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4 Power LED
The Power LED indicate the status of the unit's internal
power as follows:
Status
Meaning
Off
Unit power rails faulty
Green
Normal operation; all power rails functional
Yellow
Unit shutdown due to excessive temperature. Refer to "Prob-
lem Solving on
page
I
NSTALLING THE
Positioning the Switch
When deciding where to position the Baseline
10/100/1000 Switch 6-Port ensure:
T It is accessible and cables can be connected easily.
T Cabling is away from sources of electrical noise.
These include lift shafts, microwave ovens, and air
conditioning units. Electromagnetic fields can inter-
fere with the signals on copper cabling and intro-
duce errors, therefore slowing down your network.
T Water or moisture cannot enter the case of the unit.
T Air flow around the unit and through the vents in the
side of the case is not restricted (3Com recommend
that you provide a minimum of 25 mm (1 in.) clear-
ance).
T The air is as free from dust as possible.
T Temperature operating limits are not likely to be
exceeded. It is recommended that the unit is installed
in a clean, air conditioned environment.
It is always good practice to wear an anti-static wrist
strap when installing network equipment, connected to
a ground point. If one is not available, try to keep in
contact with a grounded rack and avoid touching the
unit's ports and connectors, if possible. Static discharge
can cause reliability problems in your equipment.
Rack Mounting or Free Standing
This unit can be mounted in a 19-inch equipment rack
using the Mounting Kit. Refer to
Instructions"
on
page
not place objects on top of the unit or stack.
The unit is supplied with four self-adhesive rubber pads.
If the unit is to be part of a free standing stack, apply
the pads to each marked corner area on the underside
of the unit. Place the unit on top of the lower unit,
ensuring that the pads locate with the recesses of the
lower unit.
You do not need to apply the pads if you intend to rack
mount the unit.
CAUTION: If installing the Baseline 10/100/1000 Switch
6-Port in a free standing stack of different size
!
SuperStack II or SuperStack 3 units, the smaller units
must be installed above the larger ones. Do not build a
free standing stack of more than six units.
4.
S
WITCH
"Mounting Kit
4. It can also be free standing. Do
Rear Panel Connections
5 Power Supply
The Baseline 10/100/1000 Switch 6-Port automatically
adjusts to the supply voltage. Only use the power cord
that is supplied with the unit.
6 Socket for Redundant Power System (RPS)
Connect a 3Com SuperStack 3 Advanced RPS (3C16070,
3C16071, 3C16071A, or 3C16071B) only to this socket.
An appropriate power module and cable is required. The
connector on the Baseline 10/100/1000 Switch 6-Port
requires a Type 2A module. For details, follow the
installation instructions in the guides that accompany the
Advanced RPS and the power module.
Connecting to a Network Device
Follow these guidelines to connect a device to the
Baseline 10/100/1000 Switch 6-Port:
T Use Category 5 unshielded or shielded (screened) 100
Ohm TP cable (or Category 3 cable for a 10 Mbps
connection).
T The maximum length of cable for each connection is
100m (328ft).
T Connect one end of the cable to an RJ-45 port on
the Baseline 10/100/1000 Switch 6-Port, and the
other end to the appropriate RJ-45 port on the con-
necting device.
Power Supply
Power problems can be the cause of serious failures and
downtime in your network. Ensure that the power input
to your system is clean and free from sags and surges to
avoid unforeseen network outages. 3Com recommends
that you install power conditioning, especially in areas
prone to black outs, power dips and electrical storms.
The unit is intended to be grounded. Ensure it is
connected to earth ground during normal use. Installing
proper grounding helps to avoid damage from lightning
and power surges.
Powering Up
Use the following sequence to power up the Baseline
10/100/1000 Switch 6-Port:
1 Check the network connections and cables.
2 Connect the power supply cable to the appropriate
power socket on the rear panel of the unit; see refer-
ence 5 or 6 in "Features of the Baseline 10/100/1000
Switch".
3 Connect the plug to the power supply outlet socket and
switch on the power supply at the socket. If you are
using the Advanced Redundant Power System, ensure it
is powered on.
When the switch is powered on, the Power LED lights
green. If it does not, see reference 4 in "Features of the
Baseline 10/100/1000 Switch".
3
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