Huawei Fiber SFP Switch S1720-28GWR-4P
Short Description:
| 1 | |
| Mode switching button NOTE: Press this button to change the mode of service port indicators: When you press this button once, the service port indicators change to the speed mode and show the speed of each service port. When you press this button again, the service port indicators restore to the default mode and show the connection status of each service port. If you do not press this button within 45 seconds, the service port indicators restore to the default mode. In this case, the SPED indicator is off. | |
| 2 | Twenty-four 10/100/1000BASE-T ports |
| 3 | |
| Four 1000BASE-X Ethernet ports Applicable modules: GE optical module GE-CWDM optical module GE-DWDM optical module GE copper transceiver module GPON optical module (applicable in V200R012C00 and later versions) NOTE: If a port uses a GPON optical module, other 1000BASE-X optical ports cannot be used. | |
| 4 | Reset button NOTICE: To restore the factory settings of a switch, hold down the Reset button for at least 6 seconds. This operation will not reset the switch. To reset a switch, press the Reset button. Resetting the switch will cause service interruption. Exercise caution when you press the Reset button. |
| 5 | |
| Ground screw NOTE: The ground cable is not delivered with the switch. | |
| 6 | Jack reserved for AC power cable locking strap NOTE: The AC power cable locking strap is not delivered with the switch. |
| 7 | |
| AC power socket NOTE: It is used with an AC power cable. | |
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