Chapter 2 Hardware Description and Connection
ES1100 Series User’s Guide
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For ES1100- 16/ 24E, use t he ON / OFF sw it ch t o have t he Swit ch pow er on or off.
2.2 Front Panel
The fr ont panel of t he Swit ch includes t he aut o- negot iat ing 10 Base-T/ 100 Base-TX RJ- 45 port s and
t he LEDs.
2.2.1 RJ-45 Auto-negotiating Ports
The 10 Base-T/ 100 Base-TX RJ- 45 port s are aut o- negot iat ing and aut o- crossover.
An aut o- negot iat ing por t can det ect and adj ust t o t he opt im um Et hernet speed ( 10/ 100 Mpbs) and
duplex m ode ( full duplex or half duplex) of t he connect ed device.
An aut o- cr ossover ( aut o- MDI / MDI -X) por t aut om at ically w or ks w it h a st raight - t hrough or cr ossover
Et her net cable.
2.2.2 Front Panel Connections
You can use unshielded t wist ed pair ( UTP) or shielded t w ist ed- pair ( STP) Et her net cables for RJ- 45
por t s. The follow ing t able descr ibes t he t ypes of net wor k cable used for t he different connect ion
speeds.
You can use eit her cr ossover or st raight - t hr ough cables for all t he por t s.
Table 2 Net w ork Cable Types
SPEED
NETWORK CABLE TYPE
10 Mbps
Cat egor y 3, 4 or 5 UTP/ STP
100 Mbps
Cat egor y 5 UTP/ STP
