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KTI Networks KGS-2423, Installation Manual

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Remark:  IEEE 802.3af standard is often abbreviated as “PoE”. IEEE 802.3at PoE standard is also known as 

“PoE+” or “PoE plus”. 

 

PoE DC IN Contacts 

 Vpoe+ 

input 

 

 Vpoe- 

input 

 

Chassis ground for connecting earth 

 

2.9.2 PoE Power Output 

PoE power on Port RJ-45 jack 

Pin 4,5 

 

Vpoe+ pins 

Pin 7,8 

 

Vpoe- pins 

Cable 

 

Cat.5 or better 

Distance  

100 

meters 

max. 

 

PoE Class Individual Rating 

 

Standard 

Class 

Power output max. 

Max. current 

Limit 

PoE 

Type 1 Class 0 

15.4W 

338mA Vpoe

@

48VDC 425mA 

PoE 

Type 1 Class 1 

4W 

94mA Vpoe

@

48VDC 

425mA 

PoE 

Type 1 Class 2 

7W 

150mA Vpoe

@

48VDC 

425mA 

PoE 

Type 1 Class 3 

15.4W 

338mA Vpoe

@

48VDC 

425mA 

PoE+ 

Type 2 Class 4 

30W 

562mA Vpoe

@

54VDC 850mA 

 

The maximum total of PoE power 

 

Standard PoE 

Class 

Voltages  Power max. 

Total (24 ports) 

PoE 

Class 0 ~ 3 

+45 ~ +57VDC 

15.4W 

15.4 x 24 = 370W 

PoE+ 

Class 4 

+51 ~ +57VDC 

30W 

30 x 24 = 720W 

 

2.9.3 Protection Mechanism 

 

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Event Action 

 

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Incompliant PD discovery  PoE Shut down 

PD disconnection 

PoE Shut down immediately 

Over voltage 

PoE Shut down immediately 

Under voltage 

PoE Shut down immediately 

PD over load *

1

 

PoE Shut down 

-20- 

Summary of Contents for KGS-2423

Page 1: ...KGS 2423 Managed 24 Port Stackable Gigabit Ethernet Switches with 4 SFP Slots Installation Guide DOC 120405 1 ...

Page 2: ...es 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 E mail kti ktinet com URL http www ktinet com International Fax 886 2 269...

Page 3: ...nterference 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 1...

Page 4: ... Fiber Connection 17 2 9 Using Power over Ethernet 19 2 9 1 Applying PoE DC IN power 19 2 9 2 PoE Power Output 20 2 9 3 Protection Mechanism 20 2 10 Making Stack Connection 21 2 11 LED Indication 23 2 12 Making Console Connection 24 3 Managing the Switch Stack 25 3 1 Stack Configuration 25 3 1 1 Stack Configuration via Web Interface 25 3 1 2 Assigning Switch ID 27 3 1 3 Master Switch Election in a...

Page 5: ... 5 3 4 Configuring IP Address via console and telnet 34 3 5 Reference Manuals for Web Console Telnet Management 35 3 6 Configuration for SNMP Management 35 3 7 SNMP MIBs 37 ...

Page 6: ...or more and more Power over Ethernet applications the switch provides optional PoE function on all copper ports With PoE function the ports can deliver power to the connected powered devices over Cat 5 The switches support Telnet CLI Web GUI SNMP and console CLI interface for switch stack management The network administrator can logon the switch to monitor and configure port operating mode Quality...

Page 7: ...ure for half duplex z Supports console and in band Web Telnet SSH HTTPS SNMP CLI interfaces for stack switch management with single IP z Supports configurable maximum frame length from 1518 up to 9600 jumbo frame z Supports port based 802 1Q tag based VLAN and private VLAN z Provides QoS function z Supports port bandwidth control for ingress and egress z Supports packets storm control function for...

Page 8: ...ion 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 z Layer2 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 z Security feat...

Page 9: ...ation Configuration download and upload System syslog z SNMP MIBs 1 2 Product Panels The following figure illustrates the front panel and rear panel of the switch Front panel Rear panel AC powered model AC powered model with PoE 9 ...

Page 10: ... 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 Ca...

Page 11: ...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 por...

Page 12: ...minal block Operating Input Voltages 45 57VDC Mechanical Dimension base 443 x 245 x 43 mm WxDxH Housing Enclosed metal Mounting Desktop mounting 19 rack mounting Environmental Operating Temperature Typical 5o C 40o C Storage Temperature 20o C 85o C Relative Humidity 10 90 non condensing Electrical Approvals FCC Part 15 rule Class A CE EMC CISPR22 Class A Safety TUV LVD TUV IEC60950 1 TUV EN60950 1...

Page 13: ...f 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 z Do not p...

Page 14: ... 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 2 Mount the switch onto 19 inch rack with rack screws securely 14 ...

Page 15: ...fore 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 Voltage Range 90 264VAC Frequency 47 63 Hz Power Consumption 39W max PoE power is excluded 2 5 Applying DC Power Supply If the purchased switch is with DC power input the power connector is sho...

Page 16: ...ll be incorporated external to the equipment 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 so...

Page 17: ...ense 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 aut...

Page 18: ...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 transceiver modules Identify TX and RX connector before making cable connection 18 ...

Page 19: ... leave the default port configuration Auto for fiber connection 2 9 Using Power over Ethernet The PoE featured switch models can deliver PoE power via the UTP connection over all copper ports They require an external DC power input dedicated for PoE connections 2 9 1 Applying PoE DC IN power The PoE DC IN interface is shown below PoE DC power input specifications Receptacle Screw type terminal blo...

Page 20: ...Class 0 15 4W 338mA Vpoe 48VDC 425mA PoE Type 1 Class 1 4W 94mA Vpoe 48VDC 425mA PoE Type 1 Class 2 7W 150mA Vpoe 48VDC 425mA PoE Type 1 Class 3 15 4W 338mA Vpoe 48VDC 425mA PoE Type 2 Class 4 30W 562mA Vpoe 54VDC 850mA The maximum total of PoE power Standard PoE Class Voltages Power max Total 24 ports PoE Class 0 3 45 57VDC 15 4W 15 4 x 24 370W PoE Class 4 51 57VDC 30W 30 x 24 720W 2 9 3 Protecti...

Page 21: ...ogether Up to five switches are allowed to cascade as one single switch stack that is able to support 120 users and 20 fiber connections The stack can also be managed with a single IP address and as a single entity for greater management simplicity The stack ports SA and SB locate on the rear panel as illustrated below To connect two switches via stacking use the stack cable which is bundled in pr...

Page 22: ...k the steps are 1 Follow the connection rule of SA to SB from one switch to another 2 Connect all switches in the stack sequentially via stack cables 3 Make sure all SA to SB connections become a loop as illustrated in the following figure 22 ...

Page 23: ...ort B link down 1000M Port speed status Green ON 1000Mbps is selected and PoE power is OFF BLINK 1000Mbps is selected and PoE power is ON Amber ON 10 100Mbps is selected and PoE power is OFF BLINK 10 100Mbps is selected and PoE power is ON Link Act Port link status Green ON Port link is established No traffic BLINK Port link is up and there is traffic OFF Port link is down F21 Port F21 status Gree...

Page 24: ...ole port is a DB9 connector It serves as an RS 232 DTE port Pin Definitions Pin 2 RXD Pin 3 TXD Pin 5 GND Pin 1 4 6 9 NC Use simple RS232 null modem without handshaking to connect the console port to PC s DB9 COM port as follows Console Pins COM Port Pins Pin 2 RXD Pin 3 TXD Pin 3 TXD Pin 2 RXD Pin 5 GND Pin 5 GND Baud Rate Information Baud rate 115200 Data bits 8 Parity none Stop bit 1 Flow contr...

Page 25: ...before they are connected via stack ports Under the condition that all member switches in a stack are with factory default configuration the following default IP and username are used for stack management access Default IP address of the switch 192 168 0 2 255 255 255 0 Fixed Username admin No password The switch uses local authentication instead of RADIUS authentication with factory defaults 3 1 ...

Page 26: ...password No password is required Click OK to login into the switch The following page is displayed after a successful login A stack icon is displayed and each member switch is assigned a unique Switch ID shown on left side The blue block provides menu list for management operations 26 ...

Page 27: ...t the switch has in the master election process The smaller the priority the more likely the switch will become master during the master election process Switch Type The product name of the switch Start Master Election By checking this option the Save operation will also start the master election process Save Click to save the changes Reset Click to reset to default values 3 1 2 Assigning Switch I...

Page 28: ...sume that the failing switch had Switch ID 3 2 Insert the new switch into the stack The new switch is assigned an unused Switch ID 3 To remove the automatic switch ID assignment choose Delete followed by Save The new switch is then shown with Switch ID set to 4 To assign the configuration of Switch ID 3 to the new hardware simply choose 3 in the Switch ID column and click Save The new hardware has...

Page 29: ...with the smallest master priority 4 The switch with the smallest MAC address The above algorithm ensures that once a master has been elected and has been master for more than 30 seconds it will remain master However in some cases the user may want to enforce a new master election This is done by clicking Start Master Election followed by Save This causes the first two criteria to be ignored thereb...

Page 30: ...nfiguration via Telnet Interface Start Telnet with default IP and login the switch with username admin as follows No password is required under factory default settings Telnet command syntax and command groups are 30 ...

Page 31: ...he IP address of the elected master switch is used as the IP address of the stack The switch is shipped with the following factory default settings for software management Default IP address of the switch 192 168 0 2 255 255 255 0 Fixed Username admin Default password The switch uses local authentication instead of RADIUS authentication with factory defaults No password is required with factory de...

Page 32: ...this switch unit VLAN ID Provide the managed VLAN ID The allowed range is 1 through 4095 DNS Server Provide the IP address of the DNS Server in dotted decimal notation DNS Proxy When DNS proxy is enabled the switch will relay DNS requests to the current configured DNS server and reply as a DNS resolver to the client device on the network Save Click to save the changes Reset Click to undo any chang...

Page 33: ...on web page Configuration Description Auto Configuration Enable IPv6 auto configuration by checking this box If fails the configured IPv6 address is zero The router may delay responding to a router solicitation for a few seconds the total time needed to complete auto configuration can be significantly longer Address Provide the IPv6 address of this switch IPv6 address is in 128 bit records represe...

Page 34: ...ol is a special syntax that can be used as a shorthand way of representing multiple 16 bit groups of contiguous zeros but it can only appear once It also used a following legally IPv4 address For example 192 1 2 34 VLAN ID Provide the managed VLAN ID The allowed range is 1 through 4095 Save Click to save the changes Reset Click to undo any changes made locally and revert to previously saved values...

Page 35: ... Management The switch supports SNMP v1 SNMP v2c and SNMP v3 management Make sure the related settings are well configured for the switch before you start the SNMP management from an SNMP manager Using Telnet Interface Master Security Switch SNMP Configuration The following are available commands in telnet SNMP command group to configure SNMP related settings SNMP Configuration SNMP Mode enable di...

Page 36: ...5 SHA auth_password DES priv_password SNMP User Delete index SNMP User Changekey engineid user_name auth_password priv_password SNMP User Lookup index SNMP Group Add security_model security_name group_name SNMP Group Delete index SNMP Group Lookup index SNMP View Add view_name included excluded oid_subtree SNMP View Delete index SNMP View Lookup index SNMP Access Add group_name security_model secu...

Page 37: ...SNMP MIBs The switch provides the following SNMP MIBs RFC 1213 MIB II RFC 4188 Bridge MIB RFC 3635 Ethernet like MIB RFC 2863 Interface Group MIB using SMI v2 RFC 2933 IGMP MIB RFC 3636 802 3 Medium Attachment Units MAUs MIB RFC 4133 Entity MIB v3 IEEE 802 3AB LLDP MIB RFC 4668 RADIUS Authentication Client MIB RFC 4670 RADIUS Accounting Client MIB RFC 2674 VLAN MIB RFC 3414 User based Security Mod...

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