Palm Network Card ETHERNET HUB User Manual

KE-5T, KE-5TB,  
KE-8T, KE-9TB, KE-17TB  
PLASTIC-PALM  
10BASE-T ETHERNET HUB  
User’ s Guide  
 
Table of Contents  
INTRODUCTION............................................................................ 1  
PRODUCT FEATURES.....................................................................1  
THE FRONT PANEL OF PLASTIC-PALM HUBS......................2  
THE REAR PANEL OF PLASTIC-PALM HUBS........................3  
LED INDICATORS..........................................................................4  
REAR PANEL INDICATORS............................................................5  
Twisted-pair Jacks................................................................. 5  
Uplink Jack ............................................................................. 5  
Power Jack.............................................................................. 6  
INSTALLATION.............................................................................. 7  
INSTALLING THE HUB...................................................................7  
CONNECTING THE POWER ADAPTER..........................................7  
CABLES AND CONNECTORS.........................................................8  
CROSSOVER CABLES.....................................................................9  
SPECIFICATIONS.......................................................................10  
GENERAL......................................................................................10  
ENVIRONMENTAL AND PHYSICAL.............................................10  
P/N: 6012-0161110 Rev.01  
 
Introduction  
Thank you for choosing the PLASTIC-PALM 10BASE-T  
Ethernet Hub. The hub was designed and manufactured to give  
you years of trouble-free and reliable service.  
The hub is designed for plug-and-play installation and easy  
management. The hub provides an Uplink connection for your  
network expansion via a RJ-45 connector, making it easy to  
link two or more hubs together.  
The hub features LINK/RX LEDs to show the connection and  
receive status of each twisted pair port. PWR and COL  
indicators show the status of the hub as whole.  
Product Features  
ü
ü
Compliance to IEEE 802.3 10BASE-T/2 standard.  
Automatic paritioning function of each port to isolate  
network failure.  
ü
ü
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Ethernet connections support Category 3 or better  
twisted-pair cable.  
LED indicators for each twisted pair port for link and  
receive reporting diangnosis.  
Uplink jack for easy linking of two hubs to further expand  
the network.  
ü
ü
Compact design in palm size.  
The hubs housing made by Plastic materil.  
1
 
The Front Panel of PLASTIC-PALM HUBs  
5-port Ethernet Hub  
5-port Ethernet Hub with BNC port  
8-port Ethernet Hub  
9-port Ethernet Hub with BNC port  
2
 
17-port Ethernet Hub with BNC port  
The Rear Panel of PLASTIC-PALM HUBs  
5-port Ethernet Hub  
5-port Ethernet Hub with BNC port  
8-port Ethernet Hub  
3
 
9-port Ethernet Hub with BNC port  
17-port Ethernet Hub with BNC port  
LED Indicators  
Power (PWR):  
This indicator lights green when the hub  
is receiving power, otherwise, it is off.  
Collision (COL):  
This indicator indicates data collisions on  
the respective Ethernet segments of the  
hub. Whenever a collision is detected, the  
respective COL indicator will briefly  
blink amber.  
Link/Receive:  
(LINK/RX)  
This indicator green when the port is  
connected to a Ethernet station , If the  
4
 
station to which the hub is connected is  
powered off, or if there is a problem with  
the link, the LED will remain off. And the  
indicator blinking green when the data  
will be received to all other connected  
ports.  
BNC:  
This indicator blinking green when the  
data is transmitted.  
Rear Panel Indicators  
Twi st ed- pai r Jacks  
Use these jacks connect stations to the hub. These are MDI-X  
(Medium Dependent Interface, Cross-Wired) jacks, which  
means you can use ordinary stright-through twisted-pair cables  
to connect user mechines and servers to the hub through them.  
If you need to connect another device with an MDI-X jack,  
such as another hub or an Ethernet switch, you should use a  
crossver cable, or make the connection using the Uplink jack.  
Upl i nk Jack  
The Uplink jack is an MDI-II jack, which means you can  
connect the hub (or a hub stack) to a device with an MDI-X  
port using an ordinary straight-through cable, making a  
crossover cable unnecessary.  
Port1 and the Uplink port is really the same port, except thar  
their pinouts are different. Do not use bot h Port - 1 ( 1X) and  
the Upl i nk port at the same ti me.  
5
 
Power Jack  
For the External power adapter.  
6
 
Installation  
Installing the Hub  
The site where you install the hub may greatly affect  
its performance. When installing, consider the  
following pointers:  
Install the hub in a fairly cool and dry place, for  
the acceptable temperature and humidity operating  
ranges.  
Install the hub in a site free from strong  
electromagnetic field generators (such as motors),  
vibration, dust, and direct exposure to sunlight.  
Leave at least 10 cm of space at the front and rear of  
the hub for ventilation.  
Install the hub on a sturdy, level surface that can  
support its weight. When installing the hub on a  
level surface, attach the rubber feet to the bottom of  
each device. The rubber feet cushion the hub and  
protect the hub case from scratches.  
Connecting the Power Adapter  
Power is supplied to the Ethernet Hub through an AC  
power adapter.  
7
 
Cables and Connectors  
Cable characteristics: Category 3 or better  
unshielded twisted-pair or EIA/TIA-568 compliant,  
100-ohm shielded twisted-pair data cable with 0.4 to  
0.6 mm (22 to 26 AWG) wires in two or four twisted  
pairs (only two pairs--that is, four wires--are used  
for 10BASE-T).  
Maximum segment length: 100 meters  
Connectors: RJ-45  
Straight Twisted-Pair Cable Pinouts  
Contact  
MDI-X Signal  
RD+ (receive)  
RD- (receive)  
TD+ (transmit)  
Not used  
Not used  
TD- (transmit)  
Not used  
MDI-II Signal  
TD+ (transmit)  
TD- (transmit)  
RD+ (receive)  
Not used  
Not used  
RD- (receive)  
Not used  
1
2
3
4
5
6
7
8
Not used  
Not used  
8
 
Crossover Cables  
When making an uplink connection between one hub and  
another (or between a hub and a switch or bridge) using X -type  
jacks at both ends, you must use a crossover cable. In a  
crossover cable, two pairs of wires are switched at one end.  
Carry out the following steps to create a crossover twisted-pair  
cable:  
1. Leave one end of the cable as-is, with the wiring on the  
RJ-45 connector unchanged. The wiring needs to be  
modified at one end only.  
2. At the other end of the cable, connect wires 1 and 2 to  
contacts 3 and 6, respectively. Likewise, connect wires  
3 and 6 to contacts 1 and 2. Refer to the following  
diagram:  
9
 
Specifications  
General  
St andards:  
IEEE 802.3 10BASE-T Ethernet repeater, and  
ANSI X3T9.5 twisted-pair transceiver  
Topol ogy: Star  
Protocol : CSMA/CD  
Net work Dat a Transf er Rat e: Et hernet : 10Mbps  
Number of Port s : 4 x STP + 1 x BNC, 5 x STP, 8 x STP, 8 x  
STP + 1 x BNC, 16 x STP + 1 x BNC  
Net work Medi a : Category 3 or better UTP cable, maximum  
length 100 meters.  
Environmental and Physical  
Power Adapt er: 5, 8, 9-port: Output 7.5VDC/1A  
17-port: Output 7.5VDC/1.5A  
Dimensi ons:  
5,8,9-port: 176mm ´ 81.5mm ´ 31.3mm  
17-port: 176mm x 81.5mm x 45mm  
Operati ng Temperature: 0 to 40°C  
St orage Temperature: –20 to 70°C  
Hu midity: 5% to 90% (non-condensing)  
Emi ssi ons: FCC Class A, CE Mark Class A, VCCI  
10  
 

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