KTI Networks KGS-2461-S User manual

KGS-2461-S
KGS-2461-HP
Industrial Managed 24-Port L2/L3
Gigabit Ethernet Switches with PoE+ features
Installation Guide
DOC.230626
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(C) 2023 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:
15F-7, No. 79, Sec. 1, Hsin-Tai-Wu Rd.
Hsi-chih, New Taipei City, Taiwan
Fax: [phone]
E-mail: [email protected]
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:
CISPR 22
EN 61000-6-4
EN61000-6-2
VCCI-A NOTICE
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Table of Contents
1. Introduction......................................................................................................................................................5
1.1 Features................................................................................................................................. 6
1.2 Product Panels..................................................................................................................... 10
1.3 LED Indicators .....................................................................................................................10
1.4 Specifications.......................................................................................................................10
2. Installation......................................................................................................................................................14
2.1 Unpacking............................................................................................................................14
2.2 Safety Cautions.................................................................................................................... 14
2.3 Mounting the Switch............................................................................................................. 15
2.4 Applying AC Power Supply (KGS-2461-S) .......................................................................... 16
2.5 Applying DC Power Supply (KGS-2461-HP)........................................................................17
2.6 Reset Button ........................................................................................................................ 18
2.7 Making UTP Connections ....................................................................................................18
2.8 Making SFP Fiber Connection.............................................................................................19
2.9 Making PoE PSE Connections (KGS-2461-HP).................................................................. 21
2.10 LED Indication.................................................................................................................... 22
2.11 Making Console Connection..............................................................................................23
2.12 Alarm Relay Output............................................................................................................24
3. Managing the Switch.....................................................................................................................................25
3.1 IP Address & Password ....................................................................................................... 25
3.2 Configuring IP Address via console and telnet CLI..............................................................25
3.3 Configuring Local Authentication via console and telnet CLI...............................................26
3.4 Configuring IP Address & Password via Web Interface....................................................... 27
3.5 Reference Manuals for Web, Console, Telnet Management............................................... 31
3.6 Configuration for SNMP Management................................................................................. 32
3.7 SNMP MIBs ......................................................................................................................... 33

1. Introduction
The industrial-rated 24-port Managed Gigabit Ethernet Switches are standard L2 & L3 switches that meets all
IEEE 802.3/u/x/z Gigabit, Fast Ethernet specifications. They are 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 & dual-speed SFP
One RS-232 Console port
Optional PoE+ PSE function on all copper ports
The switches support Telnet CLI, Web GUI, SNMP and console CLI 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 powerful security functions such as SSH, HTTPS, IEEE 802.1x & MAC-based authentication,
and ACL control to make them suitable for industrial core applications.
Model Definition
Model No. Model Power Input Power connector PoE+ feature
KGS-2461-S AC powered model AC 100 ~ 240V IEC320 No
KGS-2461-HP DC powered model DC +/-40~57V Screw terminals
(Redundant input) Yes
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1.1 Features
Provide 24 10/100/1000Mbps RJ-45 and four dual speed SFP slots (4 combo ports)
Provide optional 24 802.3at compliant PoE+ PSE ports
All copper ports support auto-negotiation and auto-MDI/MDI-X detection
The SFP slots support both 100BASE-X and 1000BASE-X SFP transceivers
Support SFP with Digital Diagnostic Monitoring (DDM) support
Provide L2 switching at Gigabit full wire speed
Provide L3 switching functions for IPv4/IPv6 Unicast routing and IPv4 Multicast routing
Support Green Ethernet power saving
Support 802.3x flow control for full-duplex and backpressure for half-duplex
Jumbo frame support up to 10056 frame length
Support 802.1Q VLAN and diversified VLAN functions
Provide QoS function
Support port bandwidth control for ingress and egress
Support packets storm control function for broadcast, unicast and multicast
Support LACP port link aggregation
Support MAC address learning, ageing and filtering control
Provide port mirroring function
Provide Optical Power Alarm (OPA) function
Provide Auto Laser Shutdown (ALS) function
19” rack mountable
Both AC powered model and DC powered model are available for choice.
Redundant DC power input
Relay alarm output for port link faults, power failure, and fiber OPA alarm
Security upgrade with TLS 1.2/1.3 support
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 8 active priorities
-Port QoS configuration
-QoS Control List for policy rules
-Port bandwidth control for ingress and egress
-Storm Control for UC, MC and Unknown MAC
-Port ingress bandwidth policer

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-Policers for ACL rules
-Port egress bandwidth shaper
-Queue egress bandwidth shaper
-DiffServ (RFC2474) DSCP based classification and remarking
-Tag based remarking
-Port scheduler mode for egress queue
Layer2
-Auto MAC address learning and ageing
-Static MAC address filtering
-802.1Q VLAN
-VLAN trunking
-LAN Trunking
-Multiple Registration Protocol – MRP
-IEEE-802.1ad Provider Bridge (Native or Translated VLAN)
-Link Aggregation - LACP
-MSTP, RSTP, STP
-Port Mirroring
-IGMP, MLD snooping
-DHCP client for IP configuration
Layer 3 Switching
-DHCP option 82 relay
-UPNP
-IPv4 Unicast: Static routing
-IPv4 Unicast: RIPv1/RIPv2
-IPv4 Multicast Routing
-IPv6 Unicast Routing
Security features
-Port-based 802.1X
-Single 802.1X
-Multiple 802.1X
-MAC-based authentication
-ADIUS Accounting
-MAC Address Limit
-MAC address limit by VLAN
-MAC Freeze - All learned MAC addresses on specified ports become static MAC addresses
-MAC Spoofing - Network protection against changing MAC address to bypass the ACL services
-IP MAC binding

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-IP/MAC binding dynamic to static
-TACACS+ Protocol for authenticating users that wish to manage the switch.
-TACACS+ Accounting
-Web & CLI Authentication
-User Authorization Levels for CLI and Web management.
-Web-based Authentication
-Authorization (15 user levels)
-ACLs for filtering/policing/port copy
-Access Control Lists for filtering, policing or port copy
-IP source guard - Access Control List for L2/L3 protocol filtering, ingress rate limit, port copy
Management
-DHCP Client
-DHCPv6 Client
-DHCP Server
-DNS client, proxy
-HTTP Server - Web management with TLS 1.2/1.3 support
-Console CLI
-Telnet CLI
-Industrial Standard CLI
-Industrial Standard Configuration
-Management access filtering
-HTTPS
-SSHv2
-System Syslog
-Software Upload via web
-SNMP v1 / v2c / v3 Agent
-RMON (Group 1, 2, 3 & 9)
-SNMP trap group
-Link Layer Discovery – LLDP
-LLDP-MED
-sFlow
-Software Download via Web
-Configuration download and upload
SNMP MIBs
Specific features
-Port Link Alarm
-PoE

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-OPA
-ALS
-SFP DDM

1.2 Product Panels
The following figure illustrates the front panel and rear panel of the switch:
Model Front & Rear
AC
powered
model
DC
powered
model
1.3 LED Indicators
LED Function
POWER Power status
Mngt Management status
1000M Port speed status, PoE status
Link/Act. Port link and activity status (Port 1 – Port 24)
PAF, PBF Power fault status (KGS-2461-HP)
1.4 Specifications
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10/100/1000 Copper Ports (Port 1 ~ Port 24)
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
Power over Ethernet PSE Function (Model KGS-2461-HP only)
PSE Ports Port 1 ~ Port 24
Power output pins Positive of power voltage: pin 4,5
Negative of power voltage: pin 7,8
Standard IEEE 802.3at
Classification PD Class 0 ~ 4 detection
Power Delivery 30W max. at port output for Cat.5 distance up to 100 meters
Output Voltage Same as DC IN voltage
Protection Under voltage protection
Over voltage protection
Over current detection
Dual-speed SFP Slots (Port 21 ~ Port 24)
Compliance IEEE 802.3z 1000BASE-SX/LX (mini-GBIC)
IEEE 802.3u 100BASE-FX
Connectors SFP slot supports optional both 100M and 1000M SFP type fiber transceivers
Configuration options Auto-negotiation 1000Mbps Full duplex
Forced 100Mbps Full duplex
(Software configurable)
Network cables MMF 50/125m 60/125m, SMF 9/125m
Eye safety IEC 825 compliant
Alarm Relay Output
Interface 6 dry contacts
Connector European terminal block
Alarm Events Power fault, Port link down, Fiber alarm
Console Port

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Interface RS-232, DTE type
Connector 9-pin D-sub
Switch Functions
MAC Addresses Table 8K entries
Forwarding & filtering Non-blocking, full wire speed
Switching technology Store and forward
Maximum packet length 10056 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 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 (AC powered models)
Interfaces IEC320 receptacle
OperatingInputVoltages 100 ~ 240VAC / 0.26-0.13A
Power Consumption 27W max.
DC Power Input (DC powered models)
Interfaces Redundant screw-type terminal block
Input Voltages +40 ~ +57VDC for non-PoE applications
+45 ~ +57VDC for supporting PoE/PoE+ applications
+51 ~ +57VDC for supporting PoE+ 30W PDs
Polarity reversal protection
Power Consumption 770W max. including full PoE load on all ports
Current 16A max.@+48VDC
30W max. (No PoE consuming)
Rated input wire AWG10~12
Mechanical
Dimension (base) 443 x 280 x 43 mm (WxDxH)
Housing Enclosed metal

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Mounting Desktop mounting, 19” rack mounting
Environmental
Operating Temperature Typical -30oC ~ +60oC
Storage Temperature -40oC ~ +85oC
Relative Humidity 10% ~ 90% non-condensing
Certificates & Approvals
FCC Part 15 Subpart B, Class A
VCCI:2005-04 Japan Emission std. , Class A
CE mark European Conformity
VCCI Class A
LVD Safety
IEC60950-1 Safety standard
CISPR22 Class A
EN 61000-6-4 Emission for industrial environments
EN 61000-6-2 Immunity for industrial environments
EN 50121-1 EMC standard for railway applications - general
EN 50121-4 EMC standard for railway applications - telecommunication apparatus
IEC 60068-2-64 Vibration
IEC 60068-2-27 Shock 20G

2. Installation
2.1 Unpacking
The product package contains:
The switch unit
One AC power cord (AC powered Model)
One 19” rack mounting kit
One product CD-ROM
One RS-232 serial cable
2.2 Safety Cautions
To reduce the risk of bodily injury, electrical shock, fire and damage to the product, observe the following
precautions.
Do not service any product except as explained in your system documentation.
Opening or removing covers may expose you to electrical shock.
Only a trained service technician should service components inside these compartments.
If any of the following conditions occur, unplug the product from the electrical outlet and replace the
part or contact your trained service provider:
-The power cable, extension cable, or plug is damaged.
-An object has fallen into the product.
-The product has been exposed to water.
-The product has been dropped or damaged.
-The product does not operate correctly when you follow the operating instructions.
Do not push any objects into the openings of your system. Doing so can cause fire or electric shock by
shorting out interior components.
Operate the product only from the type of external power source indicated on the electrical ratings
label. If you are not sure of the type of power source required, consult your service provider or local
power company.
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2.3 Mounting the Switch
Desktop Mounting
The switch can be mounted on a desktop or shelf. Make sure that there is proper heat dissipation from and
adequate ventilation around the device. Do not place heavy objects on the device.
Rack Mounting
Two 19-inch rack mounting brackets are supplied with the switch for 19-inch rack mounting.
The steps to mount the switch onto a 19-inch rack are:
1. Turn the power to the switch off.
2. Install two brackets with supplied screws onto the switch as shown in figure below.
3. Mount the switch onto 19-inch rack with rack screws securely.
4. Turn the power to the switch on.
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2.4 Applying AC Power Supply (KGS-2461-S)
If the purchased switch is with AC power input, one AC power cord which meets the specification of your
country of origin was supplied in package. Before installing AC power cord to the switch, make sure the AC
power is OFF and the AC power to the power cord is turned off.
AC power input specifications
Connector: IEC320 type
Power Rating: 100 ~ 240VAC, 50/60Hz
Current Rating: 0.26 ~ 0.13A
Voltage Range: 90 ~ 264VAC
Frequency: 47 ~ 63 Hz
Power Consumption: 27W max.
Important Notes:
1. The socket-outlet shall be installed near the switch and shall be easily accessible.
2. Use of an approved power supply cord not lighter than IEC 60227, H03VV-F, 3G, 0.75mm2 or
alternatively IEC 60245, H05RR-F, 3G, 0.75mm2.
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2.5 Applying DC Power Supply (KGS-2461-HP)
If the purchased switch is with DC power input, the power connector is shown below. It provides two power
input interfaces, POWER A and POWER B. Each comes with one connector and one power switch. The design
supports power redundancy to the device.
DC power input specifications
Receptacle: Screw-type terminal block
Voltages: +40 ~ +72VDC
Polarity reversal protection
Power Consumption: 30W max. @ 48VDC when no PoE consumption
Power Consumption: 770W including full PoE load on all ports
Contacts
Vdc+ input
Vdc- input
Protective earth (Connected chassis and isolated with Vdc+ & Vdc-)
Workingvoltagerange Application
+40 ~ +57VDC General with no PoE
+45 ~ +57VDC Supporting general PoE/PoE+ PDs
+51 ~ +57VDC Supporting PoE+ PDs consuming more than 30W
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2.6 Reset Button
The reset button is used to perform a reset to the switch. It is not used in normal cases and can be used for
diagnostic purpose. If any network hanging problem is suspected, it is useful to push the button to reset the
switch without turning off the power. Check whether the network is recovered.
The button can also be used to restore the software configuration settings to factory default values. The
operations are:
Operation Function
Press the button during system boot-up and release Restore factory default settings
it after boot-up. The boot-up takes about 27 seconds
and ends with LED diagnostics.
Press the button and release during switch operation Re-boot the switch unit
The operations are:
Operation Function
Press the button and release during switch operation Reset & boot up the switch. The behavior is
same as power boot procedure.
Press the button until MGT-LED steady ON Boot & restore all factory default settings
2.7 Making UTP Connections
The 10/100/1000 RJ-45 copper ports support the following connection types and distances:
Network Cables
10BASE-T: 2-pair UTP Cat. 3, 4, 5, EIA/TIA-568B 100-ohm
100BASE-TX: 2-pair UTP Cat. 5, EIA/TIA-568B 100-ohm
1000BASE-T: 4-pair UTP Cat. 5 or higher (Cat.5e is recommended), EIA/TIA-568B 100-ohm
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Link distance: Up to 100 meters
Auto MDI/MDI-X Function
This function allows the port to auto-detect the twisted-pair signals and adapts itself to form a valid MDI to
MDI-X connection with the remote connected device automatically. No matter a straight through cable or
crossover cable are connected, the ports can sense the receiving pair automatically and configure themselves to
match the rule for MDI to MDI-X connection. It simplifies the cable installation.
Auto-negotiation Function
The ports are featured with auto-negotiation function and full capability to support connection to any Ethernet
devices. The port performs a negotiation process for the speed and duplex configuration with the connected
device automatically when each time a link is being established. If the connected device is also
auto-negotiation capable, both devices will come out the best configuration after negotiation process. If the
connected device is incapable in auto-negotiation, the switch will sense the speed and use half duplex for the
connection.
Port Configuration Management
For making proper connection to an auto-negotiation INCAPABLE device, it is suggested to use port control
function via software management to set forced mode and specify speed and duplex mode which match the
configuration used by the connected device.
2.8 Making SFP Fiber Connection
The dual-speed SFP slots, F21 ~ F24 must be installed with an SFP fiber transceiver for making fiber
connection. The switch may come with one or two SFP transceivers pre-installed when it is shipped.
Types of the SFP Fiber transceivers supported:
1000Mbps based 1000BASE-X SFP transceivers
100Mbps based 100BASE-FX SFP transceivers
Installing SFP Fiber Transceiver
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To install an SFP fiber transceiver into SFP slot, the steps are:
1. Turn off the power to the switch.
2. Insert the SFP fiber transceiver into the SFP slot. Normally, a bail is provided for every SFP
transceiver. Hold the bail and make insertion.
3. Until the SFP transceiver is seated securely in the slot, place the bail in lock position.
Connecting Fiber Cables
LC connectors are commonly equipped on most SFP transceivers. Identify TX and RX connector
before making cable connection. The following figure illustrates a connection example between two
fiber ports:
Make sure the Rx-to-Tx connection rule is followed on the both ends of the fiber cable.
Network Cables
Multimode (MMF) - 50/125, 62.5/125
Single mode (SMF) - 9/125
Port Speed Configuration
There are three options for configuring port speed via software for SFP Port 9 and Port 10.
The options are:
Port Mode Description
Auto Auto-detection for the type of the installed SFP transceiver by reading DDM data
100Mbps transceiver: Non-auto-negotiation (forced), 100Mbps, full duplex
1000Mbps transceiver: Auto-negotiation, 1000Mbps, full duplex
100Mbps FDX Non-auto-negotiation (forced), 100Mbps, full duplex
1Gbps FDX Auto-negotiation, 1000Mbps, full duplex
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