Benq SM2224 User Manual

FCC Warning
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with this user's guide, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
CE Mark Warning
This is a Class A product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures.
Trademarks
Copyright © 2002 Benq Corporation. Contents subject to change without prior notice. Benq is a registered trademark of Benq Corporation. All other trademarks belong to their respective proprietors.
Copyright Statement
No part of this publication may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from Benq
Corporation.
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Table of Contents
1. Introduction.........................................................1
1.1 Product Overview.......................................................1
1.2 Features and Specifications....................................... 2
1.2.1 Features............................................................................. 2
1.2.2 Technical Specifications..................................................... 2
1.2.3 Physical Specifications ...................................................... 5
1.2.4 Physical Ports.................................................................... 6
1.2.5 Basic Functions.................................................................. 6
1.2.6 VLAN................................................................................ 10
1.2.7 Class-of-Service (CoS) Support ...................................... 14
1.2.8 GVRP............................................................................... 14
1.2.9 IGMP Snooping and IP Multicast Filtering....................... 15
1.2.10 Switch Management...................................................... 16
1.3 Product outlook and LED display............................. 17
1.3.1 Product Outlook............................................................... 17
1.3.2 LED Display..................................................................... 18
1.4 Package contents..................................................... 19
2. Installation......................................................... 20
2.1 Operating Environment ............................................20
2.2. Connecting to Your Network....................................21
2.2.1 Cable Type & Length....................................................... 21
2.2.2 Cabling............................................................................. 22
2.3 Connecting to Power................................................ 23
2.4 Optional module installation.....................................25
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2.4.1 Gigabit Fiber/Copper Module Installation........................ 25
2.4.2 100FX Fiber Module Installation...................................... 26
3. Switch Management .........................................27
3.1 Management Access Overview................................28
3.2 Administration Console ............................................30
3.3 Web Management.................................................... 32
3.4 SNMP-Based Network Management ....................... 32
3.5 Protocols.................................................................. 33
3.6 Management Architecture........................................ 34
4. Menu-Driven Console Management ................36
4.1 Logging on to the switch........................................... 36
4.2 Switch Management Screen ....................................37
4.3 Basic Management .................................................. 40
4.3.1 Start with Selection Menu................................................ 40
4.3.2 General Management Configurations.............................. 41
4.3.3 LAN Port Configurations.................................................. 43
4.3.4 Console Port Configurations............................................ 49
4.4 Advanced Management ...........................................51
4.4.1 Start with Selection Menu................................................ 51
4.4.2 L2 Switching DataBase.................................................... 54
4.4.3 IP Networking................................................................... 67
4.4.4 Bridging............................................................................ 81
4.4.5 Static Filtering.................................................................. 85
4.4.6 Spanning Tree Functions................................................. 88
4.4.7 SNMP Functions.............................................................. 93
4.4.8 Other Protocols................................................................ 96
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4.4.9 Port Trunking ................................................................... 99
4.4.10 Port Mirroring............................................................... 101
4.4.11 QoS.............................................................................. 103
4.4.12 File transfer.................................................................. 129
4.5 Logout....................................................................136
4.6 Save Settings.........................................................136
4.7 Restore Default Settings ........................................136
4.8 Reboot....................................................................136
5. Web-Based Browser Management ................137
5.1 Logging on to the switch......................................... 137
5.2 Understanding the Browser Interface.....................139
5.3 Performing File Activities........................................141
5.3.1 Start with Selection Menu.............................................. 141
5.3.2 Saving Setting................................................................ 142
5.3.3 Receive File Via TFTP................................................... 142
5.3.4 Reboot ........................................................................... 143
5.3.5 Logout............................................................................ 144
5.4 Performing Basic Setup Activities .......................... 145
5.4.1 Start with Selection Menu.............................................. 145
5.4.2 General Management Configuration.............................. 146
5.4.3 LAN Port Configuration.................................................. 148
5.4.4 Console Port Configuration............................................ 153
5.5 Performing Advanced Setup Activities................... 156
5.5.1 Start with Selection Menu.............................................. 156
5.5.2 MAC Address Management........................................... 157
5.5.3 IP Networking................................................................. 161
5.5.4 Per Port Statistics .......................................................... 171
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5.5.5 Bridging.......................................................................... 173
5.5.6 Static MAC Filter............................................................ 174
5.5.7 IP Multicast Group ......................................................... 178
5.5.8 VLAN Perspective.......................................................... 179
5.5.9 Spanning Tree Perspective............................................ 185
5.5.10 SNMP........................................................................... 189
5.5.11 Other Protocols............................................................ 192
5.5.12 Port Trunking ............................................................... 193
5.5.13 Port Mirroring............................................................... 195
5.5.14 QoS.............................................................................. 196
6. SNMP & RMON Management ......................... 212
6.1 Overview................................................................212
6.2 SNMP Agent and MIB-2 (RFC 1213)..................... 213
6.3 RMON MIB (RFC 1757) and Bridge MIB (RFC 1493)
.....................................................................................214
7. Trouble Shooting ............................................ 216
Appendix:............................................................ 217
Ordering Information.................................................... 217
1. Introduction
1.1 Product Overview
This manual describes how to install and use the SM2224 Management Gigabit Switch. This switch introduced here is designed to deliver full scalability with SNMP/RMON web-based management functions by providing 24x10/100BASE-TX fixed ports, optional 2x100BASE-FX and optional 2x1000BASE-SX/LX or 1000BASE-T ports. For the two 100BASE-FX fiber ports, each allows for multi-mode SC, ST, VF-45, MT-RJ fiber module or single-mode SC fiber module. For the two Gigabit ports, it allows options of fiber type and wavelength at user’s discretion. This switch brings a simple answer for today’s complicated networking environments.
To get the best view of this manual, you should have an understanding of Ethernet networking basic concepts.
In this manual, you will find:
Features on the switch Illustrative LED functions Installation instructions Management Configuration SNMP, DHCP, IGMP… Specifications
1. Introduction-1
1.2 Features and Specifications
1.2.1 Features
24x10/100BASE-TX ports with RJ-45 connectors, Optional 2x100BASE-FX fiber ports, each allows for multi-mode SC, ST, VF-45, MT-RJ fiber module or single-mode SC fiber module. Optional 2x gigabit module slots, each allows for 1000Base-SX/LX fiber module or 1000BASE-T copper module Auto-negotiation for speed and duplex-mode on all TX ports Full wire-speed forwarding rate Store-and-forward mechanism Back-pressure and IEEE 802.3x compliant flow control Supports 32K MAC addresses Provides 2M memory buffer Front panel reset button
Standard 19” rackmount size, one-unit-height
1.2.2 Technical Specifications
Ethernet Standard IEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX IEEE 802.3ab 1000Base-T IEEE 802.3z 1000Base-SX/LX
Switch Method Store-and-Forward Forwarding rate 14,880pps for 10Mbps
148,800pps for 100Mbps 1,488,000pps for 1000Mbps
1. Introduction-2
Cable
10Base-T: 100Base-TX/ 1000Base-T
1000Base-SX:
1000Base-LX:
2-pair UTP/STP Cat. 3, 4, 5 2-pair UTP/STP Cat. 5 Both up to 100m (328ft)
62.5/125µm multi-mode fiber (850nm) Up to 220m 50/125µm multi-mode fiber (850nm) Up to 550m
62.5/125µm multi-mode fiber (1300nm) Up to 550m 10/125µm single-mode fiber (1300nm) Up to 20km
LED Indicators Per unit – Power status
Per port – LNK /ACT, FDX/COL, 10/100M Per Gigabit port –LNK /ACT, FDX/COL
VLAN
Port-base VLAN,
802.1Q compliant tagged VLAN, up to 255 groups
TRUNKING
Port trunking is provided by 3 groups. Group 1 & group 2, each allows up to 4 ports trunking selected from port 1 ~ port 24 while group 3 allows 2 gigabit ports trunking.
1. Introduction-3
PORT-SECURITY
Limit number of MAC addresses learned per port Static MAC addresses stay in the filtering table
PORT-MIRRORING
Port-mirroring provided through any two pair of mirror and capture ports
COS (IEEE802.1P CLASSIFICATION OF SERVICE)
4-level transmission priorities: 4 queues per output port Packet transmission scheduled using Weighted Round Robin (WRR) User-defined weights Classification of packet priority can be based on either a VLAN tag on packet or a user-definable port priority
INTERNETWORKING PROTOCOLS
Bridging: 802.1D Spanning Tree
802.1p/Q – GARP/GVRP
Routing: RIP
RIP-2 DHCP-Relay ICMP Router Discovery Message IP Multicast: IGMP Snooping IP Multicast Packet Filtering (Maximum of 256 VLANs and IP multicast
1. Introduction-4
sessions)
NETWORK MANAGEMENT METHODS
Console port access via RS-232 cable Telnet remote access SNMP agent: MIB-2 (RFC1213) Bridge MIB (RFC1493)
RMON MIB (RFC1757) – statistics, history, alarm and events VLAN MIB (802.1Q/RFC2674) Private MIB
Java applet-based MIB browser Web browser support based on HTTP server and CGI parser Kermit/TFTP software-upgrade capability
1.2.3 Physical Specifications
Power 100~240VAC 50-60Hz Operating Temperature 0°C 50°C Storage Temperature -20°C 70°C Operating Humidity 10% 90% RH
Emission Compliance FCC part 15 Class A, CE Mark, VCCI, C-tick Safety UL/CSA Dimension W 435 mm X D 221 mm X H
44 mm (17.1” X 8.7” X 1.8”).
1. Introduction-5
Standard 19” rack-mount size, one-unit-height.
Net Weight 3.4 kg(7.5lb)
1.2.4 Physical Ports
The Management Gigabit Switch provides 24x10/100Base-TX fixed ports and optional slots for 100Base-FX, 1000Base-SX/LX and 1000Base-T ports.
1.2.5 Basic Functions
In general, the switch is responsible for switching both VLAN tagged and untagged frames from a receiving port to one or more transmitting ports. The switch performs multiple steps during the switching process:
l VLAN classification l Learning l Filtering l Forwarding l Aging
Below is additional information about tasks that the switch performs during unicast and multicast switching.
UNICAST SWITCHING
VLAN CLASSIFICATION When the switch receives a frame, it classifies the frame in one of two ways:
l If the frame is untagged, the switch classifies the frame to an
associated VLAN.
1. Introduction-6
l If the frame is tagged, the switch uses the tagged VLAN ID to
identify the broadcasting domain of the frame.
LEARNING After VLAN classification, the switch checks the <source MAC address, VLAN> pair in the switching database (SDB) to see whether the <source MAC address, VLAN> pair is known.
l If it is unknown, the switch inserts the <source MAC address,
VLAN> into the SDB and learns the <source MAC address, VLAN>.
l If it is known, the switch checks the <source MAC address,
VLAN> for a mismatched port ID. If the port ID associated with the <source MAC address, VLAN> pair in the SDB is different than the receiving port, the switch modifies the port ID in the SDB and modifies its management database (MDB) accordingly.
1. Introduction-7
FILTERING After learning the address, the switch checks:
l Whether the source port or destination port is in the
forwarding state.
l Whether the source MAC address or destination MAC
address is to be filtered.
l Whether the source port ID is the same as destination port
ID.
If any of these conditions are met, the switch drops the receiving. Otherwise, it continues with the forwarding process described below.
FORWARDING During the forwarding process, the switch checks whether the <destination MAC address, VLAN> pair is unknown.
l If it is unknown, the switch floods the receiving frame to all
ports in the VLAN, excluding the source port.
l If it is known, the switch forwards the receiving frame to the
port associated with the <destination MAC address, VLAN> pair. At the same time, the switch ascertains the individual’s port’s VLAN tagging/untagging configuration and corresponding VLAN ID to render the appropriate frame tagging when the frame is ready to be transmitted.
MULTICAST SWITCHING
For multicast switching, the switch checks whether the received frame is a BPDU. If a BPDU is received, the switch forwards the frame to the CPU for processing by the spanning tree protocol. Otherwise, the switch performs the following processes: VLAN CLASSIFICATION Same as for unicast switching.
1. Introduction-8
LEARNING
Same as for unicast switching.
FILTERING
After learning the address, the switch checks:
l Whether the source port or destination port is not in the
forwarding state.
l Whether the source MAC address or destination MAC
address is to be filtered.
l Whether the source port ID is the same as destination port
ID.
If any of these conditions are met, the switch drops the receiving. Otherwise, it continues with the forwarding process described below.
FORWARDING The switch floods the received multicast frame to all ports that are in forwarding state within the VLAN, excluding the source port. At the same time, the switch ascertains the individual port’s VLAN tagging/untagging configuration and corresponding VLAN ID to render the appropriate frame tagging when the frame is ready to be transmitted.
AGING The switch performs the aging process for the <MAC addresses, VLAN> pair in the switching database. Once a <MAC address, VLAN> pair is aged out, the SDB is modified.
SPANNING TREE The switch supports one Spanning Tree per bridged network.
1. Introduction-9
1.2.6 VLAN
A virtual LAN (VLAN) is a network of computers that behave as if they are connected to the same wire, even though they may actually be physically located on different segments of a LAN. VLANs are analogous to a group of end stations, perhaps on multiple physical LAN segments that are not constrained by their physical location and can communicate as if they were on a common LAN.
VLANs are configured through software rather than hardware, which makes them extremely flexible. One of the biggest advantages of VLANs is that when a computer is physically moved to another location, it can stay on the same VLAN without any hardware reconfiguration.
Because VLANs are not limited by the hardware constraints that physically connect traditional LAN segments to a network, they can define a network into various logical configurations. For example, VLANs can define a network by application. In this scenario, a company might create one VLAN for multimedia users and another for email users. VLANs can also define a network by department. For example, a company might have one VLAN for its Engineering Department, another for its Marketing Department, and another for its Account Payable Department.
VLANs can also be set up according to the organization structure within a company. For example, the company president might have his/her own VLAN, the executive staff might have a different VLAN, and the remaining employees might have yet a different VLAN.
As these examples show, VLANs offer unparalleled flexibility.
1. Introduction-10
The following sections describe how deploying VLANs can benefit organizations and reduce administration costs.
BROADCAST CONTAINMENT
In traditional networks, traffic broadcasts to all network devices, whether they are the intended recipients or not. However, VLANs can be set up to contain only those devices that need to communicate with each other. As a result, VLANs significantly reduce network congestion. In addition, VLANs prevent broadcast storms from causing network meltdown due to volumes of traffic.
MULTICAST-BASED MULTIMEDIA APPLICATIONS
Multimedia applications, such as interactive training, video conferencing, and news-video transmissions, require large amounts of bandwidth. These applications are also extremely sensitive to variable delays, which are unavoidable on a shared Ethernet network. By defining a VLAN based on the IP multicast address for all subscribing members on the VLAN, sufficient bandwidth will be available for these application, providing true multimedia on Ethernet.
ENHANCED SECURITY
Because VLANs are self-contained, only the devices within the same VLAN can communicate with each other. If a device in one VLAN wants to communicate with a device in another VLAN, the traffic must go through a router.
1. Introduction-11
VLAN MEMBERSHIP
VLAN implementation allows:
l Up to 256 VLANs in one switch. l VLANs across multiple switches by using explicit or implicit
tagging and the GARP/GVRP protocol defined in IEEE802.1p and 802.1Q.
l An end station’s network interface card belong to multiple
VLANs.
l A switch port to be associated with multiple VLANs.
DEFINITIONS OF VLAN MEMBERSHIP
VLAN implementation allows VLAN membership to be defined based on ports. Port-based VLANs are organized by physical port number. For example, switch ports 1, 2, 4 and 6 can be grouped on VLAN, while server ports 3, 5, 7 and 8 can be on another VLAN. Broadcasts from servers within each group would only go to the members of its own VLAN. This ensures that broadcast storms cannot cause a network meltdown due to volumes of traffic.
VLAN MEMBERSHIP LEARNING
Port-based VLAN is defined using a static binding between a VLAN and its associated ports. The switch’s forwarding decision is based on the destination MAC address and its associated port ID. Therefore, to make valid forwarding and flooding decisions, the switch learns the relationship of the MAC address to its related port – and thus to the VLAN – at runtime.
REMOTE VLAN LEARNING
In addition to providing network management tools that allow network administrators to statically add and delete VLAN member ports, the switch also supports GVRP (GARP VLAN
1. Introduction-12
Registration Protocol). GVRP allows for dynamic registration of VLAN port members within switch and across multiple switches.
Other than supporting dynamic updating of registration entries in a switch, GVRP is used to communicate VLAN registration information to other VLAN-aware switches, so that a VLAN member can cover a wide span of switches on a network.
GVRP allows both VLAN-aware workstations and switches to issue and revoke VLAN memberships. VLAN-aware switches register an propagate VLAN membership to all ports that belong to the active topology of the VLAN.
VLAN CONFIGURATION
The switch provides a Local/Remote Management Console Interface for VLAN configuration and management An SNMP-based VLAN MIB is also provided.
INTRA-VLAN COMMUNICATION
The switch supports intra-VLAN communication through hardware, as described in “Basic Functions” section.
INTER-VLAN COMMUNICATION
The switch supports inter-VLAN communication using CPU-based routing software.
1. Introduction-13
1.2.7 Class-of-Service (CoS) Support
The switch provides four transmit queues on each port, with a weighted round-robin scheme. These functions can be used to provide independent priorities for various types of data including real-time video, real-time voice, and best-effort data.
Priority assignment to packet-based switches is accomplished through explicit assignment by end stations, which have applications that require a higher priority than best-effort data. This mechanism utilizes the IEEE802.1p and 802.1Q tag structure, which the switch uses to decide priority assignments for the received packets.
1.2.8 GVRP
In addition to network management tools that allow network administrators to statically add and delete VLAN member ports, the routing switch supports GARP VLAN Registration Protocol (GVRP). GVRP supports dynamic registration of VLAN port members within a switch and across multiple switches.
In addition to dynamically updating registration entries within a switch, GVRP is used to communicate VLAN registration information to other VLAN-aware switches, so that members of a VLAN can cover a wide span of switches on a network.
GVRP allows both VLAN-aware workstations and switches to issue and revoke VLAN memberships. VLAN-aware switches register and propagate VLAN membership to all ports that are part of the active topology of the VLAN.
1. Introduction-14
1.2.9 IGMP Snooping and IP Multicast Filtering
The Internet Group Management Protocol (IGMP) runs between hosts and their immediately neighboring multicast routers. The protocol’s mechanisms allow a host to inform its local router that it wants to receive transmissions addressed to a specific multicast group.
Routers periodically query the LAN to determine if known group members are still active. If there is more than one router on the LAN performing IP multicasting, one of the routers is elected “querier” and assumes the responsibility of querying the LAN for group members.
Based on the group membership information learned from the IGMP, a router can determine which (if any) multicast traffic needs to be forwarded to each of its “leaf” subnetworks. Multicast routers use this information, along with a multicast routing protocol, to support IP multicasting across the Internet.
IGMP provides the final step in an IP multicast packet delivery service since it is only concerned with the forwarding of multicast traffic from the local route to group members on directly attached subnetworks.
Routing switches support IP Multicast Filtering by:
l Passively snooping on the IGMP Query and IGMP Report
packets transferred between IP Multicast Routers and IP Multicast host groups to learn IP Multicast group members, and
l Actively sending IGMP Query messages to solicit IP Multicast
group members.
1. Introduction-15
The purpose of IP multicast filtering is to optimize a switched network’s performance, so multicast packets will only be forwarded to those ports containing multicast group hosts members and routers instead of flooding to all ports in the subnet (VLAN).
Routing switches with IP multicast filtering/switching capability not only passively monitor IGMP Query and Report messages, DVMRP Probe messages, PIM, and MOSPF Hello messages; they also actively send IGMP Query messages to learn locations of multicast routers and member hosts in multicast groups within each VLAN.
Note, however, IGMP neither alters nor routes any IP multicast packets. Since IGMP is not concerned with the delivery of IP multicast packets across subnetworks, an external IP multicast router is needed if IP multicast packets have to be routed across different subnetworks.
1.2.10 Switch Management
ADMINISTRATION CONSOLE VIA RS-232 SERIAL PORT
The switch provides an onboard serial port, which allows the switch to be configured via a directly connected terminal or a Telnet session.
WEB-BASED BROWSER INTERFACE
The switch also boasts a point-and-click browser-based interface that lets users access full switch configuration and functionality from a Netscape or Internet Explorer browser.
1. Introduction-16
EXTERNAL SNMP-BASED NETWORK MANAGEMENT APPLICATION
The switch can also be configured via SNMP.
For more information on switch management, refer to the “Switch Management” section on page 14.
1.3 Product outlook and LED display
1.3.1 Product Outlook
Front View of SM2224
Rear view of SM2224
1. Introduction-17
1.3.2 LED Display
LEDs State Indication Power
(Green)
LNK/ACT
(Port number)
(Green)
100M
(Green)
FDX/COL
(Yellow)
F1, F2
(Orange)
Steady Power on Off Power off
A valid network connection
On
Flashing On 100M mode
Off 10M mode On
Flashing
Off On Fiber module connected
Off No Fiber module connected
established.
LNK stands for LINK. Transmitting or receiving data.
ACT stands for ACTIVITY.
Connection in full duplex mode. FDX stands for FULL-DUPLEX. Collision occurred. COL stands for COLLISION.
Connection in half-duplex mode.
1. Introduction-18
1.4 Package contents
When you unpack the product package, you shall find the items listed below. Please inspect the contents, and report any apparent damage or missing items immediately to your authorized reseller.
ü SM2224 x 1 ü This User’s Guide ü AC power cord x 1 ü RS232 cable x 1 ü Rack mount ears with screws ü Warranty card
1. Introduction-19
2. Installation
This chapter gives step-by-step instructions about how to install the switch:
2.1 Operating Environment
As with any electric device, you should place the switch where it will not be subjected to extreme temperatures, humidity, or electromagnetic interference. Specifically, the site you select should meet the following requirements:
- The ambient temperature should be between 32 and 122 degrees Fahrenheit (0 to 50 degrees Celsius).
- The relative humidity should be less than 90 percent, non-condensing.
- Surrounding electrical devices should not exceed the electromagnetic field (RFC) standards for IEC 801-3, Level 2 (3V/M) field strength.
- Make sure that the switch receives adequate ventilation. Do not block the ventilation holes on each side of the switch or the fan exhaust port on the rear of the switch.
- The power outlet should be within 1.8 meters of the switch.
2. Installation -20
2.2. Connecting to Your Network
2.2.1 Cable Type & Length
It is necessary to follow the cable specifications below when connecting the switch to your network. Use appropriate cables that meet your speed and cabling requirements.
Cable Specifications
Speed Connector
10BASE-T
100BASE-TX
1000BASE-T
1000BASE-SX (*Wavelength of
850nm)
1000BASE-LX (*Wavelength of
1300nm)
RJ-45
RJ-45
RJ-45
SC
SC
SC
SC
Port Speed Half/Full Duplex
10/20 Mbps
100/200 Mbps
1000/2000 Mbps
1000/2000 Mbps
1000/2000 Mbps
1000/2000 Mbps
1000/2000 Mbps
Cable
2-pair UTP/STP Cat. 3, 4, 5
2-pair UTP/STP Cat. 5
2-pair UTP/STP Cat. 5
62.5/125µm multi-mode fiber
50/125µm multi-mode fiber
62.5/125µm multi-mode fiber
10/125µm single-mode fiber
Max. Distance
100 m
100 m
100 m
220 m
550 m
550 m
20 km
2. Installation -21
2.2.2 Cabling
Step 1: First, ensure the power of the switch and end devices
is turned off.
<Note> Always ensure that the power is off before any
installation.
Step 2: Prepare cable with corresponding connectors for each
type of port in use.
<Note> To connect two regular RJ-45 ports between switches
or hubs, you need a cross-over cable.
Step 3: Consult Cable Specifications Table on previous page
for cabling requirements based on connectors and speed.
Step 4: Connect one end of the cable to the switch and the
other end to a desired device.
Step 5: Once the connections between two end devices are
made successfully, turn on the power and the switch is operational.
2. Installation -22
2.3 Connecting to Power
Step 1: Connect the supplied AC power cord to the receptacle
on the back of the switch, and then plug it into a standard AC outlet with a voltage range from 100 to 240 Vac.
Step 2: Disconnect the power cord if you want to shut down
the switch.
POWER-ON SELF TEST (POST)
The Switch performs its Power-On Self Test (POST) when the power is switched on. During the POST, the switch CPU will:
l perform a series of diagnostic procedures to make sure the
basic system is functioning integrity
l decompress the main switching software runtime image from
the flash ROM into DRAM area
l begin executing the main switching software
A command line prompts when you press the Esc key on a terminal connected to the switch serial port during the POST process. Then you can execute the following options:
DOWNLOAD RUNTIME SOFTWARE FROM SERIAL PORT
This will download the runtime system image to the switch via the serial port. Before selecting this option, make sure:
l A host system is running a terminal emulation program that
supports the Kermit file transfer protocol.
l The host system’s hard drive has the required binary file that
will be downloaded to the switch.
2. Installation -23
CONFIGURE THE SYSTEM
This option lets you modify any configurable parameter in the switch’s flash ROM before the switch system boots.
RUN MANUFACTURING DIAGNOSTICS
This option is to download the manufacturer’s diagnostics. Refer to Download Runtime Software for download requirements.
When the file transfer is completed, the target system jumps to the entry point of the diagnostic program and starts executing the diagnostic code. The Main Menu of the diagnostic program appears, where you can initiate tests or obtain system information. Note that user intervention is not required when a test runs, unless an error occurs. If an error occurs during testing, you are given the choice of continuing the diagnostics or skip the error.
2. Installation -24
2.4 Optional module installation
2.4.1 Gigabit Fiber/Copper Module Installation
The gigabit module shall be inserted into the expansion slot located at the rear of the switch.
Remove the module from the static free container
Unscrew the cover plate of the expansion slot.
Remove the plate and keep it for future use when you
decide to remove the module
With the power off, slide the module into the slot
Once it is slid in fully, snap in the module to make a
proper connection and fasten the screws
Turn on the power
Connect the appropriate fiber that can match the
connector provided
100FX Module Slots
Gigabit Module Slots
2. Installation -25
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