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III. Configuration and Specification

Telephone line

PBX

SUBSCRIBER

MDF

Internet

Distance 500M

Distance 500M

Symmetric 5Mbps

Symmetric 5Mbps

DHC-245

100M 

Ethernet

Ethernet
100Base-T

DHS-025W

• Central Unit : DHC-245 (Concentrate 24 Subscribers)

• Subscriber Unit : DHS-025W

Distance

: 500M

1. Network Diagram

Ethernet
100Base-T

Содержание DHC-245

Страница 1: ...www dextranet com ...

Страница 2: ...n IV Installation Procedure 1 Preparation of installation 2 Wiring in MDF room V Bridged Environment 1 Definition of filters 2 How to use filters 3 Solution for bridged tabs VI Network management function 1 Overview 2 Features 3 How to run DHC 245 management function 4 How to access management function via serial interface 5 How to access management function via web browser ...

Страница 3: ...telephone lines and line interface technology Without wiring additional UTP cables that is only with the existing telephone line it allows you to enjoy speedy data transmission 5Mbps enough to send moving pictures beyond MPEG 2 As such it fully meets the requirements of service providers as well as subscribers providing a cost effective way for high speed Internet service Dextranet PDSL 5M include...

Страница 4: ...ng per subscriber System Management Function Cost effective solution for hotels and apartments Integrated with Ethernet switching function Cost Effective Stable data transmission of 5Mbps up to 500m distance No speed degradation according to the distance Stability Subscriber packet classification by V LAN tagging Billing function Half duplex communication based on CSMA CA Carrier Sense Multiple Ac...

Страница 5: ... line PBX SUBSCRIBER MDF Internet Distance 500M Distance 500M Symmetric 5Mbps Symmetric 5Mbps DHC 245 100M Ethernet Ethernet 100Base T DHS 025W Central Unit DHC 245 Concentrate 24 Subscribers Subscriber Unit DHS 025W Distance 500M 1 Network Diagram Ethernet 100Base T ...

Страница 6: ... and DHS 025W ACT Indicates data transmission every frame transmission makes ACT LED turned on 0 5 second f RS 232C Port A serial port to set up the system configuration of DHC 245 and monitoring the port status 57600 bps 8 data 1 stop bit g Uplink Port 100Base T Ethernet Interface Auto negotiation of speed 10 100 duplex half full Link and ACT LED 2 Configuration c d ...

Страница 7: ...ne Port 23 CO Line Port 24 CO Line Port 1 Subscriber Port 2 Subscriber Port 3 Subscriber Port 4 Subscriber Port 5 Subscriber Port 6 Subscriber Port 7 Subscriber Port 8 Subscriber Port 23 Subscriber Port 24 Subscriber 1 25 50 26 Separate connectors for CO PBX Central Office PBX line and subscriber line Connector for CO line port 1 pin 1 26 and 24 pin 24 49 NC pin 25 50 Connector for subscriber same...

Страница 8: ...n Control speed and duplex 10 100Mbps Half Full duplex 10 100Base T X 1 Uplink Interface 4 5 Kg Weight width X length X height 440 X 331 X 48 mm Size 24 subscribers Subscribers CPEV KS 0 5 mm Max 500m Service Distance Telephone and Internet service over 1 pair of line 2 Wire per subscriber CPEV cable Subscriber line One for Central Office PBX line One for Subscriber line RJ 21 50 Pin x 2 Rear Syst...

Страница 9: ...ll the equipment in prompt and accurate manner and provides you with easy approach for after sales service Listed below are the information required for environmental survey In house wiring diagram Types and features of subscriber line between MDF and subscriber category class and line thickness Space for equipment installation and environmental elements ventilation drainage and power etc If there...

Страница 10: ...iber lines category class and thickness Features of subscriber lines determine the amount of signal loss and interference between subscriber lines CAT3 4 5 twisted pair cable is generally recommended for lossless data communication However untwisted cable e g TIV and SH cable which may result excessive interference are not recommended Also bridged tabs especially with open end point may result sev...

Страница 11: ...tallation site This is to ensure successful equipment installation and endure the rainy season or hot temperatures Be mindful that dust may damage system components if they are installed in such places If there is any spare line If there is any spare lines it is strongly recommended to use spare lines for subscriber connection It can reduce the time and efforts to install the system because it doe...

Страница 12: ...er Line Connector c Connection to CO PBX and subscriber line Connect the line from the telephone office PBX to the CO PBX line connector and connect the line from the subscriber to the subscriber line connector in case of using telephone line d Connection to subscriber line only Connect the line from the subscriber to the subscriber line connector in case of using spare line CROSSOVER ETHERNET ...

Страница 13: ...com 3 Connecting numbers of DHC 245s Connect the Ethernet cable between the Ethernet switch and the uplink port of DHC 245 Uplink or anyone port of Ethernet switch should be connected to gateway router or billing server ...

Страница 14: ...install the equipment by connecting the subscriber line to DHC 245 subscriber connector if there are spare lines available Spare line can prevent the problems that may be caused when voice and data is transferred over a pair of line simultaneously CO MDF DHC 245 Spare line Main line Subscriber Line Connector ...

Страница 15: ...sed for both voice and data signals cut the CO line connected to the line distribution panel and connect it to pins 1 and 26 incoming CO lines of the DHC245 Then connect the subscriber line pins on the line distribution panel to the subscriber line connector 1 26 25 50 1 26 DHC 245 1 25 26 50 CO line 1 26 Line Distribution Panel X Subscriber line cutting ...

Страница 16: ...nication lines the data signal flows on both lines If the line end point is not terminated properly the data signal is reflected back from the end point and makes collision at the bridged point causing severe signal loss In order to solve this problem a bridge filter should be used to block the reflected wave Telephone filter bridge filter and terminal filter can be used to solve the problems acco...

Страница 17: ...on A bridge filter is installed between main line and bridged telephone line The filter blocks the data signal only and telephone signal flows the filter without attenuation Terminal filter Bridge filter This filter is used to prevent data signal attenuation caused by the telephone It passes voice signal only and blocks data signal Telephone filter is used when connecting a telephone in the middle...

Страница 18: ...lization as the terminal filter connecting the filter to the open end point of the telephone line connect the line side of RJ 11 connector to the incoming line part RJ 11 wall jack and enable termination function by the strap inside of the filter 2 How to use the filters The included Telephone filter provides the functions of both the telephone filter and the terminal filter It would be possible t...

Страница 19: ...g slides 1 Connecting the telephone at the middle point where the line is bridged Use the telephone filter 2 Connecting the telephone at the end of the line Use the terminal filter to prevent reflected waves that may occur at the end of the line Data signal Telephone signal Telephone filter DHS 025W Terminal filter DHS 025W Data signal Telephone signal ...

Страница 20: ...lters can be used However if more telephones are connected the bridge filter is strongly recommended at the bridged point to prevent data signal attenuation 4 If no device is installed at the end of bridged line Use the terminal filter at the end of the line to prevent the reflected wave Terminal filter Telephone filter DHS 025W Bridge filter Data signal Telephone signal Terminal filter DHS 025W D...

Страница 21: ...nfiguration VLAN configuration and port configuration The functions run in the following two ways c Access via serial interface Set system IP address subnet mask default path and related data Change the serial interface parameters Set and monitor the status statistics VLAN via a CLI Command Line Interface d Access via Ethernet ports Set and monitor the status statistics VLAN via a CLI Set and moni...

Страница 22: ... various system status such as system memory status d Switch configuration Set VLAN mode and VLAN configuration Set aging time Set priority control mode e Port configuration Set port specific mode including MAC filtering mode Monitor port statistics data f V LAN management Monitor V LAN group Add change delete V LAN group g Others Change password Set network management function based on SNMP ...

Страница 23: ...l port on your PC in order to access DHC245 management function Enter system ID and password at the login prompt The default is admin for both system ID and password d Setup via Ethernet port A Connect an Ethernet cable between Ethernet port of DHC245 and PC B Checks that the link LED turns on This means that communication link between DHC245 and PC is successfully established C Access management ...

Страница 24: ...tem functions other than IP address changes c The serial port configuration of PC should be set as shown below Connect the cables provided with the system between serial ports of DHC245 and PC A 57600bps No parity 8 bits data 1 stop bit B No Flow Control d Management system setting After the system booting is completed the following prompt appears requesting system ID and password The default valu...

Страница 25: ... can list up some commands available for general user mode by using help command ㆍHELP shows the commands available for user mode ㆍPM goes to privileged mode ㆍEXIT logout ㆍHISTORY lists the previously executed commands ㆍ retries the previous command ㆍSHOWSYS shows system information ...

Страница 26: ...26 www dextranet com ㆍPING Tests the communication status between the DHC245 and specified host ping host_addr options ㆍLV shows the configuration of IEEE802 1q VLAN lv vlan_number1 vlan_number2 ...

Страница 27: ...27 www dextranet com ㆍLP shows the configuration of port based VLAN lp port_number1 port_number2 ...

Страница 28: ...28 www dextranet com ㆍPORTDB shows the traffic statistics of a specified port portdp port_num ㆍCAT shows the contents of a specified file cat filename ...

Страница 29: ...29 www dextranet com ㆍPORTSTATUS shows the status of all the subscriber ports portstatus port_num ...

Страница 30: ...30 www dextranet com f Log into privileged mode g You can list up the available commands for privileged mode by using help command ...

Страница 31: ...vileged mode ㆍ EXIT logout privileged mode ㆍ HISTORY lists up the executed commands previously ㆍ executes the previous command repeatedly ㆍ WRFLASH writes the system configuration into the flash memory ㆍRDFLASH restore the system configuration from the flash memory ...

Страница 32: ...32 www dextranet com ㆍSHOWSYS shows the system information ㆍPASSWD changes password for user mode ㆍPMPASSWD changes password for privileged mode ㆍREBOOT reboots the system ...

Страница 33: ...33 www dextranet com ㆍIPSET changes the IP address of DHC245 ㆍPING Tests the communication status between the DHC245 and specified host ping host_addr options ...

Страница 34: ...34 www dextranet com ㆍLV shows the configuration of IEEE 802 1q VLAN lv vlan_number1 vlan_number2 ㆍDV creates a new VLAN group only for tagged VLAN mode dv Tag vlan_id vlan_name ...

Страница 35: ...35 www dextranet com ㆍRV deletes a VLAN group only for tagged VLAN mode rv vlan_id ...

Страница 36: ...net com ㆍAITV adds port members to a specified VLAN group only for tagged VLAN mode aitv Tag set_val port 1 port 2 As an option the command of set_val may include S A or N S Static Member A Aging Member N Non Member ...

Страница 37: ...37 www dextranet com ㆍRIFV deletes port members from the specified VLAN group only for tagged VLAN mode rifv Tag port 1 port 2 ...

Страница 38: ...m ㆍCD changes directory ㆍIP shows the configuration of port based VLAN lp port_number1 port_number2 ㆍSVS changes the current VLAN settings svs vlan_style ㆍAITP adds port members to a specified VLAN group only for port based VLAN mode aitp index port 1 port 2 ...

Страница 39: ...39 www dextranet com ㆍRIFP deletes port members from a specified VLAN group only for port based VLAN mode rifp index port1 port 2 ...

Страница 40: ...www dextranet com ㆍPORTDB shows traffic statistics of a specified port portdp port_num ㆍPORTSTATUS shows the status of all the ports portstatus port_num ㆍDB creates a new port based VLAN group dp VLAN_name ...

Страница 41: ...41 www dextranet com ㆍRP deletes a VLAN group only for port based VLAN mode rp index ...

Страница 42: ...ectory Server ip address Before a file update you have to go to usr directory with cd command If any demon is running stop it with the command of kill ps_id for the update After completing the update you can find the downloaded file in usr directory Try to run the application again ...

Страница 43: ...ment for automatic access which is made by an update command You can set up the serverip with a command of ipset An target server should have been installed ftp server In addition the files to be downloaded should be stored in the default directory of the target server ...

Страница 44: ... only to the switch chip not the system itself Recommended reset time is 300 600sec according to the noise of the environment Shorter reset time should be selected in the noisier environment Periodic switch reset clears traffic statistics of each port but switch configuration parameters keeps same value Refresh mode is disabled after system rebooting ㆍSTOP stops a process stop pid ㆍPS shows the ru...

Страница 45: ... Connect an Ethernet cable between management port of DHC245 and network d Enter the IP address of DHC245 on the web browser of management host e When login window appears enter ID and password and click on the LOGIN button The factory default is admin for both ID and password ...

Страница 46: ...ated window displayed on the main window You can set up or monitor the corresponding functions If there are any changes of configuration you have to click on the Apply button To keep the changes even after system rebooting please click Write to Flash button on the top window The right window of above figure shows the status of all ports ...

Страница 47: ... can modify IP address OID or description in the system configuration window The buttons are used to perform the following functions A Refresh updates the information on the main window with the latest one B Apply applies the configuration changes on the main window C Reset changes the displayed parameters into the stored values in the flash memory ...

Страница 48: ... window displays the switch configuration including VLAN mode and aging time A V LAN mode is available either port based or tag based IEEE 802 1q B Aging time means available period second of learned MAC address Every learned MAC address is deleted from MAC address table of switch chip after aging time passed ...

Страница 49: ...nsmit priority of the specified port 0 high 3 low D Discard Priority determines dropping priority of a received packet E Flow Control enables or disables Ethernet flow control function of specified port which intends to prevent buffer overflow on enable off disable F Filter Untag Frame when enables drops all the packets without VLAN tag field G Filter Tag Frame when enables drops all the packets w...

Страница 50: ...50 www dextranet com ...

Страница 51: ...51 www dextranet com j Serial Configuration If you click on Serial Configuration on the menu window the main window displays the status of the serial port You can change the serial port speed ...

Страница 52: ...52 www dextranet com k Password Change ADMIN mode If you click on Change Password on the menu window the main window displays the items for password change ...

Страница 53: ...e current switch configuration related VLAN group and ports are displayed Ports in a group can communicate with one another Provided that a port belongs to several groups it can communicate with all the ports in the groups The figure below shows the groups and their members of a port based VLAN mode The No column means the index of the group and the letter M indicates that the port is a member of ...

Страница 54: ... can create delete and change VLAN group You can make a VLAN for a group by selecting either M member or N Non member for a port and then clicking Set Port button To delete a VLAN group click the Delete button on the left hand side of the group name DHC245 allows VLAN groups up to 255 ...

Страница 55: ... to a port belongs to same group according to the MAC address and the tag is deleted or included according to the configuration of outgoing port force untag out B VID VLAN ID 1 254 It means you can create tagged VLAN groups up to 254 C NAME VLAN group name possible to give an arbitrary name It corresponds with VLAN ID one to one D S A N means the attribute of the members in a group The letter S A ...

Страница 56: ...tag Out status in the output port configuration determines whether to keep the tag value or delete it before the output B Processing Ethernet frame received by uplink No 26 27 or CPU No 25 ports With IEEE802 1q tag 1 4095 The frame is delivered only to the group port assigned with the tag value and its output port depends on MAC address The Force Untag Out status in the output port configuration d...

Страница 57: ...bers in the group into S static member and click Apply button At this time VLAN ID is created automatically B How to modify a group with specific VLAN ID Select a VLAN ID in the VID drop down menu modify the tags and member configuration and then click Apply button C How to modify a VLAN group with specified tag value Display the target group by selecting the tag value in the Tag drop down menu Mo...

Страница 58: ...58 www dextranet com SNMP CONFIGURATION Trap Message Configuration You can set up the type of SNMP trap messages what the management host will receive ...

Страница 59: ...59 www dextranet com TRAP HOST CONFIGURATION You can set up the host IP addresses for receiving trap message ...

Страница 60: ...60 www dextranet com IP SECURITY CONFIGURATION Registering of an admin IP Only the administration hosts with network address configured in the IP security window can access DHC245 management function ...

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