3Com 2126-G - Baseline Switch Manuale d'uso - Pagina 4
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M
OUNTING
The Switch is supplied with two mounting brackets and four
screws. These are used for rack-mounting the unit. When
mounting the unit, you should take note of the guidelines given
in "Positioning the Switch" on page 3.
Rack Mounting the Unit
The Switch is 1U high and will fit a standard 19-inch rack.
CAUTION: Disconnect all cables from the unit before
continuing. Remove the self-adhesive pads from the
underside of unit, if already fitted.
1 Place the unit the right way up on a hard, flat surface with
the front facing towards you.
2 Locate a mounting bracket over the mounting holes on one
side of the unit (refer to the figure following step 6).
3 Insert the two screws supplied in the mounting kit and fully
tighten with a suitable screwdriver.
M
ONTAGESATZ
Der Switch wird mit zwei Halterungen und vier Schrauben
geliefert. Diese werde für den Einbau in einen Baugruppenträger
benutzt. Bei der Montage der Baugruppe beachten Sie die
Anweisungen aus "Aufstellen des Switch" (page 3).
Einbau der Baugruppen in einen
Baugruppenträger
Der Switch ist eine Baueinheit hoch und passt in einen Standard
19'' (Zoll) Baugruppenträger.
ACHTUNG: Entfernen Sie alle Kabel, bevor Sie
fortfahren. Entfernen Sie die selbstklebenden Polster
(Füße) von der Unterseite der Baugruppe, falls diese
bereits angebracht sind.
1 Plazieren Sie die Baugruppe aufrecht auf einer harten,
ebenen Fläche mit der Vorderseite zu Ihnen.
P
ROBLEM
Refer to the information about LEDs given earlier in this guide to
see if the problem can be identified and rectified. Here are some
common problems that can occur:
Link Status LED not lit for a port that has a connection.
There is a problem with this connection. Check that:
The device being connected to is powered on and operating
correctly.
The cable is connected at both ends.
The cable is not damaged.
If the connection is to a workstation, that the workstation's
network interface is installed and configured correctly.
The correct category of cable is being used for the required
link speed. Category 3 cables can be used for 10BASE-T
operation only. Category 5 cables are required for
100BASE-TX or 1000BASE-T. 3Com recommends using
Category 5e cables for 1000BASE-T operation.
All ports appear to show continual activity. There may be
broadcast storms on the network.
K
I
IT
NSTRUCTIONS
A
NWEISUNGEN
S
OLVING
4 Repeat the two previous steps for the other side of the unit.
5 Insert the unit into the 19-inch rack and secure with suitable
screws (not provided).
6 Reconnect all cables.
2 Ordnen Sie eine der Halterungen über den Löchern an der
Seite der Baugruppe an.
3 Stecken Sie zwei der mitgelieferten Schrauben in die Löcher
und drehen Sie diese mit einem geeigneten Schraubendreher
fest.
4 Widerholen Sie letzten beiden Schritte auf der anderen Seite
der Baugruppe.
5 Führen Sie die Baugruppe in den 19" (Zoll) Baugruppenträger
ein und sichern sie die Baugruppe mit geeigneten Schrauben.
(Nicht im Lieferumfang enthalten.)
6 Schließen Sie alle Kabel wieder an.
Remove port connections one at a time, waiting a few seconds
between each port. If the LEDs go off after removing a port
connection, the device that was connected to that port is
introducing an excessive amount of broadcast frames to the
network (some pieces of network equipment operate by sending
out broadcast frames regularly). Refer to the documentation that
accompanies the device for information on disabling the
broadcast operation.
If the problem persists and the unit still does not operate
successfully, contact your supplier with the following information
before returning the unit:
Product number and serial number (printed on a label
supplied with the unit)
A brief description of the fault
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