MicroNet SP508C User manual

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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