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D-Link DMI-128ESU+ User Manual Download Page 54

D-LINK ISDN TA DMI- 

54 

APPENDIX  

 

APPENDIX 1 DCE 9Pin D Type Connector Definition 

 

1

2

3

5

4

6

7

8

9

 

 

Pin Signal 

Name  Direction 

Description 

3 SD, 

Send 

Data 

Æ

 

DTE send data to TA 

2 

RD, Receive Data 

Å

 

TA send data to DTE 

7 

RS, Request to Send 

Æ

 

DTE request to send data 

8 

CS, Clear to Send 

Å

 

TA inform DTE can to send data 

6 

DR, Data Set Ready 

Å

 

TA is ready receiving command from DTE 

5 

SG, Signal Ground 

Å

 

TA signal ground (GND) 

1 

CD, Carrier Detect 

Å

 

TA inform DTE that has a call incoming already 

4 

ER, Data Terminal Ready 

Æ

 

DTE is ready, it can working now 

9 CI, 

Ring 

Indication 

Å

 

Incoming ring indication 

 

 
 
Terminating Resistor Settings (DIP Switch inside Battery Compartment)  
 

              
               

 

Switch SW2 
DIP Switch 1,2  - ON (default) =100 ohm Terminating    
                                                       Resistor 
DIP Switch 1,2  - OFF              =0 ohm Terminating 
                                                       Resistor 
DIP Switch 3    - OFF (default) =N.A Keep in OFF Mode 
DIP Switch 4    - OFF (default) =N.A Keep in OFF Mode 
 
The Terminating Resistor of 100 ohm should be set in the 
DMI-, when your NT1 is set to 100 ohms, in the 
point-to-point connection, between NT1 and TA.   
   

 

 

 

 

Summary of Contents for DMI-128ESU+

Page 1: ...D LINK ISDN TA DMI 128ESU 1 DMI 128ESU ISDN TERMINAL ADAPTER TA User s Guide Rev 01 February 2004 LIMITED WARRANTY ...

Page 2: ... repair or replace the defective Hardware at no charge to the original owner Such repair or replacement will be rendered by D Link at an Authorized D Link Service Office The replacement Hardware need not be new or of an identical make model or part D Link may in its discretion may replace the defective Hardware or any part thereof with any reconditioned product that D Link reasonably determines is...

Page 3: ...ny claim under this limited warranty must be submitted in writing before the end of the Warranty Period to an Authorized D Link Service Office The claim must include a written description of the Hardware defect or Software nonconformance in sufficient detail to allow D Link to confirm the same The original product owner must obtain a Return Material Authorization RMA number from the Authorized D L...

Page 4: ...ENCE OR DAMAGES OF ANY CHARACTER WHETHER DIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL INCLUDING BUT NOT LIMITED TO DAMAGES FOR LOSS OF GOODWILL WORK STOPPAGE COMPUTER FAILURE OR MALFUNCTION LOSS OF INFORMATION OR DATA CONTAINED IN STORED ON OR INTEGRATED WITH ANY PRODUCT RETURNED TO D LINK FOR WARRANTY SERVICE RESULTING FROM THE USE OF THE PRODUCT RELATING TO WARRANTY SERVICE OR ARISING OUT OF ANY B...

Page 5: ...this publication may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from D Link Corporation D Link Systems Inc as stipulated by the United States Copyright Act of 1976 ...

Page 6: ... 14 5 1 PACKING LIST 14 5 2 WHAT ELSE YOU NEED 15 5 3 INSTALLING THE TA 15 5 4 TIPS ON CONFIGURING WINDOWS 98 NT 2000 15 5 5 Windows 98 2000 and USB 17 5 5 1 Linux operating systems with RS 232 18 5 5 2 USB installation Procedure 19 5 5 4 Tips on configuring your Dial Up Network 25 5 6 VERIFYING YOUR CONNECTION 27 6 AT COMMAND 28 6 1 DESCRIPTION OF AT COMMAND 28 6 1 1 AT Command 28 6 2 AT COMMAND ...

Page 7: ...CONNECT 42 9 3 TYPE AT BUT THE TA DOES NOT RESPOND WITH OK MESSAGE 43 9 4 USING ATD TO CALL BUT NO CARRIER IS DISPLAYED 44 9 5 CANNOT ACCEPT INCOMING DATA CALL 45 9 6 UNABLE TO ACCEPT INCOMING VOICE CALL 46 9 7 CAN NOT USE CALL WAITING 47 9 8 SELF DIAGNOSTICS 48 10 Supplementary Service Function 50 APPENDIX 54 APPENDIX 1 DCE 9PIN D TYPE CONNECTOR DEFINITION 54 APPENDIX 2 DISCONNECT CAUSE INDICATIO...

Page 8: ...int Protocol MLPPP Multi Link PPP BACP Bandwidth Allocation Control Protocol BOD Bandwidth On Demand function With the MLPPP the entire 128k ISDN bandwidth can be used to access the Internet The BOD function can utilize dynamic bandwidth demand under MLPPP connection Under MLPPP data connection the TA will automatically release one B channel for voice communication when the user picks up the phone...

Page 9: ...T interface to NT1 EURO ISDN Two analog ports with RJ11 modular jack One RS232 data port with DB9 Sub male connector One USB port for Windows 98SE ME XP and Windows 2000 LED indication Inner Communication Receive Priority Call Screen Speed Dialing function ITU T V 110 V 120 X 75 X 25 on D protocol Channel bundling function Switching type selection Hardware CTS RTS Software Xon Xoff Flow Control Ne...

Page 10: ... is working on Battery Power 2 CONNECT ON GREEN means TA is connected to the network at 64K ON RED means TA is connected to the network at 128K MLPPP 3 DTR USB ON RED means terminal is connected to PC via DTE Serial Port ON GREEN means terminal is connected to PC via USB port 4 TX RX This LED becomes ON when data is being sent or received 5 LINE ON When TA is connected to S T interface of NT1 S0 b...

Page 11: ...A has a battery power backup solution A total of 6 AA batteries are required to backup the TA Please make sure all 6 batteries are placed correctly in the correct polarity Use Alkaline Batteries for proper operation Battery Mode Operation In case of sudden loss of local power the TA will switch to battery backup mode automatically If all 6 batteries had been installed properly Under the battery ba...

Page 12: ...Service Provider for Internet access C Use regular telephone make calls D Use inner communication between analog port TEL A and TEL B 4 2 Connection With Telephone Fax Locate an available RJ11 modular jack telephone outlet Take one end of the modular cord supplied with the TA and plug it into the analog port TEL A or TEL B modular jack on the back of the TA Plug the other end of the modular cord i...

Page 13: ... PHONE then connect modem s LINE port to TA s TEL A or TEL B port 4 5 Multi Drop Connection To make a multi drop bus connection you can connect the two TAs by the RJ45 cable 4 6 Connection Notification Do not connect two or more telephones on the same port It will affect the Impedance of the telephone set ...

Page 14: ...lowing items TA main unit Female RS232 cable and USB cable Power adapter 230 V ac DC 5V 2 8A S T interface cable User s manual Windows driver disk When you opened your package make sure that all of the above items are included in good order If any of the components were damaged please contact your dealer immediately ...

Page 15: ... if the PC s COM2 which uses IRQ3 is not attached to any device print or mouse etc then your TA can be set to use COM4 with IRQ3 For maximum flexibility your PC supports IRQ2 3 4 5 and 7 However IRQ2 5 and 7 should be used only if you have no other choice Not all PCs and DOS versions support these IRQs IBM PC AT computers and compatibles should be able to use IRQ5 or 7 Check with your PC dealer or...

Page 16: ...on the right hand side 3 After double click Modem icon Modems Properties box appear and show the existing modems which has been installed previously 4 Click Add button to add the TA 5 Tick the box Don t detect my modem Click Next to select TA s driver 6 In Install New Modem click on Have Disk button and put ISDN TA driver disk to corresponding drive ...

Page 17: ... to continue 9 Choose an available COM port which is available It should not conflict other devices and click Next button IN CASE OF USB port installation select the USB port shown in the drop down list after the USB to serial converter is installed 10 Press Finish to complete setup 5 5 Windows 98SE Me 2000 XP USB cable connected 1 Power Plug into power plug and wait 5 seconds and the plug USB cab...

Page 18: ...t the COM port which was created By USB to Serial driver installation 4 Power adapter is needed when USB connector in use because of Analog ports ringing signals 5 5 1 Linux operating systems with RS 232 1 Use KPPP program and directly TTY port where TA is installed Or any similar 2 Set port 230400 or 115200 DTE speed 8 N 1 3 CTS RTS setting ON 4 PPP 64K connection AT A2 5 5 ML PPP 128K AT 2 6 6 I...

Page 19: ... you to the Found New Hardware Wizard 2 Click Next to continue 3 Select the first item Search for a suitable driver for my device recommended 4 Click Next to continue 5 Click the Specific location in the Checkbox Click Next to continue 6 Click the Browse button 7 Choose the location as A USB Drivers Select the file ftdibus inf and click open ...

Page 20: ... the screen please follow remarks indicated on the side of the screen snap shots 10 The USB Serial Converter is now installed Click Finish button Installation of USB Serial Port In Win 2000 1 Win2000 will detect the USB Serial Port and bring you to the Found New Hardware Wizard 2 Click Next to continue ...

Page 21: ...ocation checkbox Click Next to continue 6 Click the Browse button 7 Choose the location as A USB Drivers Select the file FTDIPORT and click Open 8 Click OK button 9 Click Next to continue Note For correct Locations on the screen please follow remarks indicated on the side of the screen snap shots 10 The USB Serial Port is now installed Click Finish button ...

Page 22: ...ion has taken place check that in Device manager when you expand Universal Serial Bus Controllers you get USB Serial Converter and when you expand Ports COM LPT you get USB Serial Port COM 3 This installation procedure is similar for the WIN 98 SE and WIN ME environment AFTER THIS FOLLOW THE PROCEDURE IN SECTION 5 4 1 FOR INSTALLING THE MODEM DRIVERS ...

Page 23: ...are Wizard 2 Select the second checkbox and give the correct path for the drivers A if the drivers are on floppy disc 3 Click Next to continue 4 This wizard will search for the required drivers in the given path 5 Click Continue anyway to proceed to install the USB High Speed Serial Converter 6 The USB High Speed Serial Converter is now installed Click Finish button ...

Page 24: ...the Found New Hardware USB Serial Port 2 Select the second checkbox and give the correct path for the drivers A if the drivers are on floppy disc 3 Click Next to continue 4 This wizard will search for the required drivers in the given path 5 Click Continue anyway to proceed to install the USB Serial Port 6 The USB Serial Port is now installed Click Finish button ...

Page 25: ...e installed Dialup server and Dial Up Networking in your windows environment Win 98SE 2 In Win NT ensure that RAS Remote Access Server is installed 3 Choose Dial Up Network icon from My Computer window 2 Click the Make New Connection icon twice to create a connection 3 Choose a protocol for ISDN TA and give a name for this connection and press Next button Note If you use ML PPP 128K driver then TC...

Page 26: ...mber The phone number depends on the ISP you selected Then press Next if asked 5 Reconfirm the New connection and press Finish button 6 The new connection of ML PPP has been completed and a new icon will appear You may make future modifications by checking the contents of function ...

Page 27: ...t for the next command 2 Use your communication software to prepare your computer to dial a data call For example you can test the data connection under V 110 protocol with the following procedures AT A2 1 Select V 110 communication protocol ATD 5552121 Where 5552121 is the called party s telephone number with V 110 protocol setting After ATD5552121 you can see the TX RX LED is lighted and then th...

Page 28: ...e command to the TA Different modems or TA s may have slightly different command sets but generally speaking most of the TAs follow the standard set by Hayes 6 1 1 AT Command When you connect terminal equipment like PC with the TA after typing AT command ending with ENTER key TA will process the command and then return the result code to the terminal equipment Each AT command must starts with AT a...

Page 29: ...T D Data port setting display AT DC Show disconnect cause source charge AT FAPPS Re Flash the new software AT N x Set data port directory number sub address AT Sn Data port call screen function enable AT S1 AT Z1 Software reset AT AAn Set analog port A voice information capability in answer mode AT AA2 AT AN x Set analog port A directory number sub address AT AOn Set analog port A voice informatio...

Page 30: ...ng number for analog port B AT CFG Set call forwarding number for global call AT EUn Set a law or u law coding AT EU1 AT ESN DTMF START CODE A AT ES1 AT ERN Set CID between 1st and 2nd ring AT ER1 AT ACn Enable to send caller ID for analog port A AT AC1 AT BCn Enable to send caller ID for analog port B AT BC1 AT IDn Enable to send caller ID for data port AT ID1 AT EDN Setup DTMF caller ID or FSK A...

Page 31: ...lue ATVn Verbose mode Defines the form of result codes returned by the TA 0 1 Numeric form responses enabled Verbose responses enabled English responses ATWn Connection message format select Defines the type of extended negotiation result codes to return 0 1 Negotiation codes reported in 1 line format CONNECT 3 line format Hayes format CONNECT xxx PROTOCOL xxx CARRIER xxx ATXn Result code set sele...

Page 32: ...elect the protocol on BOD channel 1 2 4 5 6 8 14 V 110 V 120 X 25 on D PPP MLPPP X 75 Channel Bundling AT A5 n Enbloc overlap sending mode Select the sending method for telephone number refer also AY W0 AT W1 0 1 Overlap sending The dialing telephone will be sent to network after TA detect the ending digit Enbloc sending The dialing telephone number will be sent to network immediately whenever the...

Page 33: ...isplay all analog port setting Display all of the setting for analog port A and B AT CGn Global call select setting If the incoming call did not contain the called party number then TA had to determine ring mechanism 0 1 2 Ring TEL A only Ring TEL B only Ring both TEL A and TEL B AT CIn Enable inner communication 0 1 Disable inner communication Enable AT CPn Receiver priority setting This function...

Page 34: ...reted as an ending digit In enbloc sending mode TA will send the dialing number after received the ending digit or after timeout A law coding For European China Australian and etc AT EDx Set DTMF caller id to analog ports 0 1 Fsk caller ID DTMF caller ID Finland AT Esx DTMF CALLER ID start code D A B A LETTER START CALLER ID SEQUENCE IN FINLAND AT ER1 Caller ID between 1st and 2nd ring Forced Defa...

Page 35: ...01sec DTR recognized time 20 26 CS delay time 0 255 0 01sec Delay between lost carrier and Hang up RTS to CTS 1 37 V 110 speed set 5 6 15 17 27 50 5 1200bps 6 2400bps 15 4800bps 17 9600bps 27 19200bps 50 38400bps 50 107 Throughput BOD criteria monitor B ch throughput 0 6 10kbps 0 do not monitor 1 10kpbs 2 20kbps 3 30kbps 4 40kbps 5 50kbps 6 60kbps 0 141 BOD Add monitor Time 0 255 Sec Average calcu...

Page 36: ...57600 57600bps connection 19 CONNECT 64000 64000bps connection 20 CONNECT 115200 115200bps connection 21 CONNECT 230400 230400bps connection 46 CARRIER 1200 1200bps carrier detected 47 CARRIER 2400 2400bps carrier detected 48 CARRIER 4800 4800bps carrier detected 50 CARRIER 9600 9600bps carrier detected 54 CARRIER 19200 192000bps carrier detected 56 CARRIER 38400 384000bps carrier detected 39 CARR...

Page 37: ...ty 3 Ring TEL B first 0 5 n Factory Default n 1 Call is forwarding when received an incoming global call without called party number 2 Call is not forwarding when received an incoming global call 3 Call is forwarding when received an incoming call for TEL A 4 Call is not forwarding when received an incoming call for TEL A 5 Call is forwarding when received an incoming call for TEL B 0 7 n Call For...

Page 38: ...ngs please check the above Easy Setup Table and execute the following steps A Press 0 0 0 to set global call select ring TEL A only for example B Press to store the setting into active profile C Repeat the procedure A and B for other settings D When finished with all settings press to store all the updated settings into the non violate Memory 7 3 Storing The Setting After you performed the sequenc...

Page 39: ... mode and make sure that the terminal program had set the following configuration 115200 baud rate 8 data bit no parity 1 stop bit 8N1 CTS RTS hardware flow control 3 Type AT and check TA responded with OK 4 Type AT FAPPS the screen will display the following message AT FAPPS Application Upgrade FLASH PROGRAM VERSION 1 4 Erase and reprogramming flash EPROM contents y n 5 If you enter n then screen...

Page 40: ...nutes to finish re flash 8 After you see the message it means the download is completely already You need to power off and power on TA again to restart 9 Type ATI3 to inspect the new software version 8 2 Failed Re Flash Procedure Sometimes during the re flash procedure due to some accidents like local power is off PC is shut down RS232 cable is disconnected and etc To prevent any kind of failed re...

Page 41: ... hardware flow control 4 Entering the terminal mode again 5 Power on TA again you will see the screen display Erase and reprogramming flash EPROM contents y n 6 Enter y and follow the steps from 8 1 6 as stated above Then you can still finish the re flash procedure And you will see 38400 8 N 1 instead of 115200 8 N 1 Due to the baud rate is slower therefore it takes about 10 minutes to finish re f...

Page 42: ...not lit 9 2 DTR LED not lit and the TA does not connect Please Check Power Does the power cord connected Connect the power cord Are all connections to the TA properly and correctly connected Yes 1 Please confirm that the S T line to local switch center is connected properly 2 Confirm that the S T of local switch center is working Turn off the TA Reconnect all connectors before turning on the TA No...

Page 43: ...tting correct Retrieve and review COM Port setting Tx Rx LED does not flash when entering command from terminal DTE Check the connection between TA and DTE 1 Check the socket connections 2 Use the connection cord provided with the TA 3 Make sure the cord is in good condition 4 Make sure the Ta is connected to the correct COM Port on the PC Is the DTR LED lit Enter AT command of AT D0 Does the Tx R...

Page 44: ...call 1 Please confirm the telephone is functioning properly on the other end 2 Confirm Data bits stop bits Parity and Flow control type settings 3 Reset service functions to the same settings on both calling side and called side Does the PC indicate RING 1 Refer to previous section and check all settings 2 Reset after enters the command of ATQ0 3 The command ATA can make TA to auto answer mode Yes...

Page 45: ...g call 1 Please confirm the telephone is functioning properly on the other end 2 Confirm Data bits stop bits Parity and Flow control type settings 3 Reset service functions to the same settings on both calling side and called side Does the PC indicate RING 1 Refer to previous section and check all settings 2 Reset after enter the command of ATQ0 3 The command ATA can make TA to auto answer mode No...

Page 46: ...g calls being rejected 1 Please confirm the telephone is functioning properly on the other end 2 Confirm Data bits stop bits Parity and Flow control type settings 3 Reset service functions to the same settings on both calling side and called side 4 Terminate Call Screen function Is this analog port connected to more than one telephone and or fax Only one telephone set or one fax machine can be con...

Page 47: ...8ESU 47 9 7 Can Not Use Call Waiting Does incoming tone appear during calls Confirm local switch provides Call Waiting Make sure that when hang up or use the flash key to switch calls the duration is about one second Yes No ...

Page 48: ...ff power during self diagnostic If a problem occurs during self diagnostic the POWER LED will continue flashing after the test Before you test the ISDN TA there are some things need to be noted as shown below 1 Select the correct transfer protocol you are going to dial make sure that these models have been set already See Chapter 5 6 for reference 2 Make sure the right User name Password and Dial ...

Page 49: ...the following Properties in the Dial Up Netwoking Fig 1 fig 2 fig 3 Fig 4 fig 5 fig 6 In fig 2 Uncheck Enable software compression In fig 3 Uncheck Use IP header compression In fig 6 Select the correct port where ISDN TA is installed Fig 7 ...

Page 50: ...y DT Dial tone 400Hz tone Continual RBT Ring back tone Receive from Network ISDN switch IRBT Inner ring back tone 60ms on 50ms off 60ms on 3250ms off repeated 400 HZ tone IR Inner ring 25Hz ring signal When TA detects an inner communication and sends ring signal to TEL A B by clicking the ringing relay Ringing period is same as IRBT ICR Incoming ring 25Hz ring signal When TA accepts an incoming ca...

Page 51: ...A on hook 4 A returns to idle mode 1 1 When A at Case 1 step 2 1 A flash 2 A go to Case 0 step 2 2 When A at Case 0 step 2 3 4 5 6 1 A on hook 2 A is disconnected 3 A returns to the idle mode 3 When A at Case 0 step 4 1 A flash 2 TA2 stops to ring C 3 A go to Case 0 step 2 4 When A at Case 0 step 6 7 1 A flash 2 C is disconnect 3 C hears Other TA s BT 4 A go to Case 0 step 2 5 When A at Case 0 ste...

Page 52: ...cation settings even after powering OFF the TA 10 5 Making a Local Call Waiting Case No Representation 0 When A is in talk mode with C 1 A Talks to C occupy one B ch for example B1 ch 2 D calls A 3 A hears TA s ICT 4 A flash 5 C holds C hears LHT from TA 6 A talks to D B2 ch if C use B1 ch then D should use B2 ch 7 A flash 8 D holds D hears silent from TA 9 A go to Case 0 step 1 10 6 Making a Loca...

Page 53: ... for A call forwarding number only 5 Set AT CFB xxxxxx for B call forwarding number only 1 When TA received an incoming global call 1 TA will inform network to forward this incoming call to the number specified by AT CFG xxxxxx For example if set AT CFG to D then D will be ringed Note If there is no B ch available then TA will reject the local call forwarding Calling party will hear BT 2 When TA r...

Page 54: ... ground GND 1 CD Carrier Detect Å TA inform DTE that has a call incoming already 4 ER Data Terminal Ready Æ DTE is ready it can working now 9 CI Ring Indication Å Incoming ring indication Terminating Resistor Settings DIP Switch inside Battery Compartment Switch SW2 DIP Switch 1 2 ON default 100 ohm Terminating Resistor DIP Switch 1 2 OFF 0 ohm Terminating Resistor DIP Switch 3 OFF default N A Kee...

Page 55: ...able Service or option not available 063 Service or option not available 065 Bearer capability not implemented 066 Channel type not implemented 069 Requested facility not implemented 070 Only restricted digital information bearer capability is available Service or option not implemented 079 Service or option not implemented unspecified 081 Invalid call reference value 082 Identified channel does n...

Page 56: ...a law 25Hz 59Vrms ringing signal 1 sec on 2 sec off Tone Generation Dial tone 400 20 Hz Busy tone Holding tone Incoming tone 59VDC DTMF dialing DTMF Caller ID Data port 1 x data port DB 9SUB male connector or USB for Windows 98 2000 Auto baud detection DTE speed 1200 2400 4800 9600 19200 38400 57600 115200 230400 bps Communication speed Sync 64000 128000 bps Async 1200 2400 4800 9600 19200 38400 b...

Page 57: ...LINE ISDN Line is connected to TA Power 230VAC 50 60 Hz o p DC 5V 2 8A 6 x AA battery Alkaline Maintenance Power on self diagnostic Flash EPROM for software upgrade Minimum operation mode Factory default setting User profile saving in non volatile memory EMI CE EMI Class 2 Operation 0 to 40 degree C Humidity 10 to 95 RH Dimension 55mm W x170mm D x155mm H Weight 0 8Kg ...

Page 58: ..._______________________________________________________ Answers to the following questions help us to support your product 1 Where and how will the product primarily be used Home Office Travel Company Business Home Business Personal Use 2 How many employees work at installation site 1 employee 2 9 10 49 50 99 100 499 500 999 1000 or more 3 What network protocol s does your organization use XNS IPX...

Page 59: ...D LINK ISDN TA DMI 128ESU 59 ...

Page 60: ...NCE D LINK FRANCE Le Florilege 2 Allee de la Fresnerie 78330 Fontenay le Fleury France TEL 33 1 302 38688 FAX 33 1 3023 8689 URL www dlink france fr E MAIL info dlink france fr GERMANY D LINK Central Europe D Link Deutschland GmbH Schwalbacher Strasse 74 D 65760 Eschborn Germany TEL 49 6196 77990 FAX 49 6196 7799300 URL www dlink de BBS 49 0 6192 971199 Analog 49 0 6192 971198 ISDN INFO LINE 00800...

Page 61: ...L www dlink se TAIWAN D LINK TAIWAN 2F No 119 Pao Chung Road Hsin Tien Taipei Taiwan TEL 886 2 2910 2626 FAX 886 2 2910 1515 URL www dlinktw com tw E MAIL dssqa tsc dlinktw com tw U K D LINK EUROPE 4th Floor Merit House Edgware Road Colindale London NW9 5AB U K TEL 44 20 8731 5555 FAX 44 20 8731 5511 URL www dlink co uk E MAIL info dlink co uk U S A D LINK U S A 53 Discovery Drive Irvine CA 92618 ...

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