Switch Interface UP even no cable connected

Hi,

I have a problem with a Switch (s5720 series)

The interfaces are UP even no cable connected.

I checked if the interface loopback was configured on this interfaces, but no configuration was done:

[HUAWEI-GigabitEthernet0/0/25]dis this interface

GigabitEthernet0/0/25 current state : UP

Line protocol current state : UP

Description:

Switch Port, Link-type : access(negotiated),

PVID :    1, TPID : 8100(Hex), The Maximum Frame Length is 9216

IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 1c20-dbb3-7b10

Last physical up time   : 2022-02-23 12:20

Last physical down time : 2022-02-23 12:20

Current system time: 2022-02-23 12:20

Port Mode: COMMON COPPER

Speed : 1000,   Loopback: NONE

Duplex: FULL,   Negotiation: ENABLE

Mdi   : AUTO,   Flow-control: DISABLE

Last 300 seconds input rate 0 bits/sec, 0 packets/sec

Last 300 seconds output rate 0 bits/sec, 0 packets/sec

Input peak rate 0 bits/sec, Record time: -

Output peak rate 0 bits/sec, Record time: -

Follows the pictures:

someone can help me?

Thanks