3COM 4510G User Manual
3Com Switch 4510G Family
Getting Started Guide
Manual Version: 6W100
www.3com.com
3Com Corporation
350 Campus Drive, Marlborough,
MA, USA 01752 3064
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About This Manual
Organization
3Com Switch 4510G Family Getting Started Guide is organized as follows:
Chapter Contents
1 Router Overview
2 Preparing for Installation
3 Installing the Switch
4 Starting and Configuring the
Switch
5 Boot ROM and Host
Software Loading
6 Maintenance and
Troubleshooting
Conventions
The manual uses the following conventions:
Briefly introduces the appearance, system description, as well as
the features and applications of the 3Com Switch 4510G Family.
Describes the requirements on installation site, the safety
recommendations before and during installation, and the re quired
tools.
Covers the procedures for installing the 3Com Switch 4510G
Family, ground wire connection, power module installation,
interface module installation, and so on.
Helps you get familiar with the basic knowledge of ho w to boot and
configure the 3Com Switch 4510G Family, including device
startup, power-on, and initialization of system files, and so on.
Introduces how to load Boot ROM and host software for the
3Com Switch 4510G Family.
Introduces the problems that might occur during the installation
and the booting of the 3Com Switch 4510G Family and the related
solution.
Command conventions
Convention Description
Boldface
italic
[ ] Items (keywords or arguments) in square brackets [ ] are optional.
{ x | y | ... }
[ x | y | ... ]
{ x | y | ... } *
[ x | y | ... ] *
&<1-n>
# A line starting with the # sign is comments.
The keywords of a command line are in Boldface.
Command arguments are in italic.
Alternative items are grouped in braces and separated by vertical bars.
One is selected.
Optional alternative items are grouped in square brackets and
separated by vertical bars. One or none is selected.
Alternative items are grouped in braces and separated by vertical bars.
A minimum of one or a maximum of all can be selected.
Optional alternative items are grouped in square brackets and
separated by vertical bars. Many or none can be selected.
The argument(s) before the ampersand (&) sign can be entered 1 to n
times.
GUI conventions
Convention Description
Boldface
>
Symbols
Convention Description
Window names, button names, field names, and menu items are in
Boldface. For example, the New User window appears; click OK.
Multi-level menus are separated by angle brackets. For example, File >
Create > Folder.
Means reader be extremely careful. Improper operation may cause
bodily injury.
Means reader be careful. Improper operation may cause data loss or
damage to equipment.
Means an action or information that needs special attention to ensure
successful configuration or good performance.
Means a complementary description.
Means techniques helpful for you to make configuration with ease.
Related Documentation
In addition to this manual, each 3Com Switch 4510G documentation set includes the following:
Manual Description
3Com Switch 4510G Family
Configuration Guide
3Com Switch 4510G Family
Command Reference Guide
Obtaining Documentation
You can access the most up-to-date 3Com product documentation on the Wo rld Wide Web at this URL:
http://www.3com.com.
Describe how to configure your 4210 Switch using the supported
protocols and CLI commands.
Provide detailed descriptions of command line interface (CLI)
commands, that you require to manage your switch.
Table of Contents
1 Product Overview······································································································································1-1
Overview ·················································································································································1-1
Introduction to Switch 4510G··················································································································1-2
Switch 4510G 24-Port ·····················································································································1-2
Switch 4510G 48-Port ·····················································································································1-3
Ports························································································································································1-4
Console Port····································································································································1-4
10/100/1000Base-T Ethernet Port···································································································1-4
SFP Port ··········································································································································1-5
Combo Port ·····································································································································1-5
LEDs························································································································································1-6
System Status LED ·························································································································1-6
RPS Status LED ······························································································································1-6
Port Mode LED ································································································································1-7
Seven-Segment LED·······················································································································1-7
10/100/1000Base-T Auto-Sensing Ethernet Port Status LED·························································1-8
SFP Port Status LED·······················································································································1-9
Interface Module Status LED ··········································································································1-9
Optional Interface Modules ·····················································································································1-9
Short-haul Dual-Port 10 GE CX4 Interface Module ······································································1-10
Dual-Port 10 GE XFP Interface Module ························································································1-11
One-port 10 GE XFP Interface Module ·························································································1-12
Dual-Port 10 GE SFP+ Interface Module ······················································································1-12
Description of LEDs of Interface Modules ·····················································································1-14
2 Preparing for Installation··························································································································2-1
Safety Precautions ··································································································································2-1
Installation Site········································································································································2-1
Temperature/Humidity·····················································································································2-2
Cleanness········································································································································2-2
Electromagnetic Susceptibility·········································································································2-2
Laser Safety ····································································································································2-3
Installation Tools ·····································································································································2-3
3 Installing the Switch··································································································································3-1
Installation Flow of the Switch·················································································································3-1
Installing the Switch into a 19-Inch Rack Using Mounting Brackets·······················································3-2
Introduction to Mounting Bracket·····································································································3-2
Use Front Mounting Brackets to Install a Switch·············································································3-2
Use Front Mounting Brackets and a Tray to Install a Switch ··························································3-3
Mounting the Switch on a Workbench ····································································································3-4
Connecting the Grounding Cable············································································································3-4
When a Grounding Strip is Available·······························································································3-4
Where a Grounding Conductor Can be Buried ···············································································3-6
In Other Installation Sites ················································································································3-6
i
Connecting the Power Cords ··················································································································3-7
Connecting the AC Power Cord ······································································································3-7
Connecting the RPS Power Cord····································································································3-9
Installing an Interface Module ·················································································································3-9
Installing an Interface Card ···········································································································3-10
Removing an Interface Module ·····································································································3-10
Installing Dedicated CX4/SFP+ Cable ··························································································3-11
Removing Dedicated CX4/SFP+ Cable ························································································3-11
Installing Switches for an IRF ···············································································································3-12
Installation Flow for an IRF············································································································3-12
Drawing a Plan for an IRF with Switches ······················································································3-13
Verifying the Installation························································································································3-16
4 Starting and Configuring the Switch·······································································································4-1
Setting up the Configuration Environment ······························································································4-1
Connecting the Console Cable ···············································································································4-1
Console Cable ·································································································································4-1
Connection Procedure·····················································································································4-2
Setting Terminal Parameters ··················································································································4-2
Booting the Switch ··································································································································4-5
Checking before Powering on the Switch························································································4-5
Powering on the Switch···················································································································4-5
Changing the Startup Mode ············································································································4-7
5 Boot ROM and Host Software Loading ···································································································5-1
Introduction to Loading Modes················································································································5-1
Loading Software Through the Boot ROM Menu····················································································5-1
Boot Menu ·······································································································································5-1
Loading Software Using XMODEM Through Console Port·····························································5-3
Loading Software Using TFTP through Ethernet Port·····································································5-8
Loading Software Using FTP Through Ethernet Port····································································5-10
Loading Software Through CLI ·············································································································5-12
Loading Software Using FTP ········································································································5-12
Loading Software Using TFTP ······································································································5-13
6 Maintenance and Troubleshooting··········································································································6-1
Software Loading Failure ························································································································6-1
Password Missing Failure ·······················································································································6-1
Missing User Password ···················································································································6-1
Missing Boot ROM Password··········································································································6-1
Power Supply Failure······························································································································6-2
AC input···········································································································································6-2
RPS input ········································································································································6-2
RPS&AC input ·································································································································6-2
Fan Failure ··············································································································································6-3
Configuration System Failure··················································································································6-4
Troubleshooting when there is no terminal display ·········································································6-4
Troubleshooting when the terminal display is illegible ····································································6-4
ii
1 Product Overview
Overview
3Com Switch 4510G Family (hereinafter referred to as the Switch 4510G ) are Layer 3 Gigabit Ethernet
switching products developed by 3Com Corporation. (Hereinafter referred to as 3Com).
The Switch 4510G are designed as distribution or access devices for intranets and metropolitan area
networks (MANs). Supporting IPv4/IPv6 dual stack and 10 GE uplink interfaces, the Switch 4510G
provide abundant service features and can also be used for connecting server groups in data centers.
The Switch 4510G support the 3Com-specific cluster management function, which facilitates your
network management. And they also support the Intelligent Resilient Framework (IRF) technology. You
can connect multiple 4510G switches through 10 GE ports to form a logical entity, thus to establish a
new intelligent network with high reliability, expandability and manageability.
The Switch 4510G include two models, and have the system specifications as shown in
Table 1-1 System specifications of the Switch 4510G
Item Switch 4510G 24-Port Switch 4510G 48-Port
Physical dimensions
(H × W × D)
Weight <4.4 kg (9.70 lb) <4.7 kg (10.36 lb)
Management port One console port, on the front panel
Fixed GE ports (on
the front panel)
Interface card
models supported
(optional)
43.6 × 440 × 300 mm
(1.72 × 17.32 × 11.81 in.)
24 × 10/100/1000Base-T
auto-sensing Ethernet port
4 × 1000Base-X SFP port
The last four 10/100/1000Base-T Ethernet ports and the four SFP ports
comprise four Combo ports.
: For each Combo port, either the SFP port or the corresponding
Ethernet port can be used at a time. For details about the combo port
mapping relationship, please refer to
2, on the rear panel
z Short-haul dual-port 10GE CX4 interface module (3C17767, support IRF)
z Dual-port 10 GE XFP interface module (3C17766, support IRF)
z One-port 10 GE XFP interface module (3C17768, support IRF)
z Dual-port 10 GE SFP+ interface module (LSPM2SP2P, support IRF)
48 × 10/100/1000Base-T
auto-sensing Ethernet port
4 × 1000Base-X SFP port
Table 1-4.
Table 1-1.
Power socket types
and quantity
1 AC power socket and 1 RPS power socket
: The two power inputs can be simultaneously used, acting as
backup for each other. Alternatively, you can use either power input.
1-1
Item Switch 4510G 24-Port Switch 4510G 48-Port
AC
Input
voltage
RPS
Static power
consumption
Power consumption
(full load)
Cooling system Four fans for heat dissipation
Operating
temperature
Relative humidity
(noncondensing)
Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz
Input voltage range: 90 VAC to 264 VA.C, 47 Hz to 63 Hz
Rated voltage range: 10.8 VDC to 13.2 VDC
Adopts RPS500-A3 using its +12 VDC/10.5 A output and the cable suite of
0404A03C
: Please use the external RPS power supply units recommended
by 3Com only.
36 W 55 W
103 W 145 W
0°C to 45°C (32°F to 113°F)
10% to 90%
For details about the external RPS power supply units, see the RPS500-A3 User Manual.
Introduction to Switch 4510G
Switch 4510G 24-Port
Front Panel
Figure 1-1 Front panel of the Switch 4510G 24-Port Ethernet switch
(1) 10/100/1000 Base-T auto-sensing Ethernet port
(2) 10/100/1000 Base-T auto-sensing Ethernet port status LED
(3) 1000 Base-X SFP port (4) 1000Base-X SFP port status LED
(5) Console port (6) Seven-segment LED
(7) Port mode LED (Mode) (8) System status LED (PWR)
(9) RPS status LED (RPS) (10) Interface module 1 status LED (MOD1)
(11) Interface module 2 status LED (MOD2) (12) Port status LED mode switching button
1-2
Rear Panel
Figure 1-2 Rear panel of the Switch 4510G 24-Port Ethernet switch
(1) AC power input (2) RPS power input (shipped with a protective cover)
(3) Grounding screw (4) Interface module slot 1 (MOD1)
(5) Interface module slot 2 (MOD2)
The Switch 4510G 24-Port provides two interface module slots on its rear panel. Each slot is installed
with a filler panel when the switch is shipped. You can select one or two interface modules for your
switch as needed. See
supported by the Switch 4510G, and see
Optional Interface Modules on page 1-9 for the interface module models
Installing an Interface Module on page 3-9 for the installation
of interface modules.
Switch 4510G 48-Port
Front Panel
Figure 1-3 Front panel of the Switch 4510G 48-Port Ethernet switch
(1) 10/100/1000 Base-T auto-sensing Ethernet port
(2) 10/100/1000 Base-T auto-sensing Ethernet port status LED
(3) Console port (4) Seven-segment LED
(5) Port mode LED (Mode) (6) System status LED (PWR)
(7) RPS status LED (RPS) (8) Interface module 1 status LED (MOD1)
(9) Interface module 2 status LED (MOD2) (10) Port status LED mode switching button
(11) 1000 Base-X SFP port (12) 1000Base-X SFP port status LED
1-3
Rear Panel
Figure 1-4 Rear panel of the Switch 4510G 48-Port Ethernet switch
(1) AC power input (2) RPS power input (shipped with a protective cover)
(3) Grounding screw (4) Interface module slot 1 (MOD1)
(5) Interface module slot 2 (MOD2)
The Switch 4510G 48-Port provides two interface module slots on its rear panel. Each slot is installed
with a filler panel when the switch is shipped. You can select one or two interface modules for your
switch as needed. See
supported by the Switch 4510G, and see
Optional Interface Modules on page 1-9 for the interface module models
Installing an Interface Module on page 3-9 for the installation
of interface modules.
Ports
Console Port
Each Switch 4510G provides one console port on the front panel. Table 1-2 describes the console port
specifications.
Table 1-2 Console port specifications
Connector type
Compliant standard
Transmission baud rate 9600 bps to 115200 bps (defaulting to 19200 bps)
Service
Item Specification
RJ-45
EIA/TIA-232
z It can be connected to an ASCII terminal.
z It can be connected to a serial port of a local or remote (through a
pair of modems) PC running terminal emulation program.
10/100/1000Base-T Ethernet Port
Each Switch 4510G provides 10/100/1000Base-T Ethernet ports on its front panel. Table 1-3 describes
the specifications of the 10/100/1000Base-T Ethernet ports.
1-4
Table 1-3 10/100/1000Base-T Ethernet port specifications
Item Specification
Connector type
Interface standard
Max transmission distance 100 m (328.08 ft.)
Transmission medium
Standard
SFP Port
The SFP ports on the front panel of Switch 4510G supports fiber Gigabit Ethernet long-wave (LX),
long-haul (LH70) and copper (T), 100BASE-LX10, and 100BASE-FX transceivers in any combination..
All SFP transceivers are hot swappable and optional. Therefore, networking is more flexible.
RJ-45
z 10 Mbps, full duplex
z 100 Mbps, full duplex
z 1000 Mbps, full duplex
z MDI/MDI-X, auto-sensing
Category-5 unshielded twisted pair cable
IEEE 802.3i, 802.3u, 802.3ab
z You are recommended to use SFP transceivers of 3Com on the Switch 4510G.
z The types of SFP transceivers may update with time. For information about transceivers, contact
3Com technical support or marketing staff.
Combo Port
One SFP port and the corresponding 10/100/1000Base-T Ethernet port form a Combo port. For each
Combo port, either the SFP port or the corresponding 10/100/1000Base-T Ethernet port can be used at
a time. For details about the combo port mapping relationship, please refer to
Table 1-4 Combo port mapping relationship
Switch 4510G 24-Port
Table 1-4.
Model SFP port 10/100/1000Base-T Ethernet port
25 22
26 24
27 21
Switch 4510G 48-Port
28 23
49 46
50 48
51 45
52 47
1-5
The SFP port and its corresponding 10/100/1000Base-T autosensing Ethernet port cannot be used
together at the same time. For details, refer to the Ethernet Port Configuration part in the Access
Volume of the 3Com Switch 4510G Family Configuration Guide.
LEDs
Table 1-5 LEDs
LED Device support
System Status LED All series
RPS Status LED All series
Port Mode LED All series
Seven-Segment LED All series
10/100/1000Base-T Auto-Sensing Ethernet Port Status LED All series
SFP Port Status LED All series
Interface Module Status LED All series
System Status LED
The system status LED helps you determine the working status of the switch. Refer to Table 1-6 for the
details.
Table 1-6 System status LED description
LED Status Description
PWR
Steady green The switch is started normally.
Flashing green (1 Hz) The system is performing power-on self test (POST).
Steady red POST failed.
Flashing yellow (1 Hz) POST on some ports failed.
Off The switch is powered off.
RPS Status LED
The RPS status LED helps you determine the working status of the RPS of the switch. Refer to Table
1-7 for details.
1-6
Table 1-7 RPS status LED
LED Mark Status Description
RPS status LED RPS
Port Mode LED
The port mode LED on the Switch 4510G can display the working status of a port for you to obtain more
device information. You can use the port mode switching button to change the status of the port mode
LED.
Table 1-8 Port mode LED description
LED Status Description
Mode
Steady green
Steady yellow
The AC input is normal, and the RPS is in the
position or works normally.
The RPS input is normal, but the AC input fails or
is not connected.
Off RPS is not connected.
Steady green Indicates port rate.
Steady yellow Indicates port duplex mode.
Seven-Segment LED
The seven-segment LED and the system status LED together indicate the operating status of the
device. For details, refer to
Table 1-9 Seven-segment LED description (1)
LED
Unit
System status
LED
(PWR/SYS)
Flashing green
Flashing red
Flashing green
Table 1-9.
Status
Seven-segment LED
The LED displays the specific numbers
one by one.
The LED flashes the specific numbers.
A bar rotates clockwise around the
LED.
Description
POST running. The LED
displays the POST test ID.
POST failed. The LED flashes
the POST test ID of the failed
test.
Software loading
Steady red
The LED flashes F.
Fan failure
1-7
Status
LED
System status
LED
(PWR/SYS)
Steady red
Steady green
Seven-segment LED
The LED flashes t.
The LED displays C.
The LED displays S.
The LED displays c.
The LED displays the specific numbers.
Description
Over-temperature alarm
The current switch is the
command switch in the cluster.
The current switch is a member
switch in the cluster.
The current switch is a
candidate switch in the cluster.
The member ID of the current
switch in the IRF system.
10/100/1000Base-T Auto-Sensing Ethernet Port Status LED
The port mode LED and the 10/100/1000Base-T auto-sensing Ethernet port status LED together
indicate the port operation status. Refer to
Table 1-10 10/100/1000Base-T auto-sensing Ethernet port LEDs description
Status
Port mode
LED
Ethernet port status
LED
Steady green
Steady
green (rate
Steady yellow
mode)
Flashing yellow (3 Hz) POST failed on the port.
Off The port is not up.
Steady green
Steady
yellow
Steady yellow
(duplex
mode)
Flashing yellow (3 Hz) POST failed on the port.
Table 1-10 for details.
Description
The port operates at a rate of 1000 Mbps; the LED is fast
flashing when data is being sent and/or received on the port.
The port operates at a rate of 10/100 Mbps; the LED is fast
flashing when data is being sent and/or received on the port.
The port operates in full-duplex mode; the LED is fast
flashing when data is being sent and/or received on the port.
The port operates in half-duplex mode; the LED is fast
flashing when data is being sent and/or received on the port.
Off The port is not up.
1-8
SFP Port Status LED
The port mode LED and the SFP port status LED together indicate the SFP port operation status. Refer
Table 1-11 for details.
to
Table 1-11 SFP port status LEDs description
Status
Port mode
LED
Ethernet port
status LED
Description
Steady green
Steady green
(rate mode)
Steady yellow
(duplex mode)
Steady yellow
Flashing yellow
(3 Hz)
Off The port is not up.
Steady green
Flashing yellow
(3 Hz)
Off The port is not up.
Interface Module Status LED
Table 1-12 Interface module status LED description
Mark Status Description
The port operates at a rate of 1000 Mbps; the LED is fast
flashing when data is being sent and/or received on the port.
The port operates at a rate of 100 Mbps; the LED is fast
flashing when data is being sent and/or received on the port.
POST failed on the port.
The port operates in full-duplex mode; the LED is fast flashing
when data is being sent and/or received on the port.
POST failed on the port.
Green The interface module is in the slot and operates normally.
MOD1
MOD2
Flashing yellow
Off No interface module is installed.
Optional Interface Modules
The Switch 4510G provide two interface module slots on the rear panel. You can select the interface
modules in
The Switch 4510G support IRF, requiring physical connections between devices. The 10 GE ports of
the supported interface modules support IRF, allowing you to connect the switches through these 10 GE
ports for IRF implementation.
Table 1-13 Description of the supported interface modules
Model Description
3C17767
Table 1-13 as needed.
Short-haul Dual-Port
10 GE CX4 Interface
Module
The inserted interface module type is incorrect or the interface
module fails.
Interface quantity
and type
2 × 10 Gbps electrical
ports
Suitable for short-distance
connections using CX4 power
cables, and support IRF
Remarks
1-9
Model Description
3C17766
3C17768
LSPM2SP2P
Dual-Port 10 GE XFP
Interface Module
One-port 10 GE XFP
Interface Module
Dual-Port 10 GE SFP+
Interface Module
Interface quantity
and type
2 × 10 Gbps XFP
optical ports
1 × 10 Gbps XFP
optical port
2 × 10 Gbps SFP+
optical ports
Short-haul Dual-Port 10 GE CX4 Interface Module
Figure 1-5 Short-haul dual-port 10 GE CX4 interface module
Remarks
Using XFP optical transceivers
and fibers for long-distance
connections, and support IRF
Using SFP+ power cables for
short-distance connections, and
support IRF
Using SFP+ optical transceivers
and fibers for long-distance
connections, and support IRF
Figure 1-6 Front panel of short-haul dual-port 10 GE CX4 interface module
A short-haul dual-port 10 GE CX4 interface module provides two 10 Gbps electrical ports and supports
CX4 electrical and protocol standards. Only 3Com’s CX4 power cables can be used for connecting the
CX4 ports. A CX4 cable is hot swappable and its maximum transmission distance is 3 m (9.84 ft.), which
is suitable for short-distance connections only.
Table 1-14 CX4 cables supported by the short-haul dual-port 10 GE CX4 interface module
CX4 Cable Connector type Length
3C17775 0.5 m (19.69 in.)
3C17776 1 m (39.37 in.)
3C17777
4X Infiniband
3 m (118.11 in.)
1-10
Figure 1-7 CX4 cable
Dual-Port 10 GE XFP Interface Module
Figure 1-8 Dual-port 10 GE XFP interface module
Figure 1-9 Front panel of dual-port 10 GE XFP interface module
A dual-port 10 GE XFP interface module provides two 10 Gbps XFP optical ports. You can insert an XFP
transceiver into the port to connect it to another XFP port through an optical fiber. You can select the
following XFP transceivers in
Table 1-15 as required.
Table 1-15 XFP transceivers supported by 10 GE XFP interface module
Max
transmission
distance
300 m (984.25 ft.)
Transceiver
Central
wavelength
Connector Fiber
50/125 µm multimode
optical fiber
XFP-SX-MM850 850 nm
62.5/125 µm
multimode optical fiber
33 m (108.27 ft.)
LC
XFP-LX-SM1310 1310 nm
9/125 µm single mode
optical fiber
10 km (6.21 mi.)
XFP-LH40-SM1550-F1 1550 nm
1-11
9/125 µm single mode
optical fiber
40 km (24.85 mi.)
z You are recommended to use XFP transceivers of 3Com on the Switch 4510G.
z The types of XFP transceivers may vary over time. Consult 3Com marketing personnel or technical
support personnel to obtain the latest information about XFP transceivers.
One-port 10 GE XFP Interface Module
Figure 1-10 One-port 10 GE XFP interface module
Figure 1-11 Front panel of one-port 10 GE XFP interface module
This module provides one 10 Gbps XFP optical interface. You can select the following XFP transceivers
as required. A one-port 10 GE XFP interface module provides one 10 Gbps XFP optical port. You can
insert an XFP transceiver into the port to connect it to another XFP port through an optical fiber. You can
select the XFP transceivers list in
Table 1-15 as required.
Dual-Port 10 GE SFP+ Interface Module
Figure 1-12 Dual-port 10 GE SFP+ interface module
1-12
Figure 1-13 Front panel of dual-port 10 GE SFP+ interface module
A dual-port 10 GE SFP+ interface module provides two 10 Gbps SFP+ ports. You can insert an SFP+
transceiver into the port to connect it to another SFP+ port through an optical fiber, or an SFP+ cable
provided by H3C. For details about the supported SFP+ transceivers and SFP+ cables, refer to
Table
1-16.
Table 1-16 SFP+ transceivers and SFP+ cables supported by dual-port 10 GE SFP+ interface module
Transceiver
/Cable type
Transceiver/
Cable
SFP-XG-SXMM850-A
10 GE SFP+
transceiver
SFP-XG-LX2
20-MM1310
SFP-XG-LXSM1310
LSWM1STK 0.65 m (2.13 ft.)
Short-haul
LSWM2STK 1.2 m (3.94 ft.)
10 GE SFP+
cable
LSWM3STK 3 m (9.84 ft.)
LSWM4STK
Figure 1-14 SFP+ cable
Central
waveleng
Connector Fiber
th
850 nm
LC
50/125 µm multimode
optical fiber
62.5/125 µm
multimode optical fiber
1310 nm
9/125 µm single mode
optical fiber
— — SFP+ cable
Max
transmission
distance
300 m (984.25
ft.)
220 m (721.78
ft.)
10 km (6.21 mi)
10 m (32.81 ft.)
Handle
Connector 1
Handle
Connector 2
z You are recommended to use SFP+ transceivers and SFP+ cables of H3C on the switch 4510G.
z The types of SFP+ transceivers and SFP+ cables may update with time. For information about
transceivers, contact 3Com technical support or marketing staff.
1-13
Description of LEDs of Interface Modules
There is a LED for each port on the interface module panel. Table 1-17 describes the LEDs.
Table 1-17 Description of LEDs on interface modules
LED Mark Status Description
The port is normally connected.
The LED blinks quickly when the
port is sending or receiving data.
The port is not up.
Port LED of an
interface module
This LED is
—
not affected
by the mode
button.
On
Off
For details about the port mode switching button, see Port Mode LED.
1-14
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