KTI Networks KGS-2421 Manuale utente
KGS-2421
Managed 24-Port Gigabit Ethernet Switches
with 4 SFP Slots
Installation Guide
DOC.121213
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(C) 2010-2012 KTI Networks Inc. All rights reserved. No part of this documentation may be reproduced in any
form or by any means or used to make any directive work (such as translation or transformation) without
permission from KTI Networks Inc.
KTI Networks Inc. reserves the right to revise this documentation and to make changes in content from time to
time without obligation on the part of KTI Networks Inc. to provide notification of such revision or change.
For more information, contact:
United States KTI Networks Inc.
P.O. BOX 631008
Houston, Texas 77263-1008
Phone: 713-2663891
Fax: 713-2663893
URL: http://www.ktinet.com/
International Fax: 886-2-26983873
URL: http://www.ktinet.com.tw/
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The information contained in this document is subject to change without prior notice.
Copyright (C) All Rights Reserved.
TRADEMARKS
Ethernet is a registered trademark of Xerox Corp.
FCC NOTICE
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2) This device must accept any interference received,
including the interference that may cause undesired operation.
CE NOTICE
Marking by the symbol indicates compliance of this equipment to the EMC directive of the European
Community. Such marking is indicative that this equipment meets or exceeds the following technical
standards:
EMC Class A
EN55022:2006/A1:2007
EN61000-3-2:2006
EN61000-3-3:1995/A1:2001/A2:2005 Class A
EN 55024:1998/A1:2001/A2:2003
IEC 61000-4-2:2001
IEC 61000-4-3:2002/A1:2002
IEC 61000-4-4:2004
IEC 61000-4-5:2001
IEC 61000-4-6:2003
IEC 61000-4-8:2001
IEC 61000-4-11:2001
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Table of Contents
1. Introduction......................................................................................................................................................5
1.1 Features.................................................................................................................................6
1.2 Product Panels.......................................................................................................................8
1.3 LED Indicators .......................................................................................................................9
1.4 Specifications.........................................................................................................................9
2. Installation......................................................................................................................................................11
2.1 Unpacking............................................................................................................................11
2.2 Safety Cautions.................................................................................................................... 11
2.3 Mounting the Switch.............................................................................................................12
2.4 AC Power Supply................................................................................................................. 13
2.5 DC Power Supply.................................................................................................................13
2.6 Reset Button ........................................................................................................................14
2.7 Making UTP Connections ....................................................................................................15
2.8 Making Fiber Connection.....................................................................................................16
2.9 LED Indication...................................................................................................................... 17
2.10 Making Console Connection..............................................................................................18
3. Manage the Switch........................................................................................................................................19
3.1 IP Address & Password .......................................................................................................19
3.2 Configuring IP Address & Password via console and telnet................................................19
3.3 Configuring IP Address & Password via Web Interface....................................................... 20
3.4 Reference Manuals for Web, Console, Telnet Management............................................... 22
3.5 Configuration for SNMP Management................................................................................. 23
3.6 SNMP MIBs ......................................................................................................................... 24
1. Introduction
The 24-port Managed Gigabit Ethernet Switches are standard L2 switches that meets all IEEE 802.3/u/x/z
Gigabit, Fast Ethernet specifications. The switches have 20 10/100/1000Mbps copper ports and 4 combo ports
with copper and Gigabit SFP slots. The switches support console CLI, Telnet CLI, Web GUI and SNMP
interface for switch management. The network administrator can logon the switch to monitor and configure
port operating mode, Quality of Service, and powerful L2 switching functions such as VLAN, IGMP, RSTP etc.
In addition, the switches are also featured with security functions such as IEEE802.1x and ACL control to
make them suitable for office applications.
The switch is featured with the following switched ports and advantages in a 1U rack box:
20 10/100/1000Mbps Gigabit copper ports
4 combo ports - 10/100/1000Mbps copper & 1000Base-X SFP
Model Definition
Model Description Management Power Input
KGS-2421-S AC powered model Managed AC 100 ~ 240V
KGS-2421-D DC powered model Managed DC +/-48V
Plug and Play
The switch is shipped with factory default configuration which behaves like an unmanaged Gigabit switch for
workgroup. It provides 24 10/100/1000Mbps copper ports for connections to Ethernet, Fast Ethernet, and
Gigabit Ethernet devices. With the featured auto-negotiation function, the switch can detect and configure the
connection speed and duplex automatically. The switch also provides auto MDI/MDI-X function, which can
detect the connected cable and switch the transmission wire pair and receiving pair automatically. This
auto-crossover function can simplify the type of network cables used.
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Fiber Connectivity
Four combo ports provide four 1000M SFP slots, which can be installed with optional SFP optical fiber
transceivers to support four Gigabit 1000Base-X fiber connections respectively when needed.
Management
The switch is embedded with an Http server and telnet server which provide management functions for
advanced network functions including Port Control, Quality of Service, and Virtual LAN functions. The
management can be performed via Web browser based interface or telnet CLI over TCP/IP network. The
switch also provides SNMP agent to support management from an SNMP manager.
AC & DC Power Options
In addition to standard AC power input, the switches provide DC options for applications with DC power
system.
1.1 Features
Provides 24 10/100/1000Mbps RJ-45 and four Gigabit SFP slots (4 combo ports)
Provides in-band console CLI, web and SNMP management interfaces
All copper ports support auto-negotiation and auto-MDI/MDI-X detection
Power saving support
The SFP slots support 1000BASE-X SFP transceivers
Provides Gigabit full wire speed forwarding
Supports 802.3x flow control for Full-duplex and backpressure for Half-duplex
Support jumbo frames
19” rack mountable
Both AC powered model and DC powered model are available for choice.
Management Features:
Port Control
-Port Speed/Duplex Mode/Flow Control/Power saving configuration
-Port frame size control (Jumbo frame support)
QoS
-Traffic Classification up to 4 active priorities
-Port QoS configuration
-QoS Control List for policy rules
-Port bandwidth control for ingress and egress
-Storm Control for UC, MC and BC
Layer2
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-Auto MAC address learning and ageing
-Static MAC address filtering
-Port-based and 802.1Q Tag-based VLAN
-Link Aggregation - LACP
-Rapid Spanning tree - RSTP
-Port Mirroring
-IGMP snooping
-DHCP client for IP configuration
Security features
-Access Control List for L2/L3 protocol filtering, ingress rate limit, port copy
-Port Access Control based on IEEE 802.1X
Management
-Web management
-Console CLI
-Telnet CLI
-Software Download via Web
-SNTP Client
-SNMP v1/v2c Agent
-SSH v2 & HTTPS
-RMON group 1, 2, 3, and 9
-Restore to default configuration
-Configuration download and upload
-System syslog
SNMP MIBs
1.2 Product Panels
The following figure illustrates the front panel and rear panel of the switch:
Front panel
Rear panel – Managed models with AC power
ear panel – Managed models with DC powerR
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1.3 LED Indicators
LED Function
POWER Power status
Mngt Management status
1000M Port speed 1000Mbps status (Port 1 – Port 24)
Link/Act. Port link and activity status (Port 1 – Port 24)
F21 – F24 SFP Fiber is selected on Port 21 – Port 24
1.4 Specifications
10/100/1000 Copper Ports
Compliance IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3u 1000Base-T
Connectors Shielded RJ-45 jacks
Pin assignments Auto MDI/MDI-X detection
Configuration Auto-negotiation or software control
Transmission rate 10Mbps, 100Mbps, 1000Mbps
Duplex support Full/Half duplex
Network cable Cat.5 UTP
Combo Ports (Port 21 ~ Port 24) with 10/100/1000 RJ-45 and 1000Mbps SFP
10/100/1000 Copper Port Interface
Same as above 10/100/1000 Copper Ports
Fiber interface
Compliance IEEE 802.3z 1000Base-SX/LX (mini-GBIC)
Connectors SFP slot for optional SFP type fiber transceivers
Configuration Auto/Forced, 1000Mbps, Full duplex
Transmission rate 1000Mbps
DDM support Yes
Network cables MMF 50/125 60/125, SMF 9/125
Eye safety IEC 825 compliant
Console Port
Interface RS-232, DTE type
Connector 9-pin D-sub
Switch Functions
MAC Addresses Table 8K entries
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Forwarding & filtering Non-blocking, full wire speed
Switching technology Store and forward
Maximum packet length 9600 bytes (Jumbo frame support)
Flow control IEEE 802.3x pause frame base for full duplex operation
Back pressure for half duplex operation
VLAN function Port-based VLAN and IEEE 802.1Q Tag-based VLAN
VLAN support 4096 VLANs (IEEE 802.1Q)
Aggregation Static and LACP Port link aggregation (port trunking)
QoS function Ethernet type, IP-based, DSCP, TOS-based, VID-based, VLAN Tag-based packet
classification
Port rate control, storm control
Port Mirroring Mirror received frames to a sniffer port
AC Power Input
Interfaces IEC320 receptacle
Operating Input Voltages 100 ~ 240VAC
Power Consumption 34W max.
DC Power Input
Interfaces Screw-type terminal block
Operating Input Voltages +40 ~ +72VDC, -40 ~ -72VDC
Power Consumption 34W max.
Mechanical
Dimension (base) 443 x 245 x 43 mm (WxDxH)
Housing Enclosed metal
Mounting Desktop mounting, 19” rack mounting
Environmental
Operating Temperature Typical -5oC ~ +50oC
Storage Temperature -20oC ~ +85oC
Relative Humidity 10% ~ 90% non-condensing
Electrical Approvals
FCC Part 15 rule Class A
CE EMC, CISPR22 Class A
Safety LVD, IEC60950
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