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This chapter contains important safety instructions for preventing bodily 
injury and/or property damage. You are required to follow them.

This symbol indicates a potential hazard 
that could result in serious injury or death.

 

Severity of bodily injury and/or property damage, which could result from incorrect 
use of the Switching Hub, are explained below.

 

The following symbols are used to classify and describe the type of instructions to 
be observed.

Important Safety Instructions

WARNING

CAUTION

This symbol indicates safety instructions. 
Deviation from these instructions could lead 
to bodily injury and/or property damage.

 

This symbol is used to alert 
users to what they must do.

This symbol is used to alert 
users to what they must not do.

 

WARNING

 

 

 

Do not use power supply other than AC 100 - 240 V.

  Deviation could lead to fire, electric shock, and/or equipment failure.

 

Do not handle the power cord with wet hand.

  Deviation could lead to electric shock, and/or equipment failure.

 

Do not handle this Switching Hub and connection cables during a 
thunderstorm.

  Deviation could lead to electric shock.

 

Do not disassemble and/or modify this Switching Hub.

  Deviation could lead to fire, electric shock, and/or equipment failure.

 

Do not damage the power cord. Do not bend too tightly, stretch, twist, bundle 

Do not unplug nor plug in the power plug with wet hands.

Deviation could lead to electrical shock, and/or equipment failure.

Do not insert nor drop any foreign objects such as metal or readily combustible 
things into the inside through the openings.

Deviation could lead to fire, electrical shock, and/or equipment failure.

Do not store or use the Switching Hub in places where it might get splashed 
with liquids such as water, in places with a lot of humidity, in places with 
conductive dust, or in places where there are corrosive and combustible gases.

Deviation could lead to fire, electrical shock, and/or equipment failure.

Do not store or use the Switching Hub in places where it will be exposed to 
direct sunlight or high temperatures.

The temperature inside will rise, which may cause fire.

Do not store or use the Switching Hub in places where there are lots of 
vibrations and impacts, or in unstable areas.

It might fall, which may cause injuries and/or equipment failure.

with other cord, pinch, put under a heavy object and/or heat it.

  Damaged power cord could lead to fire, short, and/or electric shock.

 

 

 

Содержание PN28480K-ID

Страница 1: ...ng Hub Please read the Important Safety Instructions on pages from 3 to 5 Any problems or damage resulting from disassembly of this Switching Hub by customers are not covered by the warranty I0716 10719 Printed in Japan Swtich M48eG Model No PN28480K TH PN28480K MY PN28480K ID PN28480K SG 2 12 7 Higashi Shimbashi Minato ku Tokyo Japan 105 0021 2019 ...

Страница 2: ...roduct 1 Product Outline 1 1 Features 1 2 Specifications 1 3 Accessories 1 4 Basic operation 2 Part Names and Functions 2 1 LED display change 3 Installation and Configuration 3 1 Mounting to rack 3 2 Configuration of IP address BASIC Troubleshooting 3 6 7 7 8 9 9 10 13 15 15 16 18 ...

Страница 3: ... Do not disassemble and or modify this Switching Hub Deviation could lead to fire electric shock and or equipment failure Do not damage the power cord Do not bend too tightly stretch twist bundle Do not unplug nor plug in the power plug with wet hands Deviation could lead to electrical shock and or equipment failure Do not insert nor drop any foreign objects such as metal or readily combustible th...

Страница 4: ...ction Unplug the power cord if the STATUS LED blinks in orange system fault Deviation such as keeping connected for a long time could lead to fire Handle the Switching Hub carefully so that fingers or hands may not be damaged by twisted pair port SFP extension slot console port or power cord hook block Do not connect any other devices except for 10BASE T 100BASE TX 1000BASE T devices to the twiste...

Страница 5: ...ereas the influence rate due to communications failures is extremely high in regard to systems that directly affect systems and human lives which require extremely high reliability It is strongly recommended that a lightning arrester SPD be installed on the twisted pair port side and the power supply side of this Switching Hub Malfunctions might be caused due to overcurrent and overvoltage due to ...

Страница 6: ...ons environment Strong vibration and or strong shock Failure to satisfy the conditions above may result in fire electric shock equipment failure and or malfunction Note that such events are not covered by the warranty Please use this Switching Hub where the ambient temperature is between 0 and 50 C when the fan is set to high speed factory default settings or 0 and 40 C when the fan is set to low ...

Страница 7: ...0 100 1000BASE T ports Their speed and communication mode can be changed by configuration Ports 45 48 can be used as a 10 100 1000BASE T port corresponding to auto negotiation or an SFP extension slot exclusively All twisted pair ports support straight cross cable auto sensing function Simply connect devices with straight cables whether it is a terminal or a network device This function does not w...

Страница 8: ...t grouping Communication control is available only for ports in the same group Up to 256 groups can be registered Management method Low noise fan control Low noise fan control Operating environment temperature Remarks SNMPv1 v2c v3 Telnet SSHv2 WEB Console High speed 0 50 C Factory default Set the fan to high speed when using this Switching Hub where the operating environment temperature is betwee...

Страница 9: ...hardware is executed On completion of self diagnosis PWR LED Power and STATUS ECO LED Status ECO mode light in green and the Switching Hub starts operation as a Switching Hub When this Switching Hub successfully communicates with a terminal connected to a port the Port LED lights up When the terminal is not operating normally for example when power is not supplied to the terminal the Port LED does...

Страница 10: ...rt ports 1 48 Devices such as 10 100 1000BASE T terminal hub repeater bridge and Switching Hub can be connected to this port Install the device so that the length of twisted pair cable CAT5e or above becomes 100 m or less SFP extension slot port 45 48 Install SFP module It becomes exclusive usage with twisted pair port When SFP extension slot is linked the port is automatically switched to SFP ext...

Страница 11: ...dication of communication speed at 1000 Mbps GIGA mode indication of communication speed at 100 Mbps or 10 Mbps Speed mode indication of transmission mode of full duplex or half duplex DUPLEX mode indication of a port having a history of loop occurrence Loop History mode or turning off LEDs of all ports ECO mode Mode at booting is called as Base mode There are two types of Base modes which are Sta...

Страница 12: ...at 100 Mbps or 10 Mbps or no device is connected 100M Green Light Link is established at 100 Mbps Off Link is established at 1000 Mbps or 10 Mbps or no device is connected FULL Green Light Link is established at full duplex Off Link is established at half duplex or no device is connected Orange Light Shutting down by loop detection Off Not shutting down by loop detection LOOP HISTORY Green Light L...

Страница 13: ...s Base mode There are two types of Base modes which are Status mode default setting at shipment and ECO mode To switch the Base mode keep pressing LED DISPLAY CHANGE BUTTON for 3 seconds or more When switching is done successfully 5 LEDs of STATUS ECO LED GIGA LED 100M LED and FULL LED are lighted once at the same time they turned off and then it enters a Base mode After switching to PoE mode GIGA...

Страница 14: ...revent loop from occurring If the loop is still not removed the port will shut down again Remove the loop while the port is shut down During loop is occurring or if loop has occurred within the latest 3 days LOOP HISTORY LED blinks to notify this It is possible to switch loop detection setting OFF ON by using a console cable for detail see the attached CD ROM or by pressing LED DISPLAY CHANGE BUTT...

Страница 15: ...in unit and the mounting bracket and fix the brackets to the main unit by tightening screws into 4 holes located at the sides Then mount this Switching Hub firmly to the rack using the supplied 4 screws for 19 inch rack or screws furnished at the rack The main unit can be placed 20 mm back on the rack by changing the bracket fixing position 20 mm ...

Страница 16: ...select System I P Configuration The screen to enter some addresses is displayed Screen 4 5 Press I to set an IP Address press M to set a Subnet Mask or press G to set a Default Gateway Then enter the specified address Screen 4 6 After completing the settings select Q uit to previous menu twice to return to Main Menu Screen 2 Here select Save Configuration to F lash Screen 5 and the command prompt ...

Страница 17: ...Screen 3 Screen 5 Screen 4 For the following please see the PDF version Operating Instructions in CD ROM Detailed configuration and management methods using the CLI Configuration and management method from ZEQUO assist Plus ...

Страница 18: ...to notify that there is a port in which a loop is occurring or has been removed within 3 days Communications are slow Are the communication speed and mode settings correct If the communication mode setting is incorrect the operation may be being performed in the half duplex mode Please reconfirm autonegotiation setting Do not set the connected equipment to forced full duplex Is not the utilization...

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