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Thank you for purchasing Micronet’s p roduct. 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 da i s y-chain port.
The SP508C/SP508D hub provide an ideal solution for 100
Mbps Fa st 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:
One Micronet SP508C/SP508D
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One DC power adapter (SP508C)
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One 100-240V AC power cord (SP508D)
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User’s Guide
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The SP508C/SP508D provi des a f riendl y desig n th at s im plif ies
installation and network troubleshooting. The figures below
show th e f ront pan el of SP508C /SP508D.
SP508C:
SP5 08C Etherfast 100 M bps Hub
SP508D:
63 83;'#(WK HU )DVW#4330ESV#+XE
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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)
Collision
(COL)
Port
Partition
(PAR)
Port
Link/Activity
(LINK/ACT)
Green
Orange ON: Collision happens.
Red ON: Indicates port has been
Green/
Blinking
ON: Unit is recei vi ng power
OFF: Power is disconnected, no
power received
OFF: No collision
partitioned due to an abnormal
network condition , or due to too
many collision on the port
OFF: NO partition
Green: Indicates a valid link has
been established on this port
Blinkin g: receiving or
Utilization Green
Orange
Red
transmitting data
OFF: No valid link has been
established on this port
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 re quirements,
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 easil y monitored through panel indicators to
assist the network manager in identifying problems. This
section describes common problems you may encounter and
possible solutions.
Symptom:P ower indicator does not light up (green) after
power on.
Cause: Defective power outlet, power cord/power adapter,
or internal power supply.
Solutio n: Check the p ower out l et 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 i ndicator 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
Number of hubs chained
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Transmission Technique
Topology
Access Method
Standards Conformance
100 meters maximum cable
length for unshielded twistedpair (UTP) category 5 cable
or STP cable.
2 max for 100BASE-TX.
Base band
Tree
CSMA/CD, 100Mbps
IEEE 802.3u 100BASE-TX,
Media Suppo rt ed
Interfaces
Hub-to-Workstation
Distance
Indicator Panel
Power Consumption
Class II Ethernet Rep eat er Hub
Unshielded twisted-pair,
shielded twisted-pair
8 RJ-45 station ports, 1 RJ-45
daisy-chain (MDI) port
100 meters maximum using
category 5 UTP or STP cable
LEDs for Power(G),
Collision(O), and per-po rt
Partition(R) ,
Link(G)/Activity(Blinking),
Utilization (GGGGOR)
12 Watts max.
Dimensions (WxDxH)
SP508C:
197mm x 120mm x 35mm
SP508D:
250mm x 116mm x 36mm
Power System
Temperature
Humidity
Certification
Safety
SP508C:
15VDC 800mA
SP508D:
100-120 VAC, or 220-240
VAC
0 to 40(Standard
Operating)
10% to 90% (Noncondensing)
FCC Class A, CISPR 2 2
Class A
CSA/NRTL
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