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
