EtherHub-5st User’s Guide
4
Hub’s RJ-45 Pin Assignments
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
Pin
MDI-X Assignment
(port 1~5)
MDI-Assignment
(Daisy-Chain Port)
1 Input Receive Data + Output transmit Data +
2 Input Receive Data - Output transmit Data -
3 Output transmit Data + Input Receive Data +
6 Output transmit Data - Input Receive Data -
4,5,7,8 Not Used Not Used
