Lenovo ThinkPad E555 - Page 59

Frontview
1Security-lockslot:Toprotectyourdockfromtheft,youcanpurchaseasecuritycablelock,suchas
aKensington-stylecablelock,thatfitsthissecurity-lockslottolockyourdocktoadesk,table,orother
non-permanentfixture.
2USB3.0connector:UsedtoconnectdevicesthatarecompatiblewithUSB3.0andUSB2.0.
3AlwaysOnUSBconnector:Bydefault,theAlwaysOnUSBconnectorenablesyoutochargesome
mobiledigitaldevicesandsmartphonesnomatterwhenyourcomputerisinsleepmode,hibernationmode,
orisoff.Formoreinformation,refertothedocumentationthatcomeswiththedock.
4Comboaudioconnector:Usedtoconnectheadphonesoraheadsetthathasa3.5-mm(0.14-inch),
4-poleplug.
5System-statusindicator:TheindicatorontheilluminatedThinkPadlogofunctionsthesameastheones
onthecomputer.Fordetails,see“Statusindicators”onpage6.
6Powerbutton:Thepowerbuttononthedockfunctionsthesameastheoneonthecomputer.
Rearview
Chapter3.Enhancingyourcomputer43