Ascent Communication Technology AE208 Series User manual

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage1of114
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AE208Series
P2PGateway
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UserGuide
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RevisionB

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage2of114
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ACTAE208Series8PortP2PEthernetCPEGateway
UserGuide
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ACTDocumentNumber:AE208CPEUGRevisionA
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Copyright©2011AscentCommunicationTechnologyLimited. 
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Allrightsreserved.ReproductioninanymannerwhatsoeverwithouttheexpresswrittenpermissionofAscent
CommunicationTechnologyisstrictlyforbidden.
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Thisdocumentisproducedtoassistprofessionalandproperlytrainedpersonnelwithinstallationandmaintenance
issuesfortheproduct.Thecapabilities,systemrequirementsand/orcompatibilitywiththird‐partyproductsdescribed
hereinaresubjecttochangewithoutnotice.
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Formoreinformation,contactACT:[e-mail]
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RevisionHistory
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RevisionDateReasonforChange
A08/01/2012 InitialRelease
B10/0
2
/2012 SectionUpdate
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SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage3of114
TableofContents
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0Preface........................................................................................................................6
0.1Audience..............................................................................................................................6
0.2Conventions.........................................................................................................................6
1DeviceIntroduction......................................................................................................7
1.1BriefIntroduction.................................................................................................................7
1.2Features...............................................................................................................................7
1.3SystemSpecifications...........................................................................................................8
1.3.1SoftwareOverview....................................................................................................8
1.3.2HardwareOverview.................................................................................................10
1.4LEDPanel...........................................................................................................................11
1.5FiberTray..........................................................................................................................12
1.6ConnectorPanel.................................................................................................................12
1.6.1100Base‐FXOpticalPort..........................................................................................12
1.6.210BASE‐T/100BASE‐TXPorts.....................................................................................13
1.6.3POTSPorts...............................................................................................................13
1.6.4Multi‐FunctionResetButton....................................................................................13
2LogintoAE208Gateway............................................................................................15
3SystemInformation....................................................................................................17
4AdvancedConfiguration.............................................................................................18
5CATVConfigurations..................................................................................................19
6PortManagement......................................................................................................20
6.1PortConfiguration.............................................................................................................20
6.2PortBandwidth..................................................................................................................21
7VLANConfigurations..................................................................................................22
7.1AdvancedVLANModeConfiguration.................................................................................22
7.2Port‐basedVLAN................................................................................................................22
7.3802.1QVLANConfiguration...............................................................................................23
7.3.1802.1QVLAN...........................................................................................................23
7.3.2802.1QConfiguration..............................................................................................25
7.3.3802.1QPort.............................................................................................................26
8QoSConfiguration......................................................................................................28
8.1QoSConfiguration..............................................................................................................28
8.1.1GeneralQoSConfiguration......................................................................................28
8.1.2PortQoSConfiguration............................................................................................28
8.2SchedulingMechanism......................................................................................................29
8.3TransmitQueues................................................................................................................30
8.4DSCPMap..........................................................................................................................31
9ForwardingConfigurations........................................................................................32
9.1UnicastMACAddress.........................................................................................................32
9.1.1MACAddressConfiguration.....................................................................................32
9.1.2DynamicUnicastMAC..............................................................................................33
9.2MulticastMACAddress......................................................................................................33
9.3IGMPSnoopingConfiguration............................................................................................35
9.3.1IGMPSnooping........................................................................................................36
9.3.2RoutePort...............................................................................................................37
9.3.3MiscConfiguration..................................................................................................38

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10Security....................................................................................................................40
10.1ManagementSecurity......................................................................................................40
10.2PortAuthentication..........................................................................................................41
10.2.1802.1xPort............................................................................................................41
10.2.2802.1xMisc...........................................................................................................43
10.3MACAuthentication.........................................................................................................44
10.3.1PortConfiguration.................................................................................................44
10.3.2MiscConfiguration................................................................................................45
10.3.3AuthenticateInformation......................................................................................46
10.4StormControl...................................................................................................................46
11Wireless...................................................................................................................47
11.1BasicConfiguration..........................................................................................................47
11.1.1Basic......................................................................................................................47
11.1.2WMM....................................................................................................................49
11.2SecurityConfiguration......................................................................................................51
11.2.1Security.................................................................................................................51
11.2.2ACL........................................................................................................................59
11.2.3WPS......................................................................................................................60
11.3WDS................................................................................................................................62
11.4APSCAN...........................................................................................................................65
11.4.1APScan.................................................................................................................65
11.4.2APChannel............................................................................................................66
11.5Information.....................................................................................................................67
11.5.1StationList............................................................................................................67
11.5.2Statistics................................................................................................................67
12VoIP.........................................................................................................................69
12.1PhoneSettings.................................................................................................................70
12.1.1FXSPortSettings....................................................................................................70
12.1.2DialPlanSettings...................................................................................................71
12.1.3PortFunctionSettings............................................................................................73
12.2SIPSettings......................................................................................................................75
12.2.1ServerDomain.......................................................................................................75
12.2.2CodecSettings.......................................................................................................77
12.2.3OtherSettings........................................................................................................77
12.3NetworkSettings.............................................................................................................78
13Statistics..................................................................................................................80
13.1Portstatus.......................................................................................................................80
13.2Portstatistics...................................................................................................................80
13.3VLANList.........................................................................................................................81
13.4MACAddressTable..........................................................................................................81
13.5IGMPSnoopingGroup......................................................................................................82
14SpanningTree..........................................................................................................83
14.1STP..................................................................................................................................84
14.1.1BasicSTP...............................................................................................................85
14.1.2STPInformation.....................................................................................................85
14.1.3STPPortAttributes................................................................................................86
14.2RSTP................................................................................................................................87
15SNMPManager.......................................................................................................89
15.1SNMPAccount.................................................................................................................90
15.1.1SNMPCommunity..................................................................................................90
15.1.2SNMPUser............................................................................................................91
15.2SNMPTrap.......................................................................................................................92
15.2.1GlobalTrap............................................................................................................92

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15.2.2TrapHostIP...........................................................................................................92
15.2.3TrapFilter..............................................................................................................93
16RMON......................................................................................................................95
16.1Statistics..........................................................................................................................95
16.2History.............................................................................................................................97
16.2.1HistoryControl......................................................................................................97
16.2.2HistoryList............................................................................................................98
16.3Alarm..............................................................................................................................99
16.4EventConfiguration.......................................................................................................100
16.4.1Event...................................................................................................................100
16.4.2EventLog.............................................................................................................101
17Administration.......................................................................................................102
17.1IPConfiguration.............................................................................................................102
17.2SNTP..............................................................................................................................102
17.3SMTP.............................................................................................................................103
17.4E‐mailAlarm..................................................................................................................104
17.4.1SystemEvent.......................................................................................................104
17.4.2PortEvent............................................................................................................105
17.5SystemLogs...................................................................................................................106
17.6PingDiagnosis...............................................................................................................107
17.7Account..........................................................................................................................108
17.8TFTPServices.................................................................................................................109
17.8.1TFTPFirmware.....................................................................................................109
17.8.2BackupConfiguration..........................................................................................110
17.8.3RestoreConfiguration..........................................................................................111
17.9Reboot...........................................................................................................................111
17.10Reset............................................................................................................................112
17.11SaveConfiguration.......................................................................................................112
18Logout...................................................................................................................113

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage6of114
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0Preface
0.1Audience
Thismanualisintendedfornetworkinstallersandsystemadministratorswhoareresponsiblefor
installing,configuringormaintainingnetworks.Itassumesthatyouunderstandthe
transmissionandmanagementprotocolsusedonyournetwork.
Thismanualalsoassumespriorknowledgeandunderstandingoftheterminology,theories,
practicesandspecificknowledgeaboutthenetworkingdevices,protocols,andinterfacesthat
compriseyournetwork.Youshouldhaveworkingexperiencesofthegraphicaluserinterfaces
(GUIs),CommandLineInterface(CLI),SimpleNetworkManagementProtocol(SNMP)and
Webbrowsers.
0.2Conventions
GUIConventionDescription
BoldfaceKeywordsonwebmanagementpageareinBoldface
ItalicTabpagenameisinitalic
<>Buttononwebmanagementpageisin<>
Symbols
Caution
Meansreaderbecareful.Improperoperationmaycausedataloss
ordamagetoequipment.
NoteMeansacomplementarydescription.

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1DeviceIntroduction
1.1BriefIntroduction
AE208P2PSwitchseriesONU(OpticalNetworkUnit)supportdata,VoIP(VoiceoverIP)andCATV
“tripleplay”servicesintheP2P(pointtopoint)basedFTTH(FibertotheHome)networkwith
highperformanceandeffectivecost.Theintegratedlayer2Ethernetswitchfunctionsupports
back‐pressureinhalfduplexmodeand802.3xflowcontrolinfullduplexmode,andintelligent
addressrecognitionalgorithmwhichallowstheAE208Gatewaytorecognizeupto8096
differentMACaddressesandenablesfilteringandforwardingatfullwirespeed.
AE208GatewayprovidesawidetransparentbandwidthtosupportCATVanalogchannelsora
combinationofanaloganddigitalchannelsincludingHDTVbroadcast.Ithasanintegrated
VoIPfunctiontosupportSIP‐basedtelephonyservices.AnditsupportsIGMPSnooping,
reducingthebandwidthoccupiedbyIPTVandVoD.
1.2Features
One100Base‐FXor1000Base‐XsinglemodefibernetworkportwithCATVoverlay.Eight/Four
10BASE‐T/100Base‐TXHalf/Fullduplexlayer2switchLANportswithatableupto8KMAC
addresses.
Store&forwardarchitectureandperformsforwardingandfilteringatnon‐blockingfullwire
speedwithautoagingfunction.
802.3xflowcontrolforfullduplexandabackpressurefunctionforhalfduplexoperationwith
bandwidthcontrolfunction
Port‐basedor802.1QVLANofupto64activeVLANgroupswithfull12‐bitVLANID
802.1p,port‐base,DiffServQoSpackageclassificationwith4priorityqueues
IGMPSnooping
By‐portegressratecontrol
Web‐basedmanagementinterfacewithbothDHCPandstaticfixed‐IP
CommandLineInterface(CLI)
SNMPv1/v2c/v3
Telnetmanagement
LoginwiththeMD5encryptautomatically
SNMPtrapfilterandthresholdsetting
TwolevelsofUserAuthorization:userandadmin
Broadcast/MulticastStormSuppression
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[Exceptfor8port1000Mbpsversion]
Twenty‐eight32‐bitcountersandtwo64‐bitcountersforperport
CompatiblewithwirelessIEEE802.11b,IEEE802.11gandIEEE802.11n

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Provides300Mbpstransmissionrate
WirelessClientList
Supports64/128‐bitWEP,WPA,WPA2,WPA1WPA2,WPA‐PSK,WPA2PSK,WPAPSKWPA2PSK
and802.1Xencryption
SupportsHiddenSSIDandMultipleSSID
SupportsWDSLazymode,BridgemodeandRepeatermode
SupportsWPS
SupportsWMM(Wi‐FiMultimedia)
SupportsAPDiscovery

[OnlyformodelswithCATVmodule]
Wide40MHz~860MHzbandwidthsupportsCATVanalogchannelsoracombinationof
analoganddigitalchannelsincludingHDTVbroadcast
ExcellentRFfrequencyanddistortioncharacteristicsforhighlinearity
Internalproprietaryimpedancematchingcircuitrywithone75Ωcoaxial‐cableoutputport
Highsensitivityof75or88dBuVRFoutputat–3dBmopticalinput
Single‐modefiber,highreturnlossopticalinterfacewithreceptacleWiderangeofoptical
inputpowerof‐10~0dBm
Digitaldiagnosticmonitoringinterfaceforopticalinputlevel,supplyvoltage,temperatureand
RFoutputlevel
MonitoringonCATVReceivertemperature,supplyvoltage,inputopticalpowerandoutputRF
levelandsendCATValarmtrap

[Onlyfor1000MbpsuplinkPoEmodel]
CompatiblewithIEEE802.3afstandard
SupportsPoEpowerupto15.4WforeachPoEport
SupportsPoEIEEE802.3afcompliantPDs,suchasIPphones,wirelessaccesspointandIP
surveillanceequipment.
1.3SystemSpecifications
1.3.1SoftwareOverview
NetworkProtocol
IP/TCP/UDP
IP/ICMP/ARP/RARP
TFTPClient/DHCPClient
HTTPServer
IPAssignment
StaticIP
DHCP

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage9of114
Security
IEEE802.1X
HTTP1.1basic/digestauthenticationforWebsetup
MD5forSIPauthentication
QoS
Portbased
802.1p
DiffServ
802.1p&DiffServ
Configuration
WebBrowser
Telnet
SNMP
Wireless
(Notyetavailablefor1000Mbps
uplinkversion)
IEEE802.11b/g/n
300Mbpstransmissionrate
2.400~2.483GHzfrequencyband
64/128‐bitWEP,WPA,WPA2,WPA1WPA2,WPA‐PSK,WPA2PSK,
WPAPSKWPA2PSKand802.1Xencryption
WPSregistrationbutton
HiddenSSIDandMultipleSSID
TxPoweradjustment
WirelessClientAccessControl
WDSLazyMode,BridgeModeandRepeaterMode
WMM(Wi‐FiMultimedia)
APDiscovery
Codec
(OnlyforVoIPoption)
G.711:64kb/s(PCM)
G.723.1:6.3/5.3kb/s
G.726:16/24/32/40kb/s(ADPCM)
G.729A:8kb/s(CS‐ACELP)
G.729B:addsVAD&CNGtoG.729
GSM:13kb/s
VoiceQuality
(OnlyforVoIPoption)
Voiceactivitydetection
Comfortablenoisegenerator
Lineechocanceller
Packetlosscompensation
CallFunction
(OnlyforVoIPoption)
Callhold
Callwaiting
CallForwarding
CallerID
3‐wayconferencecalls

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage10of114
DTMFFunction
(OnlyforVoIPoption)
In‐bandDTMF
Out‐of‐bandDTMF
SIPinfo
CATV
MonitoringCATVstatus
CATVon/offControl
SendCATValarmtrap
PoE
(Onlyfor1000MbpsUplinkPoE)
IEEE802.3af(PoE)standard
Upto15.4WforeachPoEport
FirmwareUpgrade TFTP
1.3.2HardwareOverview
WANPortsSFP‐basedModule
CATVopticalpower:‐8to0dBm
LANPorts
Four/EightRJ‐45,AutomaticMDI/MDIXcrossoverfor
100BASE‐TXand10BASE‐Tports
IEEE802.3uAuto‐Negotiationsupportforautomaticspeedand
duplexselection
10BASE‐T/100BASE‐TXperformanceover100meters
TelephonePorts
(OnlyforVoIPoption)TwoRJ11FXSPOTSports
CATV

Connector:F‐type,75Ω
Frequency:40~860MHz
RFoutput>75dBuVor84dBuV@‐3dBm
CNR>50dB
CSO<‐65dBc
CTB<‐62dBc
PowerSupplyDC12V1.5Ausingexternaladaptor
PowerConsumption<6W(NotincludingPoE)
OperatingTemperature0Ԩ～+50Ԩ
StorageTemperature‐20Ԩ～+85Ԩ
Humidityat85°C5%～95%
Size268mmX213mmX56mmwithcover
263mmX183mmX53mmwithoutcover
Weight1.3Kg

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage11of114
1.4LEDPanel
AbouttheCATVportsandphoneports,pleaserefertothetableonthecoverofthismanual.
LEDpanelbehindthecoverof8portONUisshowninthefollowingfigure.

ThefollowingtableshowstheLEDpaneldescriptionsforAE208P2PSwitchSeries.
LEDNameLEDColorMeaning
CATV

ON
GreenMonitoredCATVopticalpowerisfrom–8dbm
to0dbm.
YellowMonitoredCATVopticalpowerisfrom‐10dBm
to‐8dBmorfrom‐0dBmto+2dBm
RedMonitoredCATVopticalpowerisbeyondthe
aboveranges.
OFFCATVisdisabled.
LAN1~4/
LAN1~8
Green(100M)
Linkandactivity:
ON=LANportisconnected,
OFF=LANisdisconnected,
Blinking=Datais
transmitting(sending/receiving)
Yellow(10M)
Linkandactivity:
ON=LANportisconnected,
OFF=LANportisdisconnected,
Blinking=transmittingdata(sending/receiving)
WANGreen
Linkandactivity:
ON=WANportisconnected,
OFF=WANisdisconnected,
Blinking=transmittingdata(sending/receiving)
Phone1Green
Phone1registerandhookstatus:
ON=registered,OFF=unregistered,blink=
off‐hook

Phone2Green
Phone2registerandhookstatus:
ON=registered,OFF=unregistered,blink=
off‐hook

SYSRed
Yellow
RedON——poweron
YellowON——start‐upissuccessful.

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage12of114
1.5FiberTray
AE208P2PSwitchseriesONUusesstandardfibertrayshownasfollows.Thisfibertrayshallbe
installedfirstly.

1.6ConnectorPanel
Theconnector‐panelincludesanF‐typeCATVRFoutputport,RJ4510BASE‐T/100BASE‐TXports,a
multi‐functionresetbuttonandapowerreceptacleinfrontofthedeviceanda100Base‐FX
opticalportattheback.AbouttheCATVportsandPhoneports,pleasereferthetableonthe
coverofthismanual.

1.6.1100Base‐FXOpticalPort
AE208P2PSwitchseriesWANportusesstandardSC/APCorFC/APCportconnectortoattach
9/125micronsinglemodefiberopticcablewith1310nmTX/1490nmRXdataand1550nm
CATVoverlaythefigurebelowshowsthelocationoftheconnectors.

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage13of114

1.6.210BASE‐T/100BASE‐TXPorts
AE208P2PSwitchseriesLANportsuse10/100Base‐TXRJ‐45(8‐pinmodular)portconnectors.The
10BASE‐T/100BASE‐TXportconnectorsareconfiguredasMDI‐X(media‐dependent
interface‐crossover).Theseportsconnectoverstraightcablestothenetworkinterface
controller(NIC)cardinanodeorserver,similartoaconventionalEthernetrepeaterhub.If
youareconnectingittoanEthernethuborEthernetswitch,youneedacrossovercableunless
anMDIconnectionexistsontheassociatedportoftheattacheddevice.
AE208P2PSwitchseriesLANportsuseautosenseportsthataredesignedtooperateat10Mb/s
orat100Mb/s,dependingontheconnectingdevice.TheseportssupporttheIEEE802.3u
autonegotiationstandard,whichmeansthatwhenaportisconnectedtoanotherdevicethat
alsosupportstheIEEE802.3ustandard;thetwodevicesnegotiateforthebestspeedand
duplexmode.
The10/100Base‐TXRJ‐45portsalsosupporthalf‐andfull‐duplexmodeoperation.

Note:
UseonlyCategory5copperunshieldedtwistedpair(UTP)cableconnectionswhenconnecting
10/100Base‐TXports.
1.6.3POTSPorts
AE208GatewayusesanRJ‐11(2‐pinmodular)portconnectorforPOTSconnectionandprovides
twoTXSPOTSports.
1.6.4Multi‐FunctionResetButton

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage14of114
Themulti‐functionresetbuttonperformsthefollowingfunctions:
Pressfor(orlessthan)3secondduringthenormaloperationtochangethedeviceinto
staticfixedIPmode;





Pressandholdformorethan3secondsduringnormaloperationtoreloadthefactory
defaultsettings.
Static fixed IP Mode Network Information:
IP Address: 192.168.0.253
Subnet: 255.255.255.0

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage15of114

2LogintoAE208Gateway
ToaccessAE208Gatewaywebmanagementfunction,connectyourPCtoanyLANportofAE208
Gateway.Openaweb‐browserandtypeinthedefaultaddresshttp://192.168.0.253address
fieldofthebrowser,andthenpresstheEnterkey.


Note:
TologintotheONU,theIPaddressofyourPCshouldbesetinthesamesubnetaddressesofthe
Switch.TheIPaddressis192.168.0.x("x"isanynumberfrom2to254),SubnetMaskis
255.255.255.0.AfteryouentertheWebconfigurationpage,youcanmodifythedeviceIP
addressaccordingtoyouneed.Formoredetails,pleasereferto17.1IPConfiguration.

Andthenaloginwindowwillappear,asshownfollows.EnterthedefaultUserNameand
Password.ThenclicktheLoginbuttonorpresstheEnterkey,sothatyoucanseethedevice
systeminformation.


Note:
Youcanclickbefore“Remembermypassword”,andthenyoudon’tneedtotypethepassword
nexttimewhenyoure‐login.

Therearetwoauthorizeduserlevels;thedefaultusernameandpasswordareshownasfollows:
Level UsernamePassword

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage16of114
usersuperuser123
adminmanager123
Andyoualsocanusethemulti‐functionresetbuttontochangeAE208P2PSwitchseriestostatic
fixedIPmode.Pressthemulti‐functionresetbuttonfor(orlessthan)3secondduringthe
normaloperationtochangetheAE208P2PSwitchseriesintostaticfixedIPmode(IPaddress:
192.168.0.253,SubnetMask:255.255.255.0).

Note:
Afterclicking<Apply>inthemanagementwebpages,allofthechangeswillbesaved
automatically.
Aftertesting,somesupportedbrowsersarelistedasfollows:
IE7.0orabove
Firefox3.5orabove
OperatingSystem:windowsXPorwindowsvista


SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage17of114
3SystemInformation
ItshowsthesysteminformationoftheONUasfollows.
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SystemnameandsystemaddresscanbechangedviaSNMPsoftwareforavailablenetwork
management.

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage18of114
4AdvancedConfiguration
Onthispage,youcanenableordisablethefollowingitems:IGMPSnooping,STPand802.1x
globally.

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage19of114
5CATVConfigurations
ThisfunctionisonlyfortheONUswithCATVoption.YoucancheckCATVstatusandchangeCATV
configuration.
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Ifthismodulesupportsthefunctionofmonitoring,OperatingTemperature,PowerSupplyVoltage,
CATVOpticalInput,andCATVRFOutputwillbeshownonthiswebpage.
IfCATVcontrolissetas“OFF”,theCATVmoduleispoweredoff.Ifsetas“ON”,CATVmoduleis
poweredon.

SolutionsProviderforFTTx,RFoGandHFCwww.ascentcomtec.comPage20of114
6PortManagement
6.1PortConfiguration
PortConfigurationpageisusedtosetuptheportparametersasshownfollows.
State:Ifsetas“Enabled”,thecorrespondingportwillallowtheEthernetpacketstopassnormally.
Ifsetas“Disabled”,anyEthernetpacketcannotpass.
Negotiation:Thefunctionprovidesamechanismforexchangingconfigurationinformation
betweentwoendsofalinksegment,andautomaticallyselectingthehighestperformance
modeofoperationsupportedbybothdevicesifitisenabled.
Speed&Duplex:
Speed:Allowstheusertochoose100Mbpsor10Mbpsmode.
Duplex:Allowstheusertochoosebetweenfullandhalfduplexmode.
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Note:ThespeedandduplexoftheWANportisfixedtobe1000MFull.
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FlowControl:Flowcontrolcaneliminateframelossby“blocking”trafficfromendstationor
segmentconnecteddirectlytoAE200whenitbuffersfully.Whenitisenabled,backpressure
isusedforhalf‐duplexoperationandIEEE802.3xforfull‐duplexoperation.(Avoidusingflow
controlonaportconnectedtoahubunlessitisactuallyrequiredtosolveaproblem.
Otherwisebackpressurejammingsignalsmaydegradetheoverallperformanceofthe
segmentattachedtothehub.)Theparameterallowsflowcontroltobeenabledordisabled.
Learning:ToenableordisablethefunctionoflearningMACaddressontheport.
MDI/MDIX:Selectthetypeofcables:MDI,MDIXorAuto.
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