EtherHub-5st User’s Guide

Hub’s RJ-45 Pin Assignments

Pin

1

2

3

6

4,5,7,8

MDI-X Assignment

(port 1~5)

Input Receive Data +

Input Receive Data -

Output transmit Data +

Output transmit Data -

Not Used

MDI-Assignment

(Daisy-Chain Port)

Output transmit Data +

Output transmit Data -

Input Receive Data +

Input Receive Data -

Not Used

Schematics for both straight and crossover twisted-pair cable are shown below. (Note that crossover cable is only required if you cascade hubs via the RJ-45 station ports; i.e., the 5MDI Daisy-Chain port is not used.)

 

Straight-Through

 

 

 

Crossover

 

(Hub)

 

(Adapter)

(Hub)

 

 

 

(Hub)

1

IRD+

 

1

OTD+

1

IRD+

 

 

 

1 IRD+

 

 

 

2

IRD-

 

2

OTD-

2

IRD-

 

 

 

2 IRD-

 

 

 

3

OTD+

 

3

IRD+

3

OTD+

 

 

 

3 OTD+

 

 

 

 

 

6

OTD-

 

6

IRD-

6

OTD-

 

 

 

6 OTD-

 

 

 

Specifications

Transmission Technique

: Baseband

Topology

: Tree or Star

Access Method

: CSMA/CD, 10 Mbps

Standard Conformance

: IEEE 802.3 10BASE-T

Media Supported

: Category 3,4,5 twisted-pair cable

Interfaces

: 5 RJ-45 station ports, 1 RJ-45 daisy-chain port

Hub-to-Workstation Distance

: 100m max.

DimensionsDimensions

: 120mm x 96mm x 28mm (4.72" x 3.78" x 1.10")

System Power

: Requirements - 8VAC, 50/60 Hz, 5 watts

Power Adapter

: Optional external power adapter - 8 VAC, 8VA

 

for100V/120V/220-230V/240V

Temperature

: 0°C to 50°C (Standard Operating)

Humidity

: 5% to 95% (Noncondensing)

Certification

: CE Mark

Emissions

: FCC Class B, VCCI Class 2, CISPR Class B

Immunity

: IEC 801-2,3,4, EN60555-2 Class D, EN60555-3

Safety

: UL, CSA, TÜV/GS

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Accton Technology EH2045S quick start Hub’s RJ-45 Pin Assignments, Specifications

EH2045S specifications

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The EH2045S incorporates advanced Layer 2 and Layer 3 features, ensuring efficient data handling and routing capabilities. It supports essential protocols like VLAN tagging, link aggregation, and Spanning Tree Protocol, which enhance network efficiency and reliability. Layer 3 functionality allows for IP routing, enabling effective inter-VLAN communication, which is crucial for larger networks.

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The switch supports multiple management options, including SNMP, Web GUI, and a command-line interface (CLI), making it easier for network administrators to monitor and manage the switch’s performance. This rich set of management features allows for customization and optimization based on specific network requirements.

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