTP Cat.5e, ≤ 100m.
If you cannot fix the issues stated above by yourself or others that have not been mentioned occur, please contact your
dealer for clarification and possible service.
E-mail: support@lanberg.eu
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