Specifications:
•Industrystandards: Complies with IEEE 802.3, 10BASET standard, FCC Class A, CE
Mark.
•Interface: 16stationportsforclients,servers,orotherhubs.Adesignated
Uplinkportallowscascadingtoanotherhub.
•Uplinkport: RequiresUTPcable(Category3,4, or 5). Segment length canbeup
to100meters.Whencascadingusingthisport,themaximumsegment
lengthis5meters.
•Powersupply Internallyauto-sensingfrom90VACto250VAC.Powerconsump-
tion is 50 W maximum.
•Environment: Operatingtemperature:0°Cto50°C;(Storagetemperature:-20°Cto
70°C);Operatinghumidity:10%to80%RH;(Storagehumidity:5%to
91%RH).
[RH=RelativeHumidity].
•Physicaldimensions: 107 × 482 × 44.4 mm [L (depth) × W × H]; 1 RU rack-mountable
•Weight: 3 kg. (6.5 lb.)
•Safety: LVD certified.
LEDIndicators
The QSC
QE 16/0
Ethernet hub uses front panel LED indicators to display its operating
status: power on, link & activity status, and collision. The LEDs can function as useful
troubleshooting aids.
Troubleshooting
Thetable belowlists theLED indicators of the
QE16/0
,what theyshould displayin normal
operation,andwhatmightcauseanabnormalindication.
LEDIndicator Normalindication Whatittellsyou
Power(green) On If it’s
not
on:
1.)Make surethe AC power cord isproperly
insertedintothehubandtheACoutlet.
2.) Make sure the power switch is on.
Link/Activity (green) Onorflashing Ifthe LED glowsgreen steadily, it indicatesthat the
portdetectsthe10BASETnetworkcarriersignal.If
the LED flashes, it indicates network activity—i.e.,
theportistransmittingorreceivingdata.
Collision (red) Off Ifthe LED flashes,it indicates that2 or more
networknodeshavetriedtoaccessthenetwork
simultaneously.Occasionaloccurrencesarenormal
andwillnotaffectnetworkperformance.IftheLED
flashesrepeatedlyorcontinuously,oneormore
nodesmaybemalfunctioning,ortheremaybeother
devices utilizing the network heavily.
