62Unknown-speed mode, unknown-duplex modeLink speed type is autonegotiation, link duplex type is autonegotiation• If the output includes "Media type is twisted pair, Port hardware type is 1000_BASE_T", itmeans that the interface is an RJ-45 Ethernet port. For example, the following output showsthat GigabitEthernet 2/0/0 is an RJ-45 Ethernet port.[Sysname] display interface GigabitEthernet 2/0/0GigabitEthernet2/0/0 current state: DOWN ( Administratively )IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 0000-fc00-7506Description: GigabitEthernet 2/0/0 InterfaceLoopback is not setMedia type is twisted pairPort hardware type is 1000_BASE_TUnknown-speed mode, unknown-duplex modeLink speed type is autonegotiation, link duplex type is autonegotiationConfiguring a combo interfaceStep Command Remarks1. Enter system view. system-view N/A2. Enter view of the SFP portor RJ-45 port of the combointerface.interface interface-typeinterface-number N/A3. Activate the RJ-45 Ethernetport or SFP port.combo enable { copper |fiber }Required.By default, the Ethernet port is active.Displaying transceiver module information and alarminginformationIntroduction to transceiver modulesTable 18 Commonly used transceiver modulesTransceiver moduletype Application scenariosWhether canbe an opticaltransceiverWhether can bean electricaltransceiverSFP (Small Form-factorPluggable)Generally used for 100M/1000MEthernet interfaces or POS155M/622M/2.5G interfacesYes YesXFP(10-Gigabit smallForm-factor Pluggable) Generally used for 10G interfaces Yes NoSFP+ Generally used for 10G interfaces Yes NoDisplaying transceiver module informationTo identify transceiver modules, you can use the following command to view the key parameters ofthe transceiver modules, including transceiver module type, connector type, central wavelength ofthe laser sent, transmission distance, and vendor name or name of the vendor who customizes thetransceiver modules.To display transceiver module information: