
Optical Module Gigabit SFP Single-mode Single-fiber SC Interface 3KM 1.25G+10G Compatible with Huawei/H3C/TP-Link/Ruijie/ZTE 1 Pair SZ-SCQ03AB*1
To troubleshoot communication issues, check the switch port status using web management or Telnet management.
Enter privileged mode in the terminal.

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| Item | Detail |
|---|---|
| Command | interface xGigabitEthernet0/0/1 |
| Command | undo shutdown (or undoshutdown) to open the port. |
After enabling, verify the port status again; absence of *down indicates the port is active.
Once the port is active, connect the module and use normally.
| Interface | PHY Status | Auto-Neg | Duplex | Bandwidth | Input Util | Output Util | Trunk |
|-------------------------|---------------------|----------|--------|-----------|------------|-------------|-------|
| MEtho/0/1 | down (administratively down) | enable | half | 10M | 0% | 0% | |
| xGigabitEthernet0/0/1 | down (administratively down) | disable | full | 10G | 0% | 0% | |
| xGigabitEthernet0/0/2 | down (administratively down) | disable | full | 10G | 0% | 0% | |
| xGigabitEthernet0/0/3 | down (administratively down) | disable | full | 10G | 0% | 0% | |

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