H3C Mini S9G Bedienungsanleitung
1
Preparing for installation
H3C Mini Web-Managed Ethernet Switches include the following
models:
•H3C Mini S9G (S9G).
•H3C Mini S26 (S26).
•H3C Mini S26G (S26G).
Safety recommendations
To avoid any equipment damage or bodily injury, read the following
safety recommendations before installation. The recommendations
do not cover every possible hazardous condition.
•Do not place the switch near water or in a damp environment.
Prevent water or moisture from entering the chassis.
•Place the switch in a clean environment. Dust buildup on the
chassis might result in electrostatic adsorption, which reduces
lifespan of the device and can cause communication failure.
•Keep the air inlet and outlet vents of the switch free of
obstruction, and do not stack switches.
•Make sure the operating voltage is in the required range.
•Before using the switch, make sure the grounding cable of the
switch is correctly connected.
•Before cleaning the switch, remove the power cord from the
switch. Do not clean the switch with a wet cloth or liquid.
•Do not open the chassis while the switch is operating.
•To avoid damage caused by improper operation, do not open
the chassis even if the switch is powered off.
2
NOTE:
The switch is a class-A device and might cause electromagnetic
interference (EMI). Take actions to prevent EMI when
necessary.
Installing the switch
Table 1 Mounting options available for the switch
Switch
model Rack
mounting Workbench
mounting Wall
mounting
S9G Not supported Supported Supported
S26 Supported Supported Not supported
S26G Supported Supported Not supported
Mounting in a 19-inch rack
No mounting brackets and screws are provided with the switch.
Prepare them yourself.
To install the switch in a 19-inch rack:
1. Verify that the rack is reliably grounded and is stable.
2. Use screws to attach the mounting brackets to both sides of the
chassis.
3
Figure 1 Attaching mounting brackets to the switch
3. Place the switch on a rack shelf in the rack. Push the switch in
until the oval holes in the brackets align with the mounting holes
in the front rack posts.
4. Use screws to secure the mounting brackets to the front rack
posts.
Figure 2 Mounting the switch in the rack
4
NOTE:
Mounting brackets are used only for securing the switch to the
rack. A rack shelf on the rack is required to bear the switch
weight.
Mounting on a workbench
1. Verify that the workbench is clean, sturdy, and reliably
grounded.
2. Place the switch bottom up, and clean the four recessed areas
in the chassis bottom with a soft and dry cloth.
3. Attach the rubber feet to the recessed areas.
4. Place the switch upside up on the workbench.
Mounting on a wall
You can use pan-head screws and the mounting holes in the switch
bottom to mount the switch on a wall.
No screws and screw anchors are provided with the switch. Prepare
them yourself. The following figure shows the screw and screw
anchor of the recommended size.
5
Figure 3 Screw and screw anchor of the recommended size
(mm)
To mount the switch on a wall:
1. Determine the hole diameter and depth based on the screw and
screw anchor size. Make sure the screw anchor can be inserted
into the hole and seated flush with the wall and the screw can be
fastened securely into the anchor.
If you use screws and screw anchors of the recommended size,
the hole diameter is 5 mm (0.20 in).
2. Drill two holes spacing 90 mm (3.54 in) on the wall. Make sure
the two holes are on a horizontal line.
3. Fasten a screw anchor into each hole and make sure the anchor
is flush with the wall.
4. Insert a screw into each anchor, leaving a minimum of 2.5 mm
(0.10 in) between the screw head and wall for mounting the
switch
5. Align the two mounting holes in the switch bottom with the
screws and hang the switch on the screws.
6
Figure 4 Mounting the switch on a wall
Connecting cables
Connecting the grounding cable
CAUTION:
Correctly connecting the grounding cable is crucial to lightning
protection and EMI protection.
The switch is not provided with a grounding cable. Prepare one
yourself.
The S9G switch does not have a grounding screw and you do not
need to connect a grounding cable for it.
To connect the grounding cable:
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1. Use a Phillips screwdriver to remove the grounding screw from
grounding hole in the rear panel of the chassis. Use the
grounding screw to attach the ring terminal of the grounding
cable to the grounding hole. Fasten the grounding screw into the
grounding hole.
2. Use needle-nose pliers to make a loop at the other end of the
cable.
3. Remove the hex nut from a grounding post on the grounding
strip. Attach the loop to the grounding post and fasten the hex
nut.
Figure 5 Connecting the grounding cable
Connecting the power cord
Connecting the AC power cord
The S26 and S26G switches support AC power input.
To connect the AC power cord:
1. Make sure the switch is reliably grounded.
2. Connect one end of the AC power cord to the AC power
receptacle on the switch.
3. Connect the other end of the AC power cord to an AC power
source.
8
Connecting a power adapter
You can power the S9G switch by using a power adapter.
To connect the power adapter:
1. Connect the DC connector of the power adapter to the DC
power receptacle on the switch.
2. Connect the plug of the power adapter to an AC power source.
Installing an SFP transceiver module and
optical fibers
CAUTION:
•When you install or remove an SFP transceiver module, do
not touch the golden plating on it.
•Remove the dust plugs from an SFP transceiver module
only when you are to connect optical fibers to the module.
•Before installing an SFP module, remove the optical fibers,
if any, from it.
To install an SFP transceiver module and optical fibers:
1. Wear an ESD wrist strap and make sure it makes good skin
contact and is reliably grounded.
2. Pivot the bail latch of the module up. Holding the module by its
two sides, gently push the module into the slot until it has firm
contact with the slot.
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Figure 6 Installing the SFP transceiver module
3. Remove the dust caps from the optical fibers, and the dust plug
from the transceiver module.
4. Connect the LC connectors of the optical fibers to the
transceiver module.
Figure 7 Installing the optical fibers
Accessing the switch
The switch supports Web management.
To access the switch:
1. Connect the switch to a PC. Make sure the switch and PC are
reachable to reach other.
By default, the management IP address of the switch is
192.168.0.233 and the subnet mask is 255.255.255.0.
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2. Enter http://192.168.0.233 in the address bar of your browser.
3. On the login page that opens, enter the user name, password,
and verification code, select the language, and click Login.
The default username and password are admin
(case-sensitive).
Figure 8 Accessing the switch
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2
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