ThinkPad S540 - Page 20

2SIMcardslot(onsomemodels)
YourcomputermighthaveaSubscriberIdentificationModule(SIM)cardslot.Dependingonthemodel,
aSIMcardmightbeinstalledinyourcomputer.
3Comboaudioconnector
Connectheadphonesoraheadsetthathasa3.5-mm(0.14-inch)4-poleplugtothecomboaudioconnector
tolistentothesoundfromthecomputer.
Notes:
•Ifyouareusingaheadsetwithafunctionswitch,forexample,aheadsetforamobiledigitaldevice,do
notpressthisswitchwhileusingtheheadset.Ifyoupressit,theheadsetmicrophonewillbedisabled,
andthemicrophonesonthecomputerwillbeenabledinstead.
•Thecomboaudioconnectordoesnotsupportaconventionalmicrophone.Formoreinformation,see
“Usingaudiofeatures”onpage38
.
4USB3.0connector
TheUniversalSerialBus(USB)3.0connectorisusedforconnectingdevicescompatiblewithaUSB
interface,suchasaUSBprinteroradigitalcamera.
Attention:WhenyouattachaUSBcabletothisconnector,ensurethattheUSBmarkisfacingupward.
Otherwisetheconnectormightbedamaged.
5HDMIconnector
Yourcomputersupportsthehighdefinitionmultimediainterface(HDMI),adigitalaudioandvideointerface
thatcanconnectacompatibledigitalaudiodeviceorvideomonitor,suchasaDVDplayeroradigital
television(DTV).
Note:IfyouconnectthecomputertoasupportedThinkPadOneLinkDock,usetheHMDIconnectoron
thedock,nottheoneonthecomputer.
6Ethernetconnector
Connectyourcomputertoalocalareanetwork(LAN)withtheEthernetconnector.
DANGER
Toavoidtheriskofelectricalshock,donotconnectthetelephonecabletotheEthernetconnector.
YoucanonlyconnectanEthernetcabletothisconnector.
Twoindicators,totheupperrightandleftoftheconnector,showthestatusofthenetworkconnection.
WhenyourcomputerconnectstoaLANandasessionwiththenetworkisavailable,theupperleftindicator
issolidgreen.Whiledataisbeingtransmitted,theupperrightindicatorblinksyellow.
Note:IfyouconnectthecomputertoasupportedThinkPadOneLinkDock,usetheEthernetconnectoron
thedocktoconnecttoaLAN,nottheoneonthecomputer.
4UserGuide