Startup and functions
6874_en_16
PHOENIX CONTACT
3-25
Features of PoE mode
–
Up to twelve PoE interface modules with a total of 24 ports can be operated at the same
time in a MMS.
–
Configuration is still possible if the interface module is not plugged in or the
48 V supply is not connected.
–
PoE management and PoE information are only available if the interface module is
plugged in and there is a connected 48 V supply.
–
The following management functions are available:
- Display error states for each port and communicate via the alarm contact
(yes/no)
- Connect/disconnect voltage for each port
- Switch current limitation on or off for loads classified as Class 1 devices
–
Send Traps when the PoE status changes
–
The following diagnostic information is displayed:
- No error
- Surge voltage/undervoltage
- Thermal error
- Overload
- Disconnected load (the current consumption at this port is less than 10 mA, the supply
voltage is disconnected by the PoE module)
- No 48 V supply
- No PoE interface module detected at this port
- No hardware support due to the system bus
- Detected class of a connected termination device (Class 0 to Class 4)
- Output voltage and output current
3.3.9.1
Default upon delivery
When the interface modules are inserted, the auto negotiation and auto crossing functions
are activated. Link monitoring for the twisted pair ports is not activated.
3.3.9.2
Functions
–
Auto negotiation
Auto negotiation is a method whereby the switch automatically detects the operating
parameters for the connected network and sets the corresponding parameters
(10 Mbps or 100 Mbps data transmission rate and half or full duplex transmission
mode) for its RJ45 ports. Automatic port setting eliminates the need for manual
intervention by the user. The auto negotiation function can be activated/deactivated via
the web interface.
PoE management and PoE information are only available if the 48 V supply is connected
to the relevant PoE interface module. The ports can be used as standard RJ45 ports if
there is no connected supply.
Hot plugging
When inserting and removing interface modules, you do
not
have to switch off the supply
voltage. The interface modules are detected automatically and logged to the network
management.
If an interface module is inserted in a MMS that has already been parameterized, the
existing configuration remains active.
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