Panasonic Switch-M48eG User manual

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Thank you for purchasing our product.
This manual provides important information about safe and proper
operations of this Switching Hub.

Please read the "Important Safety Instruction" on pages 3 to 5.
Any problems or damage resulting from disassembly of this Switching
Hub by customers are not covered by the warranty.
Switch-M48eG
Model Number: PN28480K
Operation Manual
Menu Screens

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This operation manual is applicable to the following Switching Hubs:
Product name Model No. Firmware version
Switch-M48eG PN28480K-ID
PN28480K-TH
PN28480K-MY
2.0.0.01 or higher

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Important Safety Instructions
This chapter contains important safety instructions for preventing bodily
injury and/or property damage. You are required to follow them.
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.
This symbol is used to alert
users to what they must not do.
Do not use power supply other than AC 100 - 240V.
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 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.
Do not put foreign objects (such as metal and combustible) into the
opening (such as twisted pair port, console port, SFP extension slot),
and/or do not drop them into the inside of the Switching Hub.
Deviation could lead to fire, electric shock, and/or equipment failure.
WARNING
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.
WARNING
This symbol indicates a potential hazard that
could result in serious injury or death.
CAUTION

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Do not connect equipments other than
10BASE-T/100BASE-TX/1000BASE-T to twisted pair port.
Deviation could lead to fire, electric shock, and/or equipment failure.
Do not place this Switching Hub in harsh environment (such as near
water, high humid, and/or high dust).
Deviation could lead to fire, electric shock, and/or equipment failure.
Do not place this Switching Hub under direct sun light and/or high
temperature.
Deviation could lead to high internal temperature and fire.
Do not install this Switching Hub at the location with continuous
vibration or strong shock, or at the unstable location.
Deviation could lead to injury and/or equipment failure.
Do not install any module other than the separately sold SFP module
(PN54021K/PN54023K) to SFP extension slot.
Deviation could lead to fire, electric shock, and/or equipment failure.
Do not put this Switching Hub into fire.
Deviation could lead to explosion and/or fire.
Do not use the supplied power cord for anything other than this
product.
Deviation could lead to fire, electric shock, and/or equipment failure.
Do not place this Switching Hub under direct sun light and or high
temperature.
Deviation could lead to fire to high internal temperature and fire.
WARNING

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WARNING
CAUTION
Use the bundled power cord (AC 100 – 240V specifications).
Deviation could lead to electric shock, malfunction, and/or
equipment failure.
Unplug the power cord in case of equipment failure.
Deviation, such as keeping connected for a long time, could lead to
fire.
Connect this Switching Hub to ground.
Deviation could lead to electric shock, malfunction, and/or
equipment failure.
Connect the power cord firmly to the power port.
Deviation could lead to electric fire, shock, and/or malfunction.
Unplug the power cord if the STATUS/ECO LED (Status/ECO mode)
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.

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Basic Instructions for the Use of This
Product
For inspection and/or repair, consult the shop.
Use commercial power supply from a wall socket, which is close and easily
accessible to this Switching Hub.
Unplug the power cord when installing or moving this Switching Hub.
Unplug the power cord when cleaning this Switching Hub.
Use this Switching Hub within the specifications. Deviation could lead to
malfunction.
When connecting a cable, hold the Switching Hub firmly.
Do not put a floppy disk or a magnetic card near the rubber feet (with built-in
magnets). Otherwise, recorded content may be lost.
After installing this Switching Hub on an OA desk, do not move either without
dismounting it. Otherwise, the desk surface may be damaged.
Do not touch the metal terminal of the RJ45 connector, the modular plug of
connected twisted pair cable, or the metal terminal of the SFP extension slot.
Do not place charged objects in the proximity of them. Static electricity could
lead to equipment failure.
Do not put the modular plug of the connected twisted pair cable on objects
that can carry static charge, such as carpet. Do not place it in the proximity.
Static electricity could lead to equipment failure.
Do not put a strong shock, including dropping, to this Switching Hub.
Deviation could lead to equipment failure.
Before connecting a console cable to the console port, discharge static
electricity, for example by touching metal appliance (do not discharge by
touching this Switching Hub).
Do not store and/or use this Switching Hub in the environment with the
characteristics listed below.
(Store and/or use this Switching Hub in the environment in accordance with
the specification.)

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 High humidity. Possible spilled liquid (water).
Dusty. Possible static charge (such as carpet).
Under direct sunlight.
 Possible condensation. High/low temperature exceeding the specifications
environment.
 Strong vibration and/or strong shock.
Please use this Switching Hub in place with the ambient temperature is from 0
to 50°C.
Failure to meet the above conditions may result in fire, electric shock,
breakdown, and/or malfunction. Please take notice because such cases are
out of guarantee.
Additionally, do not cover the bent hole of this Switching Hub.
Deviation could lead to high internal temperature, equipment failure and/or
malfunction.
When stacking Switching Hubs, leave a minimum of 20 mm space between
them.
Operation is not guaranteed if a module other than the optional SFP
extension modules (PN54021K/PN54023K) is inserted into the SFP extension
slot. For the latest information about compatible SFP extension modules,
check our website.
1. Panasonic will not be liable for any damage resulting from the operation
not in accordance with this document or the loss of communications,
which may or may not be caused by failure and/or malfunction of this
product.
2. The contents described in this document may be changed without prior
notice.
3. For any question, please contact the shop where you purchased the
product.
* Brands and product names in this document are trademarks or registered
trademarks of their respective holders.

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Table of Contents
Important Safety Instructions ................................................................................3
Basic Instructions for the Use of This Product .......................................................6
1. Product Outline ................................................................................................11
1.1. Features ......................................................................................................11
1.2. Accessories ..................................................................................................13
1.3. Part Names .................................................................................................14
1.4. LED Behavior...............................................................................................15
1.4.1. LED Behavior at Start-up ......................................................................15
1.4.2. LED Behavior while Operating .............................................................15
1.4.3. Loop detection function.......................................................................18
1.5. LED Display Change Button........................................................................19
1.5.1. Setting LED Base Mode ........................................................................19
1.5.2. LED Display Switchover.........................................................................19
2. Installation ........................................................................................................21
2.1. Mounting to 19-inch Rack ..........................................................................21
3. Connection .......................................................................................................22
3.1. Connection Using a Twisted Pair Port........................................................22
3.2. Connection Using an SFP Extension Slot....................................................23
3.3. Connection to Power..................................................................................24
4. Configuration ...................................................................................................25
4.1. Connecting via Console Port ......................................................................25
4.2. Login ...........................................................................................................26
4.3. Basic Operations on the Screen..................................................................29
4.4. Main Menu .................................................................................................31
4.5. General Information Menu ........................................................................33
4.6. Basic Switch Configuration.........................................................................37
4.6.1. System Administration Configuration..................................................39
4.6.2. System IP Configuration .......................................................................41
4.6.3. SNMP Configuration.............................................................................45
4.6.4. Port Configuration Basic.......................................................................74
4.6.5. Port Configuration Extend ...................................................................78
4.6.6. Port Configuration Power Saving.........................................................81
4.6.7. System Security Configuration .............................................................84
4.6.8. Forwarding Database .........................................................................101

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4.6.9. Time Configuration.............................................................................107
4.6.10. ARP Table..........................................................................................110
4.6.11. NDP Table .........................................................................................112
4.7. Advanced Switch Configuration ..............................................................114
4.7.1. VLAN Management ............................................................................116
4.7.2. Link Aggregation ................................................................................126
4.7.3. Port Monitoring Configuration Menu................................................128
4.7.4. Access Control Configuration Menu ..................................................130
4.7.5 Quality of Service Configuration .........................................................155
4.7.6. Storm Control Configuration Menu ...................................................159
4.7.7 802.1X Port Based Access Control.......................................................161
4.7.8 Loop Detection Configuration Menu..................................................164
4.7.9. Port Group Configuration Menu........................................................168
4.7.10. Digital Diagnostic Monitoring Menu................................................175
4.7.11. Static Multicast Address....................................................................178
4.8. Statistics ....................................................................................................180
4.9. Switch Tools Configuration ......................................................................185
4.9.1. TFTP Software Upgrade .....................................................................186
4.9.2. Configuration File Upload/Download................................................189
4.9.3. System Reboot ....................................................................................191
4.9.4. Exception Handler...............................................................................193
4.9.5. Ping Execution ....................................................................................195
4.9.5.a. IPv4 Ping Execution..........................................................................196
4.9.5.b. IPv6 Ping Execution .........................................................................198
4.9.6. System Log ..........................................................................................200
4.9.7. Watch Dog Timer Menu .....................................................................207
4.10. Save Configuration to Flash ...................................................................208
4.11. Command Line Interface (CLI) ...............................................................210
4.12. Logout.....................................................................................................211
Appendix A. Specifications ..............................................................................212
Appendix B. Easy IP Address Setup Function..................................................214
Appendix C. Example of Network Configuration using Loop Detection Function
and Its Precautions .............................................................................................215
Appendix D. MIB List .......................................................................................217
Troubleshooting .................................................................................................231
After-sales Service...............................................................................................232

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1. Product Outline
Switch-M48eG is an all Giga bit Ethernet Switching Hub with management
function having 44 ports of 10/100/1000BASE-T and four pairs of
10/100/1000BASE-T port and SFP extension slot, one of which is selectable.
1.1. Features
Has wire-speed Layer 2 switching function.
Ports 1 to 44 are 10/100/1000BASE-T ports corresponding to auto
negotiation. Also their speed and communication mode can be switched
by configuration. Ports 45 to 48 can be used as a 10/100/1000BASE-T
port corresponding to auto negotiation or an SFP extension slot
exclusively. Also their speed and communication mode can be switched
by configuration.
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 work if the port communication configuration is
set at Fixed or Link Aggregation. Ports 1 to 44 are set at MDI-X. (default))
Has a loop detection function, which notifies when a loop occurs with
the corresponding port LED and automatically shuts down the looped
port.
Has a loop detection history function, which notifies when a loop occurs
with the corresponding LED and enables a network administrator to
identify the looped port after the loop is removed.
VLAN function allows free grouping of up to 256 VLANs
Fanless design solves noise problem or fan failure.
Use of LED indicator switching button saves power consumption of LED
lamps.
The IEEE802.1p compatible QoS function is supported.
Has an Internet mansion function, which ensures security between each
door.
Power saving mode detects the connection status automatically and
saves power consumption to minimum.

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Telnet and SSH functions facilitate remote setting change and
confirmation.
Standard MIB (MIB II, Bridge MIB, etc.) is supported, enabling remote
control by using the SNMP manager. (For details, refer to Appendix A
and Appendix C.)
Link aggregation function is supported. Aggregation can be manually
configured up to 8 ports.
Reboot timer function is supported, enabling auto reboot after a
scheduled time (24 hours or less).
Equipped with energy efficient Ethernet (EEE) conforming to IEEE802.3az
(LPI). When there is no data transmission at link up, the energy-saving
state automati- cally starts so that power consumption can be reduced
on each port.

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1.2. Accessories
Please be sure to confirm the content. Please contact our distributor if any of
the contents are insufficient.
Quantity
Installation Guide (this document)……………………………………………………… 1
CD-ROM (PDF version of Operating Instructions) ………………………………… 1
Mounting bracket (for 19-inch rack)…………………………………………………… 2
Screws (for 19-inch rack)…………………………………………………………………… 4
Screws (for fixing the main unit and the mounting bracket) ………………… 8
Rubber foot …………………………………………………………………………………… 4
Power cord……………………………………………………………………………………… 1
[Optional accessories]
PN54021K 1000BASE-SX SFP Module
PN54023K 1000BASE-LX SFP Module

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1.3. Part Names
Fig. 1-3 Part Names
Back panel
Magnified
Front panel

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1.4. LED Behavior
1.4.1. LED Behavior at Start-up
Upon turning this Switching Hub on, all LEDs tentatively light up. Then, the
self-diagnosis of hardware is executed. Upon finishing the diagnosis, power
LED and status/ECO mode LED light in solid green. Then, the Switching Hub
starts working.
1.4.2. LED Behavior while Operating
This Switching Hub has a set of LEDs for each port. These LEDs indicate the
operation status of each port.

System LED
LED Behavior Description
POWER LED
(Power)
Green Light Power is ON.
Off Power is OFF.
ANY COL. LED
(Collision)
Orange Light During half-duplex operation, packet collision
is occurring in either port.
Off No packet collision.
STATUS/ECO LED
(Status/Eco mode)
Green Light Operating in status mode.
Green Blink Operating in ECO mode.
(All LEDs turn off, except POWER and
STATUS/ECO LEDs during ECO mode.)
Off Power is OFF.
GIGA LED
(GIGA mode)
Green Light
Operating in GIGA mode.
100M LED
(Speed mode)
Green Light
Operating in Speed mode.
FULL LED
(DUPLEX mode)
Green Light
Operating in Duplex mode.
LOOP HISTORY LED
(Loop History mode)
Green Light Operating in Loop history mode.
Green Blink Loop is occurring, or occurred within the last
3 days.

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
Port LED display mode LED
In the status mode described later, port LED shows linkup and
communication status. By pressing the LED display switch button in the front
panel, the display mode of port LED can be changed as follows.
Port LED display mode Description
STATUS/ECO Shows linkup and communication status.
GIGA Shows linkup status at 1000 Mbps.
100M Shows linkup status at 100 Mbps.
FULL Shows linkup status at full-duplex or half-duplex.
LOOP HISTORY Shows loop history and port shut-off status.

Port LED
According to switchover in the port LED display mode, described previously,
display of port LED in each port changes as follows.
Port LED Display mode Behavior Description
Left STATUS/ECO Green
Light
Link is established.
Green
Blink
Transmitting and receiving data.
Off No device connected.
GIGA Green
Light
Link is established at 1000 Mbps.
Off Link is established 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.
LOOP HISTORY
Green
Light
Within 3 days after loop removed.

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Off No loop detection history.
Right

Orange
Light
Shutting down by loop detection.
Off Not shutting down by loop detection.
Fig. 1-4 Port LED

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1.4.3. Loop detection function
Turns on the port LED with an orange light when a loop occurs in the
corresponding port. At this time, the relevant port automatically shuts down
(default setting: 60 sec.) to prevent loop from occurring. If the loop is still not
removed, the port will shut down again. Remove the loop while the port is
shut off.
The loop detection/shut-off function can be switched on/off by keeping
pressing the LED display switch button for more than 10 seconds or by
setting in the configuration menu. For details on the configuration menu,
refer to 4.7.8. If switching properly takes place, LOOP HISTORY LED turns on
to complete switchover.
The loop history can be reset by powering off the Switching Hub and then
on.

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1.5. LED Display Change Button
1.5.1. Setting LED Base Mode
You can select display of LEDs in this Switching Hub from two types: Status
mode and Eco mode.
The mode selected at system start-up is called the base mode. The base mode
can be switched by keeping pressing the LED display switch button for more
than 3 seconds. After pressing the LED display switch button for more than 3
seconds, STATUS/ECO, GIGA, 100M, and FULL LEDs will turn on at once, and
then the mode will switch over.
Status mode (Factory default setting)
According to the port LED display mode, port LED shows the status of each
port. In status mode, STATUS/ECO LED lights in green.
ECO mode
Regardless of whether a device is connected or not,
all LEDs other than
POWER and STATUS/ECO LEDs turn off
to save power. In ECO mode,
STATUS/ECO LED flashes in green.
The base mode can be set from the configuration menu of this Switching
Hub. For details, refer to 4.6.7.h.
1.5.2. LED Display Switchover
By pressing the LED display switch button on the front panel, display of port
LED can be changed in the following order.
Port LED display mode Description
STATUS/ECO Shows link establishment and communication status.
GIGA Shows linkup status at 1000 Mbps.
100M Shows linkup status at 100 Mbps.
FULL Shows linkup status at full-duplex or half-duplex.
LOOP HISTORY Shows loop detection and port shut-off status.

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If the port LED display mode is switched to other than STATUS/ECO and then
no operation is executed for more than 1 minute, the mode automatically
shifts to the base mode.