MicroNet SP508C Manuale utente

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Thank you for purchasing Micronet’s product. This user’s

guide contains the information necessary to install and

operate the Micronet SP508C/SP508D -- 8-port 10/100

Mbps Fast Ethernet Hub.

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The Micronet SP508C/SP508D provides 8 RJ-45 ports for

100 Mbps Fast Ethernet connections. Traffic passing

between attached devices is confined within the internal

repeater bus. The SP508C/SP508D can be used as stand

alone hubs or uplink to two units through daisy-chain port.

The SP508C/SP508D hub provide an ideal solution for 100

Mbps Fast Ethernet networks.,

Moreover, the smart design built into the display panel

provides a friendly interface that simplifies installation and

network troubleshooting.

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Your package includes the following:

zOne Micronet SP508C/SP508D

zOne DC power adapter (SP508C)

zOne 100-240V AC power cord (SP508D)

zUser’s Guide

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The SP508C/SP508D provides a friendly design that simplifies

installation and network troubleshooting. The figures below

show the front panel of SP508C/SP508D.

SP508C:

SP508D:

SP508C Etherfast 100 Mbps Hub

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The SP508C/SP508D provides LED indicators for

monitoring various network conditions. A glance on the

front panel will allow you to instantly monitor the status of

each station port plus the overall affecting the hub.

LED Color Indication

Power

(PWR) Green ON: Unit is receiving power

OFF: Power is disconnected, no

power received

Collision

(COL) Orange ON: Collision happens.

OFF: No collision

Port

Partition

(PAR)

Red ON: Indicates port has been

partitioned due to an abnormal

network condition , or due to too

many collision on the port

OFF: NO partition

Port

Link/Activity

(LINK/ACT)

Green/

Blinking Green: Indicates a valid link has

been established on this port

Blinking: receiving or

transmitting data

OFF: No valid link has been

established on this port

Utilization Green

Orange

Red

Green for 1%, 3%, 6%, and 13%

utilization

Orange for 25% utilization

Red for over 50% utilization

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The hub can be placed directly on your desktop. Before you

start installing the hub, make sure you can provide the right

operating environment, including power requirements,

sufficient physical space, and proximity to other network

devices that are to be connected. Verify the following

installation requirements:

•Power requirements: SP508C: 15VDC 800mA. SP508D:

100-240 VAC (10%) at 50 to 60 Hz (3Hz).

•The hub should be located in a cool dry place, with at

least 10 cm. (4 in.) of space at the front and back for

ventilation.

•Place the hub out of direct sunlight, and away from heat

sources or areas with a high amount of electromagnetic

interference.

The hub has 8 RJ-45 station ports, the port 8 can serve as

MDI daisy-chain port via the RJ-45 port.

1. Select an appropriate location.

2. Connect your workstation to any available RJ-45 port on

the hub using an unshielded or shielded twisted-pair

cable. Make sure the port 8 MDI-X/MDI position

,Do not plug a phone jack connector into any RJ-45 port.

This may damage the hub. Use only twisted-pair cables

with RJ-45 connectors that conform with FCC standards.

Notes: 1. Make sure each twisted-pair cable does not exceed 100 meters

(328 feet).

2. The Category 5 cables are used for all Fast Ethernet

connections.

3. The port 8 can serve as daisy-chain port (via the MDI

RJ-45 port). Use normal RJ45 cable. Plug one end of

the cable into MDI port 8 of the hub and plug the other

end of the cable into any port of the other switch.

Note: When switch MDI-X/MDI set to MDI, the MDI port 8

of the unit cannot be used as a station port.

4. Connect it to an electrical outlet to power on the hub.

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The hub can be easily monitored through panel indicators to

assist the network manager in identifying problems. This

section describes common problems you may encounter and

possible solutions.

Symptom:Power indicator does not light up (green) after

power on.

Cause: Defective power outlet, power cord/power adapter,

or internal power supply.

Solution: Check the power outlet by plugging in another

device that is functioning properly. Check the

power cord/power adapter with another device. If

these measures fail to resolve the problem, call

for dealer assistance.

Symptom:Link indicator does not light up after making a

connection.

Cause: Network interface, network cable, or hub port is

defective.

Solution: Verify that the hub and attached device are

powered on. Be sure the cable is plugged into

both the hub and corresponding device. Verify

that the proper cable type is used and its length

does not exceed specified limits. Check the

adapter on the attached device and cable

connections for possible defects. Replace the

defective adapter or cable if necessary.

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Hub-to-workstation

connection 100 meters maximum cable

length for unshielded twisted-

pair (UTP) category 5 cable

or STP cable.

Number of hubs chained 2 max for 100BASE-TX.

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Transmission Technique Base band

Topology Tree

Access Method CSMA/CD, 100Mbps

Standards Conformance IEEE 802.3u 100BASE-TX,

Class II Ethernet Repeater Hub

Media Supported Unshielded twisted-pair,

shielded twisted-pair

Interfaces 8 RJ-45 station ports, 1 RJ-45

daisy-chain (MDI) port

Hub-to-Workstation

Distance 100 meters maximum using

category 5 UTP or STP cable

Indicator Panel LEDs for Power(G),

Collision(O), and per-port

Partition(R) ,

Link(G)/Activity(Blinking),

Utilization (GGGGOR)

Power Consumption 12 Watts max.

Dimensions (WxDxH) SP508C:

197mm x 120mm x 35mm

SP508D:

250mm x 116mm x 36mm

Power System SP508C:

15VDC 800mA

SP508D:

100-120 VAC, or 220-240

VAC

Temperature 0to 40(Standard

Operating)

Humidity 10% to 90% (Non-

condensing)

Certification FCC Class A, CISPR 22

Class A

Safety CSA/NRTL

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