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Lantech LPES-2208CA User manual
Summary of LPES-2208CA
Page 1
Lantech lpes-2208ca user manual 8 10/100tx + 2 100m/giga sfp combo managed switch w/ 8 poe injectors aug, 2009 & pro-ring system.
Page 2: Revision History
Revision history document release date revision initials 1.00 aug 28, 2009 new edit vincent.
Page 3: Fcc Warning
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 in a residential installation. This equipment generates, uses, an...
Page 4: Content
I content fcc warning ...................................................................................... I ce mark warning ................................................................................ I introduction ............................................................................ ...
Page 5
Ii trunk commands set ..................................................................................... 25 vlan commands set ..................................................................................... 27 spanning tree commands set ..........................................................
Page 6
Iii system event log —smtp configuration ....................................... 60 system event log —event configuration ........................................ 62 sntp configuration ........................................................................ 64 ip security ..............................
Page 7
Iv igmp configuration ...................................................................... 110 pro- ring ........................... ........................................................... 112 security —802.1x/radius configuration ........................................ 113 system configurati...
Page 8: Introduction
1 introduction power-over-ethernet (poe) eliminates the need to run vac power to other devices on a wired lan. Using power-over-ethernet system installers needs to run only a single category 5 ethernet cable that carries both power and data to each device. This allows greater flexibility in the loca...
Page 9: Features
2 features system interface/performance rj-45 ports support auto mdi/mdi-x function embedded 8-port poe function store-and-forward switching architecture back-plane (switching fabric): 5.6gbps 1mbits packet buffer 8k mac address table vlan port based vlan supports 802.1 q tag vla...
Page 10
3 provides redundant backup feature and the recovery time below 300ms bandwidth control ingress packet filter and egress rate limit broadcast / multicast / flooded unicast packet filter control system event log system log server/client smtp e-mail alert snmp trap device cold start ...
Page 11: Hardware Feature
4 hardware feature standard ieee802.3 10base-t ieee 802.3u 100base-tx ieee 802.3z gigabit fiber ieee 802.3ab 1000base-t ieee 802.3x flow control and back pressure ieee 802.3ad port trunk with lacp ieee 802.1d spanning tree protocol ieee 802.1w rapid spanning tree ieee 802.1p class of service ieee 80...
Page 12
5 connector 100base-t: 8x rj-45 with auto mdi/mdi-x and poe inject function 10/100/1000t/ 100/1000mini-gbic combo: 2 x rj-45 + 2 x 100/1000 sfp sockets poe pin assignment rj-45 port # 1~# 8 support ieee 802.3af end-point, alternative a mode. Per port provides 15.4w ability positive (vcc+): rj-45 pin...
Page 13
6 storage environment -40 o c ~ 70 o c, 5%~95%rh dimensions 217mm(w) x 43mm(h) x 140mm(d) emi fcc class a ce safety lvd.
Page 14: Software Feature
7 software feature management snmp v1 snmp v2c snmp v3 web/telnet/console (cli) vlan port based vlan ieee802.1q tag vlan(256 entries) / vlan id(up to 4k, vlan id can be assigned from 1 to 4094) gvrp (256 groups) port trunk with lacp lacp port trunk: 4 trunk groups of maximum 4 trunk members spanning...
Page 15
8 port mirror supports 3 mirroring types: ―rx, tx and both packet ‖ igmp supports igmp snooping v1 and v2 256 multicast groups igmp query mode ip security supports 10 ip addresses that have permission to access the switch management to prevent unauthorized intruder bandwidth control ingress rate lim...
Page 16
9 trap station up to 3 dhcp provide dhcp client/dhcp server/ip binding functions dns provides dns client feature and supports primary and secondary dns server sntp supports simple network time protocol to synchronize system clock in internet firmware upgrade supports tftp firmware upgrade configurat...
Page 17: Package Contents
10 package contents unpack the packing of the poe managed switch then verify them against the checklist below. poe managed switch x 1 rubber pads x 4 rs-232 cable x 1 power adaptor x 1 power cord x 1 user manual x 1 compare the contents of the package with the standard checklist above. If an...
Page 18: Hardware Description
11 hardware description this section mainly describes the hardware of the poe managed switch and gives a physical and functional overview on the certain switch. Physical dimension the physical dimensions of 8 10/100tx + 2 10/100/1000t / 100/1000mini-gbic combo with 8 poe managed switch are 217mm(w) ...
Page 19
12 crossover cabling. Mini-gbic port: the appropriate replaceable mini-gbic port is available with a variety of different transmitter and receiver types, allowing users to select the appropriate transceiver for each link to provide the required optical reach over the available optical fiber type. Le...
Page 20: Rear Panel
13 rear panel the power plug is located on the rear panel of the 8 10/100tx + 2 10/100/1000t / 100/1000mini-gbic combo with 8 poe managed switch as shown below. The switch will work with ac in the voltage range of ac 100-240v with frequency of 50-60hz. The rear panel of 8 10/100tx + 2 10/100/1000t /...
Page 21: Desktop Installation
14 desktop installation set the switch on a sufficiently large flat space with a power outlet nearby. The surface where you put the switch should be clean, smooth, level and sturdy. Make sure there is enough space around the switch to allow air circulation. Attaching rubber pads a. Make sure mountin...
Page 22: Network Application
15 network application this section provides a few samples of network topology in which the switch is used. In general, the poe managed switch is designed as a segment switch which has large address table (8k mac addresses) and high performance to deal with interconnecting networking segments. Using...
Page 23: Segment Bridge
16 segment bridge for enterprise networks where large data broadcasts are constantly processed, this switch is an ideal solution for department users to connect to the corporate backbone. In the illustration below, two managed poe switches with pcs, print server, local server, wireless ap (ieee 802....
Page 24: Console Management
17 console management login in the console interface when the connection between switch and pc is ready, turn on the pc and run a terminal emulation programor hyper terminal and configure its communication parameters to match the following default characteristics of the console port: baud rate: 9600...
Page 25: Cli Management
18 cli management the system supports console management —cli command. After you log in to the system, you will see a command prompt. To enter cli management interface, enter ―enable‖ command. The following table lists the cli commands and description. Cli command interface commands level modes acce...
Page 26
19 • display advanced function status • save configuration global configura tion enter the configure command while in privileged exec mode. Switch (config)# to exit to privileged exec mode, enter exit or end use this mode to configure parameters that apply to your switch as a whole. Vlan database en...
Page 27
20 commands set list user exec e privileged exec p global configuration g vlan database v interface configuration i system commands set commands level description example show config e show switch configuration switch>show config show terminal p show console information switch#show terminal write me...
Page 28
21 [gateway] ip dhcp g enable dhcp client function of switch switch(config)#ip dhcp show ip p show ip information of switch switch#show ip no ip dhcp g disable dhcp client function of switch switch(config)#no ip dhcp reload g halt and perform a cold restart switch(config)#reload default g restore to...
Page 29
22 switch(config)#dhcpserver ipbinding 192.168.1.1 show dhcpserver configuration p show configuration of dhcp server switch#show dhcpserver configuration show dhcpserver clients p show client entries of dhcp server switch#show dhcpserver clients show dhcpserver ip-binding p show ip-binding informati...
Page 31
24 multicast, and flooded unicast frame ‘ broadcast-multicast-flooded-uni cast bandwidth type broadcast-multicast i set interface ingress limit frame type to ‗accept broadcast and multicast frame‘ switch(config)#interface fastethernet 2 switch(config-if)#bandwidth type broadcast-multicast bandwidth ...
Page 32
25 the state mode of operation for ethernet ports. Use the disable form of this command to disable the port. Show interface configuration i show interface configuration status switch(config)#interface fastethernet 2 switch(config-if)#show interface configuration show interface status i show interfac...
Page 33
26 workp [workport] [port-list]:member port list, this parameter could be a port range(ex.1-4) or a port list separate by a comma(ex.2, 3, 6) [workport]: the amount of work ports, this value could not be less than zero or be large than the amount of member ports. Switch(config)#aggregator group 2 1,...
Page 35
28 can ‘t be applied. Vlan 8021q port [portnumber] trunk-link tag [taggedvid list] v assign a trunk link for vlan by port, if the port belong to a trunk group, this command can ‘t be applied. Switch(vlan)#vlan 8021q port 3 trunk-link tag 2,3,6,99 or switch(vlan)#vlan 8021q port 3 trunk-link tag 3-20...
Page 36
29 spanning-tree priority [0~61440] g configure spanning tree priority parameter switch(config)#spanning-tree priority 32768 spanning-tree max-age [seconds] g use the spanning-tree max-age global configuration command to change the interval between messages the spanning tree receives from the root s...
Page 37
30 specified spanning-tree instances. The forwarding time determines how long each of the listening and learning states last before the port begins forwarding. Stp-path-cost [1~200000000] i use the spanning-tree cost interface configuration command to set the path cost for spanning tree protocol (st...
Page 40
33 table no igmp g disable igmp snooping function switch(config)#no igmp no igmp query g disable igmp query switch#no igmp query mac / filter table commands set commands level description example mac-address-table static hwaddr [mac] i configure mac address table of interface (static). Switch(config...
Page 41
34 snmp commands set commands level description example snmp system-name [system name] g set snmp agent system name switch(config)#snmp system-name l2switch snmp system-location [system location] g set snmp agent system location switch(config)#snmp system-location lab snmp system-contact [system con...
Page 44
37 information fastethernet 2 switch(config-if)#show monitor no monitor i disable source port of monitor function switch(config)#interface fastethernet 2 switch(config-if)#no monitor 802.1x commands set commands level description example 8021x enable g use the 802.1x global configuration command to ...
Page 45
38 the shared key value. 8021x system nasid [words] g use the 802.1x system nasid global configuration command to change the nas id switch(config)# 8021x system nasid test1 8021x misc quietperiod [sec.] g use the 802.1x misc quiet period global configuration command to specify the quiet period value...
Page 50
43 systemlog no event smpt i disable port event for smtp switch(config)#interface fastethernet 3 switch(config-if)#no event smtp sntp commands set commands level description example sntp enable g enable sntp function switch(config)#sntp enable sntp daylight g enable daylight saving time, if sntp fun...
Page 51
44 timzezone ‘ command to get more information of index number show sntp p show sntp information switch#show sntp show sntp timezone p show index number of time zone list switch#show sntp timezone no sntp g disable sntp function switch(config)#no sntp no sntp daylight g disable daylight saving time ...
Page 52
45 no ring couplering g disable couple ring switch(config)# no ring couplering no ring dualhoming g disable dual homing switch(config)# no ring dualhoming.
Page 53: Web-Based Management
46 web-based management this section introduces the configuration and functions of the web-based management. About web-based management there is an embedded html web site residing in flash memory on cpu board of the switch, which offers advanced management features and allows users to manage the swi...
Page 54: System Login
47 system login 1. Launch the internet explorer on the pc 2. Key in ―http:// ―+‖ the ip address of the switch‖, and then press ―enter‖. 3. The login screen will appear right after 4. Key in the user name and password. The default user name and password are the same as ‗root‘. 5. Press enter or click...
Page 55: System Information
48 system information user can assign the system name, description, location and contact personnel to identify the switch. The version table below is a read-only field to show the basic information of the switch. system name: assign the system name of the switch (the maximum length is 80 bytes) ...
Page 56: Ip Configuration
49 ip configuration the switch is a network device which needs to be assigned an ip address for being identified on the network. Users have to decide a means of assigning ip address to the switch. dhcp client: enable or disable the dhcp client function. When dhcp client function is enabled, the sw...
Page 57
50 ip configuration interface.
Page 58: Dhcp Configuration
51 dhcp configuration dhcp is the abbreviation of dynamic host configuration protocol that is a protocol for assigning dynamic ip addresses to devices on a network. With dynamic addressing, a device can have a different ip address every time it connects to the network. In some systems, the device's ...
Page 59
52 dhcp server configuration the system provides the dhcp server function. Enable the dhcp server function, the switch system will be a dhcp server. dhcp server: enable or disable the dhcp server function. Enable —the switch will be the dhcp server on your local network low ip address: the dynam...
Page 60
53 dhcp client entries when the dhcp server function is enabled, the system will collect the dhcp client information including the assigned ip address, the mac address of the client device, the ip assigning type, status and lease time. Dhcp client entries interface.
Page 61
54 port and ip binding assign the dynamic ip address bound with the port to the connected client. The user is allowed to fill each port column with one particular ip address. When the device is connecting to the port and asks for ip assigning, the system will assign the ip address bound with the por...
Page 62: Tftp - Update Firmware
55 tftp - update firmware it provides the functions allowing the user to update the switch firmware via the trivial file transfer protocol (tftp) server. Before updating, make sure the tftp server is ready and the firmware image is located on the tftp server. tftp server ip address: key in the tft...
Page 63
56 tftp - restore configuration you can restore a previous backup configuration from the tftp server to recover the settings. Before doing that, you must locate the image file on the tftp server first and the switch will download back the flash image. tftp server ip address: type in the tftp serve...
Page 64
57 tftp - backup configuration you can back up the current configuration from flash rom to the tftp server for the purpose of recovering the configuration later. It helps you to avoid wasting time on configuring the settings by backing up the configuration. tftp server ip address: type in the tftp...
Page 65: System Event Log
58 system event log configuration this page allows the user to decide whether to send the system event log, and select the mode which the system event log will be sent to client only, server only, or both client and server. What kind of event log will be issued to the client/server depends on the se...
Page 66
59 syslog configuration interface.
Page 67: System Event Log
60 system event log —smtp configuration simple mail transfer protocol (smtp) is the standard for email transmissions across the network. You can configure the smtp server ip, sender, mail account, password, and the recipient email addresses which the e-mail alert will send to. There are also four ty...
Page 68
61 smtp configuration interface.
Page 69: System Event Log
62 system event log —event configuration having ticked the syslog/smtp checkboxes, the event log/email alert will be sent to the system log server and the smtp server respectively. Also, port event log/alert (link up, link down, and both) can be sent to the system log server/smtp server respectively...
Page 70
63 event configuration interface.
Page 71: Sntp Configuration
64 sntp configuration sntp (simple network time protocol) is a simplified version of ntp which is an internet protocol used to synchronize the clocks of computers to some time reference. Because time usually just advances, the time on different node stations will be different. With the communicating...
Page 72
65 ast - atlantic standard edt - eastern daylight -4 hours 8 am est - eastern standard cdt - central daylight -5 hours 7 am cst - central standard mdt - mountain daylight -6 hours 6 am mst - mountain standard pdt - pacific daylight -7 hours 5 am pst - pacific standard adt - alaskan daylight -8 hours...
Page 73
66 wast - west australian standard +7 hours 7 pm cct - china coast, ussr zone 7 +8 hours 8 pm jst - japan standard, ussr zone 8 +9 hours 9 pm east - east australian standard gst guam standard, ussr zone 9 +10 hours 10 pm idle - international date line nzst - new zealand standard nzt - new zealand +1...
Page 74
67 click apply to have the configuration take effect. Sntp configuration interface.
Page 75: Ip Security
68 ip security ip security function allows the user to assign 10 specific ip addresses that have permission to manage the switch through the http and telnet services for the securing switch management. The purpose of giving the limited ip addresses permission is to allow only the authorized personne...
Page 76
69 ip security interface.
Page 77: User Authentication
70 user authentication change web management login user name and password for the management security issue. user name: type in the new user name (the default is ‗root‘) password: type in the new password (the default is ‗root‘) confirm password: re-type the new password and then, click appl...
Page 78: Port Statistics
71 port statistics the following chart provides the current statistic information which displays the real-time packet transfer status for each port. The user might use the information to plan and implement the network, or check and find the problem when the collision or heavy traffic occurs. port:...
Page 79
72 port statistics interface.
Page 80: Port Control
73 port control in port control you can configure the settings of each port to control the connection parameters, and the status of each port is listed beneath. port: use the scroll bar and click on the port number to choose the port to be configured. state: current port state. The port can be s...
Page 81
74 port control interface.
Page 82: Port Trunk
75 port trunk port trunking is the combination of several ports or network cables to expand the connection speed beyond the limits of any one single port or network cable. Link aggregation control protocol (lacp), which is a protocol running on layer 2, provides a standardized means in accordance wi...
Page 83
76 ports and click remove . when lacp enabled, you can configure lacp active/passive status for each port on the state activity tab. click apply . use delete to delete trunk group. Select the group id and click delete . Port trunk —aggregator setting interface (four ports are added to the left...
Page 84
77 port trunk —aggregator information lacp disabled having set up the aggregator setting with lacp disabled, you will see the local static trunk group information on the tab of aggregator information. Assigning 2 ports to a trunk group with lacp disabled static trunking group information group k...
Page 85
78 port member: this is a read-only column field that displays the members of this static trunk group..
Page 86
79 lacp enabled having set up the aggregator setting with lacp enabled, you will see the trunking group information between two switches on the tab of aggregator information. switch 1 configuration 1. Set system priority of the trunk group. The default is 1. 2. Select a trunk group id by pull do...
Page 87
80 aggregation information of switch 1 5. Click on the tab of aggregator information to check the trunked group information as the illustration shown above after the two switches configured..
Page 88
81 switch 2 configuration switch 2 configuration interface 1. Set system priority of the trunk group. The default is 1. 2. Select a trunk group id by pull down the drop-down menu bar. 3. Enable lacp. 4. Include the member ports by clicking the add button after selecting the port number and the col...
Page 89
82 5. Click on the tab of aggregator information to check the trunked group information as the illustration shown above after the two switches configured..
Page 90
83 port trunk —state activity having set up the lacp aggregator on the tab of aggregator setting, you can configure the state activity for the members of the lacp trunk group. You can tick or cancel the checkbox beside the state label. When you remove the tick mark of the port and click apply , the ...
Page 91
84 state activity of switch 2.
Page 92: Port Mirroring
85 port mirroring the port mirroring is a method for monitor traffic in switched networks. Traffic through ports can be monitored by one specific port, which means traffic goes in or out monitored (source) ports will be duplicated into mirror (destination) port. destination port: there is only one...
Page 93: Rate Limiting
86 rate limiting you can set up every port ‘s bandwidth rate and frame limitation type. ingress limit frame type: select the frame type that wants to filter. There are four frame types for selecting: all broadcast/multicast/flooded unicast broadcast/multicast broadcast only broadcast/multi...
Page 94
87 specified rate ingress: enter the port effective ingress rate (the default value is ―0‖). egress: enter the port effective egress rate (the default value is ―0‖). and then, click apply to apply the settings.
Page 95: Vlan Configuration
88 vlan configuration a virtual lan (vlan) is a logical network grouping that limits the broadcast domain, which would allow you to isolate network traffic, so only the members of the same vlan will receive traffic from the ones of the same vlan. Basically, creating a vlan on a switch is logically e...
Page 96
89 vlan configuration —port-based vlan a port-based vlan basically consists of its members —ports, which means the vlan is created by grouping the selected ports. This method provides the convenience for users to configure a simple vlan easily without complicated steps. Packets can go among only mem...
Page 97
90 click add to add a new vlan group (the maximum vlan groups are up to 64). Vlan —port based add interface enter the group name and vlan id. Add the selected port number into the right field to group these members to be a vlan group, or remove any of them listed in the right field from the vlan...
Page 98
91 you will see the vlan list displays. Vlan —port based edit/delete interface use delete to delete the vlan. use edit to modify group name, vlan id, or add/remove the members of the existing vlan group. [note] remember to execute the ―save configuration‖ action, otherwise the new configuratio...
Page 99
92 802.1q vlan virtual local area network (vlan) can be implemented on the switch to logically create different broadcast domain. When the 802.1q vlan function is enabled, all ports on the switch belong to default vlan of vid 1, which means they logically are regarded as members of the same broadcas...
Page 100
93 802.1q configuration pull down the selection item and focus on 802.1q then press apply to set the vlan operation mode in 802.1q mode. enable gvrp protocol: gvrp (garp vlan registration protocol) is a protocol that facilitates control of virtual local area networks (vlans) within a larger netw...
Page 101
94 trunk link: a segment which provides the link path for one or more vlan-aware devices (switches). A trunk port, connected to the trunk link, has an understanding of tagged frame, which is used for the communication among vlans across switches. Which frames of the specified vids will be forwarde...
Page 102
95 802.1q vlan interface group configuration edit the existing vlan group. select the vlan group in the table list. click edit ..
Page 103
96 group configuration interface you can modify the vlan group name and vlan id. Group configuration interface click apply ..
Page 104: Rapid Spanning Tree
97 rapid spanning tree the rapid spanning tree protocol (rstp) is an evolution of the spanning tree protocol and provides for faster spanning tree convergence after a topology change. The system also supports stp and the system will auto-detect the connected device that is running stp or rstp protoc...
Page 105
98 rstp system configuration interface.
Page 106
99 rstp —port configuration this web page provides the port configuration interface for rstp. You can assign higher or lower priority to each port. Rapid spanning tree will have the port with the higher priority in forwarding state and block other ports to make certain that there is no loop in the l...
Page 107
100 rstp port configuration interface.
Page 108: Snmp Configuration
101 snmp configuration simple network management protocol (snmp) is the protocol developed to manage nodes (servers, workstations, routers, switches and hubs etc.) on an ip network. Snmp enables network administrators to manage network performance, find and solve network problems, and plan for netwo...
Page 109
102 snmp system configuration interface.
Page 110
103 trap configuration a trap manager is a management station that receives the trap messages generated by the switch. If no trap manager is defined, no traps will be issued. To define a management station as a trap manager, assign an ip address, enter the snmp community strings, and select the snmp...
Page 111
104 snmpv3 configuration configure the snmp v3 function. Context table configure snmp v3 context table. Assign the context name of context table. Click apply to add context name. User profile configure snmp v3 user table.. user id: set up the user name. authentication password: set up the authen...
Page 112
105 snmp v3 configuration interface.
Page 113
106 access table configure snmp v3 access table. context prefix: set up the context name. group name: set up the group. security level: set up the access level. context match rule: select the context match rule. read view name: set up the read view. write view name: set up the write view...
Page 114: Qos Configuration
107 qos configuration quality of service (qos) is the ability to provide different priority to different applications, users or data flows, or to guarantee a certain level of performance to a data flow. Qos guarantees are important if the network capacity is insufficient, especially for real-time st...
Page 115
108 qos configuration interface port-based priority configure per port priority level..
Page 116
109 port: each port has 4 priority levels – high, middle, low, and lowest. click apply . Cos configuration set up the cos priority level. cos priority: set up the cos priority level 0~7 –high, middle, low, lowest. click apply . Tos configuration set up the tos priority. tos priority: the s...
Page 117: Igmp Configuration
110 igmp configuration the internet group management protocol (igmp) is an internal protocol of the internet protocol (ip) suite. Ip manages multicast traffic by using switches, routers, and hosts that support igmp. Enabling igmp allows the ports to detect igmp queries and report packets and manage ...
Page 118
111 igmp configuration interface.
Page 119: Pro-Ring
112 pro-ring x-ring provides a faster redundant recovery than spanning tree topology. The action is similar to stp or rstp, but the algorithms not the same. In the x-ring topology, every switch should enable x-ring function and assign two member ports in the ring. Only one switch in the x-ring group...
Page 120: Security
113 to be the forwarding port of the ring master switch. enable coupling ring: enable the coupling ring function. Mark the check box to enable the coupling ring function. coupling port: assign the member port which is connected to the other ring group. control port: when couple ring check box ...
Page 121
114 802.1x is an ieee authentication specification which prevents the client from accessing a wireless access point or wired switch until it provides authority, like the user name and password that are verified by an authentication server (such as radius server). System configuration after enabling ...
Page 122
115 802.1x port configuration you can configure 802.1x authentication state for each port. The state provides disable, accept, reject and authorize. reject: the specified port is required to be held in the unauthorized state. accept: the specified port is required to be held in the authorized st...
Page 123
116 misc configuration quiet period: set the period which the port doesn‘t try to acquire a supplicant. tx period: set the period the port waits for retransmit next eapol pdu during an authentication session. supplicant timeout: set the period of time the switch waits for a supplicant response...
Page 124: Mac Address Table
117 mac address table use the mac address table to ensure the port security. Static mac address you can add a static mac address; it remains in the switch's address table, regardless of whether the device is physically connected to the switch. This saves the switch from having to re-learn a device's...
Page 125
118 static mac addresses interface mac filtering by filtering mac address, the switch can easily filter pre-configured mac address and reduce the un-safety. You can add and delete filtering mac address. Mac filtering interface.
Page 126
119 1. Mac address: enter the mac address that you want to filter. 2. Click add . 3. If you want to delete the mac address from filtering table, select the mac address and click delete . All mac addresses you can view the port information of the connected device ‘s mac address and related devices ‘ ...
Page 127: Power Over Ethernet
120 power over ethernet this segment shows the power over ethernet function. Poe status maximum power available: displays the maximum power supply in watt. actual power consumption: this column shows the real-time total power consumption. system power limit: user can modify the value to this c...
Page 128
121 is within the window of the pd signatures, the device is considered to be discovered. start: showing with a tick symbol, the system initializes and resets successfully. and then, click apply to carry into effect. port: the index of poe ports. enable state: check it to enable the poe func...
Page 129: Factory Default
122 factory default reset switch to default configuration. Click reset to reset all configurations to the default value. Factory default interface.
Page 130: Save Configuration
123 save configuration save all configurations that you have made in the system. To ensure the all configuration will be saved. Click save to save the all configuration to the flash memory. Save configuration interface.
Page 131: System Reboot
124 system reboot reboot the switch in software reset. Click reboot to reboot the system. System reboot interface.
Page 132: Troubleshooting
125 troubleshooting this section is intended to help solve the most common problems on the poe managed switch. Incorrect connections the switch port can automatically detect straight or crossover cable when you link switch with other ethernet device. For the rj-45 connector should use correct utp or...
Page 133: Diagnosing Led Indicators
126 faults include excessive cable length and too many repeaters (hubs) between end nodes. In addition, you should make sure that your network topology contains no data path loops. Between any two end nodes, there should be only one active cabling path at any time. Data path loops will cause broadca...
Page 134: Appendix
127 appendix console port pin assignments the db-9 serial port on the switch is used to connect to the switch for out-of-band console configuration. The console —command line interface can be accessed from a terminal or a pc running a terminal emulation program. The pin assignments used to connect t...
Page 135
128 console port to 9-pin dte port on pc switch’s 9-pin serial port ccitt signal pc’s 9-pin dte port 2 rxd 3 txd 3 txd -----------txd ----------> 2 rxd 5 sgnd -----------sgnd ---------- 5 sgnd.