karel dt04 dect base unit technical reference & user's
Contents
1. 1 1 3 TECHNICAL 2 Il STAND ALONE 3 11 1 MOUNTING ON THE WALL 3 11 2 GABUNG dati 4 11 3 REGISTRATION OF 5 5 6 Ia a aE qL a 7 Waa 7 ORDER MAKE INTERNAL 7 MAKING EXTERNAL CALLS 7 SELECTIVE LINE ACCESS si as Sai ai 7 es TA SS ut eye 8 6 8 ORDER AN INCOMING 8 CALL HOLD RETRIEVE L Saku a dae dae daha lear it 9 INQUIRY CAL lesii 9 CALL TRANSFER u Zaa aaa gaa a A 10 CALE PARK 11 PARKED CALL RETRIEVE pitstsa 11 WAL E7 OA e 12 BUSY EXTENSION SIGNALING L J ul ann a ka 13 SELECTIVE CALL RICK UP u anna 13 EXTERNAL CALL 13 5 14 5 iene atten 14 HANDSET2. 15 CALLING FROM LOCKED 5 16 DO NOT DISTURB 16 FOLLOW adalat 17 LINE RINGING 55 6 18 CHANGING THE EXTENSION NUMBER 2 0 2 0 18 CHANGING THE AUTHENTICATION CODE aa 19 RESETTING THESYS PEM 19 CALLING THE SYSTEM FROM OUTSIDE aa 20 LINE PROGRAMMING uu aaa da ena 21 UL INTEGRATION MODE 2 aqha pa 22 111 1 23 WIRING OF LINES DT04 TO EXTENSIONS OF MS SERIES 23 WIRING OF KTS DATA LINE OF MS SERIES PABX TO DT04 24 11 2 INTEGRATION 5 25 DT04 AUTHENTICATION CODE ASSIGNMENT 25 RELOADING PORTABLE PHONE PARAMETERS PABX 26 BASE STATION SELECT 5 2 0 26 DT04 COMMUNICATION CHANNEL 27 AUTOMATIC BASE STATION CONTROL a aaa 27 DTDZBASE STATION RESEP ut u a nais ierat ia qea qas kas 27 PORTABLE PHONE ACCESS CODE 28 III 3 REGISTRATION OF HANDSETS IN MS SERIES INTEGRATION
3. L Off hook l Je Converse DT04 Technical Reference amp User s Guide Notes The calling extension number can be seen on the display of the handset If the call is an external call then the line number as 0001 0002 0003 and 0004 can be seen on the display of the handset Call Hold Retrieve Allows holding and retrieving an ongoing call In order to put a call on hold retrieve a call at You have an ongoing call GED Hold the call Retrieve the call at Go on conversing Notes While call is on hold the telephone cannot be used at discretion Inquiry Call Allows calling another extension during an ongoing call In order to make an inquiry call l at You have an ongoing call GED Hold the call olo sss see sss Dial the other extension number at Complete your inquiry call gt Retrieve original call at Continue conversing Call Transfer Allows transferring a call to another extension There are two methods to transfer a call In order to transfer a call by announcing first Je You have an ongoing call GED old the call olo Dial other extension number Je Announce transfer oe On hook Party on hold is transferred to the other extension In order to transfer a call without announcing il i You have an ongoing call GP Hold the call 212 Dial other extension number Receive ring back tone oe On hook Par
4. Have your exchange installed in places which not exposed to direct sunlight and not humid with an environmental temperature of 0 40 C and which should be ventilated well There should be a practical lighting in the room The terminal should not be exposed to effects of dust vibration oil and water Devices that generate high frequency waves such as welding machines office equipment such as computers and telex machines air conditioners TV sets should not be in the same room if possible and they should be at least 3 meters away from the terminal otherwise Since frequently interrupted mains supply would affect normal operation of the system take care in making the power connection of the system special for the system PREFACE This DT04 guide provides an overall information on Karel DT04 DECT PABX This guide is formed up of three main chapters 1 Technical reference The system outline is given Also the detailed technical information about the design technology is provided 2 Stand Alone Mode The basic system installation and registration of handsets as well as user facilities are explained for the stand alone usage of DT04 3 MS Series Integration Mode The system integration wiring and programs are explained for the MS Series Integration Mode Best regards Karel CONTENTS l TECHNICAL REFERENCE a aun T 1 1 1 GENERAL 5 1 2
5. So the system is ready to run In order to start the system the power cabling must be made The power adaptor is designed to be directly connected to mains socket and the free end of the power cord coming out of the adaptor has an RJ45 plug to be connected to the related socket POWER the system motherboard The figure below illustrates the system installed together with the power adaptor Figure 4 After the power adaptor is plugged the system starts running First the system checks the lines automatically and then the handsets must be registered to the DT04 and the required programming must be carried V AAB 5 1 3 REGISTRATION OF HANDSETS All handsets to be used in the system must be registered to the base station before utilizing services of KAREL base station The registration of a handset is accomplished in one step This procedure assigns each handset an extension number 110 129 automatically starting from 110 That is the first handset registered is numbered as 110 the second as 111 the third as 112 and so on like till the twentieth handset is numbered as 129 Afterwards it is possible to change the extension number of the handset as explained in the next section Referring to the manual of the handset start the registration procedure On request enter the Authentication code PIN code Factory default is 1234 If handset is not synchronized with the base station repeat the registration process from
6. Speech Data Rate per Channel 32 kbit s Average Power Output 10 mW per channel Communication Range 300 m open air and 50 m indoor Speech Path 6 handsets can speak at the same time Average Power Consumption 5W in case of 6 calls are supported instantaneously Signaling Method on Trunk Lines DTMF Dual Tone Multi Frequency for outgoing calls DTMF for incoming calls because of the DISA Direct In Subscriber Access facility DISA Tone Frequency 800 Hz Weight 1 75 Kg including all the peripherals and the box Size 30 cm x 25 cm x 6 5 cm boxed DT04 Technical Reference amp User s Guide Il STAND ALONE MODE KAREL DT04 DECT Base Unit can be used as a stand alone telephone switching system The capacity is 4 lines and 20 mobile extension It is useful for small and medium sized enterprises which need mobile telecommunication facilities 1 MOUNTING ON THE WALL KAREL 0704 wireless PABX is designed to be mounted the wall Hence the system comes with a template and a pair of anchor plugs and screws The system cabinet has two pear holes at the back cover to hang the system on the wall The template has the same dimensions with DT04 so that it can be used to choose the location of the system and to determine the points of the holes on the wall The template also has the necessary information to hang the system on the wall To install the system 1 Place the template which comes
7. a password Ll Off hook Dial password 000 999 Receive internal dial tone In order to erase the password Off hook amp lt i gt lt Dial your password Password Update Allows updating the password of an extension In order to update the password 14 DT04 Technical Reference amp User s Guide Off hook amp lt i gt lt gt Dial your current password 0 8 0 9 tet CELLES CELLES Dial new password Receive internal dial tone Handset Lock Prohibits other people from using a handset for external calls In order to lock the handset Ll Off hook Dial your password Lock the handset lt Receive internal dial tone In order to unlock the handset Off hook I lt i gt Dial your password Unlock the handset 15 lt Receive internal dial tone Notes 1 If the password is canceled while the handset is locked then the handset is unlocked automatically 2 If the password is changed while the handset is locked then the handset can be unlocked by using the new password Calling From Locked Handset Allows making an external call from a locked handset In order to make a call from a locked handset f i Off hook Dial your password Receive 0 dial tone Dial external number Do Not Disturb Rings the handset only once for each incoming call In order t
8. the beginning There must not exist more than one DECT base stations in the neighbourhood After the handset is registered the number assigned to the handset can be checked by going off hook When the extension goes off hook the extension number is shown on the display of the handset If de registration of the handset is required from the relevant handset dial 896 and then the Authentication Code The handset de registered from the base station may continue to synchronize to the base station but it cannot get any service from the base station The registration procedure of KAREL MD 2000 handsets is as follows 1 Power on the handset by pressing the red icon key while pressing the INT key 2 Press F R key several times till you see REGISTER on the LCD 3 Press 0 key 4 While seeing Search Base 1 on the LCD press 5 While seeing a number of 8 to 10 digits on the LCD press 6 When you see Pin no message on the LCD enter the PIN code of the base station which is 1234 by default 7 Press key 8 After entering the pin code and pressing OK key the handset is automatically registered to the base and you see Multi 7 message on the LCD DT04 Technical Reference amp User s Guide 1 4 05 5 FACILITIES Calling An Extension In order to make internal call f i Off hook Dial extension number Making External Calls Any idle line can be accessed to make externa
9. with the system on the wall 2 Drill two holes at the points marked as X1 and X2 on the template 3 Drive the anchor plugs into the holes 4 Insert the screws into the anchor plugs and fix them till the screw heads remains a few millimetres away from the wall surface 5 Hang the cabinet on the screws The figure below illustrates the installation of DT04 on the wall V AAB 3 To f Drive the anchor plugs 1 the wall into the holes Insert the screws into 1 a A the anchor plugs Bs the cabling Figure 2 II 2 CABLING After the system is hanged on the wall the necessary cabling should be made See the following figure for the connector locations on the bottom part of DT04 Operation POWERSUPPLY mmm I DECT BASE STATION LINEI LINE2 LUNES LINE4 Figure 3 The cabling of DT04 is very easy as all the line and the power connectors provided with standard RJ type sockets The lines to be connected to the system may either be lines or extensions of any PABX as tie lines First the line cables must be connected to the system There are four RJ11 sockets for line connections The two pins in the middle of the RJ plugs are used and the rest of the pins are not used After that all you have to do is to insert the RJ plug on the line cables to the related RJ sockets on the system 4 DT04 Technical Reference amp User s Guide
10. KAREL DT04 DECT BASE UNIT TECHNICAL REFERENCE amp USER S GUIDE Version AAB KAREL reserves the right to make modifications in product features mentioned in this document for development and improvement purposes without prior notice Individual products may possess characteristics different from those mentioned in this document according to their software and hardware versions CAUTION Since DT04 DECT Base Unit is an electronic based system it contains modules that carry high voltages which could adversely affect environmental conditions In this regard the requirements below should be fulfilled in order for your terminal not to create any situation against you or the environment The device must not be disassembled by unauthorized persons in any way The cover of the unit cabinet should always be kept closed Prior to hanging the terminal on the wall one should make sure screws are not defective Precautions must be taken in order to prevent any harmful substances from leaking or spilling into the terminal or its power adaptor in any way 8 Failure in fulfilling those requirements may result in vital hazards Dear Friend of KAREL In order to maintain sound operation of the system make sure the requirements below which are related to the environment in which the terminal will be installed are fulfilled Make sure the screws by which the exchange will be hanged is at least 150 cm above the floor
11. MODE 28 1 4 SUMMARY FOR 29 DT04 Technical Reference amp User s Guide I TECHNICAL REFERENCE 1 1 GENERAL DESCRIPTION Karel DT04 DECT PABX is a small wireless PABX with 4 lines and 20 mobile extensions During wireless communications it uses DECT GAP standard defined by ETSI The implementation of GAP profile of DECT standard makes KAREL DECT base station capable of supporting all basic call setup service requests of any DECT GAP standard handset The outlook of DT04 is illustrated in the following figure Figure 1 1 2 POWER TO THE SYSTEM DT04 system has a power adaptor that can operate at the mains input of 230 10 VAC 50 Hz and outputs DC voltages necessary for the operation of the system The phase signal on the mains input is protected with a thermal fuse of A2 115 C inside the adaptor Below is the table which illustrates the voltages on each pin of the power connector on the motherboard PIN1 PIN2 GND PINS 6 9VDC PIN3 PIN4 24 VDC PIN7 PIN8 No Connect V AAB 1 1 3 TECHNICAL INFORMATION Standard DECT Digital Enhanced Cordless Telecommunications GAP Generic Access Profile Number of Channels 120 duplex Dublex method TDMA Time Division Multiple Access channels with 10 ms frame length Operation Frequency Range 1880 to 1900 MHz Bit rate 1152 kbit s Modulation GFSK Gaussian Frequency Shift Keying
12. bers to Relay relay code MS Series api PABX of numbers for be used for activation to be used handsets handsets flexible code for flexible numbering numbering MS48 MS48S 20 200 219 151 190 151 191 MS48 ISDN MS128 Through 20 260 279 235 274 235 275 hole CPU MS128 SMT CPU 40 260 299 235 274 255 275 MS224 40 1500 1539 311 350 351 351 The number of DECT handsets can be changed by flexible numbering Once the integration is finished and the handsets are registered then the system is ready for use Under these circumstances all the mobile users are 28 DT04 Technical Reference amp User s Guide capable of using the same facilities through their DECT handsets as they can use from their fixed telephones 11 4 SUMMARY FOR INTEGRATION AJ Make the line cabling between the lines of the DT04 and the extensions of the MS system B Prepare the data wiring of the DT04 Make the wiring as explained in section 111 1 To check the wiring power on the DT04 first and then connect the data cable to the base station C Clear the settings of the handset To do that 1 Turn off the handset 2 Press and hold the Int key and turn on the handset in this position 3 Press F R key Then you will see Not Sub on the display of the handset D After correcting the wiring and turning on the systems Wait till the relay clicks DT04 is heard and after that dial the followings from MS system supervisor telephon
13. e in the given order 877777 807 57 807 58 807 59 807 50 is any four digit pin code that you will use to register the handsets OP GO SS To register the handsets to MS system trace the followings on the handset 1 Press F R key several times till you see Register on the display of the handset 2 Press O K key and see select bs 1 on the display 3 Press key to see the base id on the display 4 Press key to see on the display and enter the pin defined with 80750 coded program above 5 Press O K key to confirm the pin entry F Now the handset is registered to the MS system The first handset registered to the system will have first extension number given in the table V AAB 29 30 in section 111 3 The operator of the system can be called and thus the handset can be tested
14. e integration all the users with mobile handsets can use all the facilities of feature rich MS Series systems via their handset just as using an SLT Single line telephone The following table illustrates the capacity used and gained via the DECT integration on MS Series systems One Two Three Four DT04 DT04s DT04s DT04s Integrated Integrated Integrated Integrated MS48 Extensions used 4 8 12 16 Handsets added 20 20 20 20 MS48S Speech channel 4 8 12 16 MS48 ISDN j Coverage min good better best M45128 Extensions used 4 8 12 16 h Handsets added 20 20 20 20 roug hole CPU Speech channel 8 12 16 Coverage min good better best Extensions used 4 8 12 16 MS128 Handsets added 40 40 40 40 SMT CPU Speech channel 4 8 12 16 Coverage min good better best Extensions used 4 8 12 16 Handsets added 40 40 40 40 MS224 Speech channel 8 12 16 Coverage min good better best 22 DT04 Technical Reference amp User s Guide Extension used Is the number of analog extensions of the MS Series PABX used for integration wiring see next section Handsets added Is the number of mobile handsets that users can use after integration Speech channel Is the number of maximum mobile handsets that can speak at the same time Coverage Is the range of coverage in a comparative way III 1 INTEGRATION WIRING The wall mounting method is the same as explained in section 11 1 After the wall moun
15. l calls In order to make an external call Ll Off hook q Receive dial tone Dial external number Selective Line Access A specific line can be accessed to make an external call In order to make an external call over a specific line L Off hook Dial line number 1 4 Receive 0 dial tone Dial external number 1 By this method a line which is marked as out of service can also be accessed This operation is especially useful when a line is needed to be accessed by this method but not by dialing 9 Line Flash Allows making hook flash on the external line you are using This feature is useful for the following applications If your C O supports supplementary services that require flash this feature may be used If two or more systems are connected to each other by tie lines such that a line of a system is an extension of the other system then this facility allows making hook flash on the other system If the external call is just terminated and the line is to be accessed again instead of hanging up and dialing 9 this facility can be used to make sure accessing the same line In order to hook flash on a line l ae While going on conversing on the external line The line is put on hold and retrieved again lt Receive dial tone Answering Calls In order to an incoming call gt Your handset rings
16. lect Signal This program determines how often the RSSI START message is transmitted This message is used to force the hand units to choose the best base station when there are more than one base stations 80756 T Parameters T 1 9 Broadcast time in minutes 0 RSSI START message is not transmitted By default T 0 Notes 26 DT04 Technical Reference amp User s Guide If all base stations are idle then this message is transmitted in t minutes If any of the stations is not idle then a control is made in every 20 seconds till it gets idle DT04 Communication Channel Reset This program erases connection channel extensions of PABX which are connected to lines of DT04 data of DT04 base stations connected to the system In this case all DT04s must be turned off and on again When the DTO4s restart they communicate with the PABX and load all the correct parameters in the PABX memory This program is especially useful if there is something wrong with the access to from DT04s 80757 Notes There is no need to use this code unless the order of cables are changed or a problem occurs line Automatic Base Station Control When this code is dialed the base stations which were disconnected from the PABX are found automatically by the PABX and then the parameters of these base stations are erased 80758 Notes 1 Ifa base station is removed from the PABX then this code must be dialed 1 minute late
17. nging The Extension Number Allows changing the extension number In order to change the extension number of the handset Off hook Dial current Dial new extension number 110 199 18 DT04 Technical Reference amp User s Guide rs Notes 1 If the extension number which you have entered as your new extension number is already defined as the number of another extension then you receive a beep tone from the handset indicating that the code is not accepted Then the handset must be on hooked 2 When the handset is off hooked after the extension number is changed the new extension number is shown on the display of the handset Changing The Authentication Code Allows changing the authentication code of the system In order to change the authentication code a Off hook Dial current AC Dial new 4 digits ee On hook Notes 1 If in the step to enter the current a wrong AC is dialed then the handset goes on hook automatically and the AC remains unchanged 2 By default AC 1234 Resetting The System Allows resetting the system to set all the parameters to their factory default In order to set the factory set values for the parameters Off hook V AAB 19 Dial AC ma On hook Notes 1 The system must be reset if there are no active calls established 2 After this operation the handsets previously registered to the base station contin
18. o activate do not disturb z Off hook lt i gt lt gt Receive internal dial tone 16 DT04 Technical Reference amp User s Guide In order to cancel do not disturb Off hook D gt lt i gt gt lt Receive internal dial tone Notes The call can be answered even after the handset stops ringing provided that the calling party is still on the line Calling party receives ring back tone until the call is answered Follow Me Allows forwarding all calls to another extension In order to activate follow me L Dial the other extension number Receive internal dial tone In order to cancel follow me z 0ff hook GD ee On hook Notes 1 Several extensions can be forwarded to the same extension 2 If E forwards his calls to E and E forwards his calls to Es incoming calls for E keep ringing on Thus an endless loop of call forwarding is prevented V AAB 17 Line Ringing Assignment Allows assigning a line to ring on the extension s handset In order to set the ringing extensions for the line calls Ll Off hook olo Dial current AC 24 os The line number 1 4 lt Receive internal dial tone Notes 1 By default all lines ring on extension 110 2 A line rings on the extension who defines himself as the ringing extension for this line most recently and the previous ringing extension is deactivated automatically Cha
19. r after serial data connection between the PABX and the base station is removed 2 The registration of portable phones are not erased even they were registered to the system via the base station removed DT04 Base Station Reset This program sets all DT04 parameters to their initial values 80759 Notes Access codes of portable phones are not changed V AAB 27 Portable Phone Access Code An access code is given automatically by the PABX to each portable phone registered If it s required changing this number then the portable phone must be first deregistered from the PABX the number is changed by flexible numbering facility of the PABX and then re registered to the PABX Notes Wireless extensions access codes and relay access codes are given in the table below in the case where flexible numbering plan is not changed at all 11 3 REGISTRATION OF HANDSETS IN MS SERIES INTEGRATION MODE Refer to section 11 3 for the details of registering a handset In the registration procedure it is important to pay attention to dial the authentication code defined MS Series PABX instead of the authentication code of the DT04 DECT Base unit Once the integration is made on the MS Series PABX the number of the registered handset as assigned automatically by the MS Series PABX itself The following table shows the default numbering plan of the DECT handsets Physical Physical Number Default num
20. sion answers cancel the call back Off hook i gt Receive internal dial tone Notes If you are busy at the time of recall the system cancels the Call Back automatically 12 DT04 Technical Reference amp User s Guide Busy Extension Signaling Allows signalling the busy extension by sending a short beep through the earphone To warn an extension by sending beeps You are receiving busy tone upon dialing extension number Notes 1 busy extension hears a beep each time 1 is pressed 2 While an extension is being warned from the ear he can see the extension number of the signalling extension on the display of his handset Then he can press to converse with the signalling extension In this case the other party hears silence and cannot participate the new conversation Then the signalled extension can press R key to return back to his previous conversation Selective Call Pick U Allows picking up the call ringing at any extension In order to pick up a call ringing on an extension f l 0ff hook Dial ringing extension number l at Converse External Call Pick Up Allows answering the incoming external call ringing at any other extension V AAB 13 In order to pick up an external call ringing on an extension Off hook gt 4 X Converse Password Define Allows defining a password for an extension In order to define
21. t connected properly the DT04 integration cannot function properly III 2 INTEGRATION PROGRAMS The program codes given below are to be entered from the system supervisor of the MS Series PABX when the PABX is in the programming mode refer the MS Series Programming Guide for details on the programming mode The MS Series PABX software version must be 3 11 or better DT04 Authentication Code Assignment Allows defining a authentication code on the MS Series PABX so that the portable phones which are to be registered to the base stations can be directly registered to the PABX 80750 P V AAB 25 Parameters p 0000 9999 Four digit authentication code By default P 1234 Notes 1 Once the integration is made the authentication code defined by this program must be used while registering handsets 2 Just one DTO4 authentication code is defined by this program being independent of the DT04 Base Station number connected to the system 3 The system does not recognize portable phones unless the correct code defined by this program is entered during the registration process Reloading Portable Phone Parameters To PABX This program allows reloading the parameters of portable phones of all DT04 base stations to the PABX Also refreshes the communication between the base stations 80751 Notes This is the first code to dial in case of an unexpected situation about the access to portable phones Base Station Se
22. ternal lines of DTO4 these lines are to be programmed by the user This programming allows the user to program each line as inactive active but no DISA active and DISA In order to set the states of the lines Off hook 9 tetto CELLES Dial AC Factory default is 1234 0660 9 446 4440 Dial status of Line 1 0 1 or 2 0 9 CELLES Dial status of Line 2 0 1 2 _ 1 In service without DISA 2 In service with DISA tetto 900 ELLES Dial status of Line 0 1 or 2 0 CELLES Dial status of Line 4 0 1 or 2 lt Receive internal dial tone mha On hook Notes By default all lines are out of service V AAB 21 Hl INTEGRATION MODE KAREL DT04 DECT Digital Enhanced Cordless Telecommunication telephone system can be used as an expansion of KAREL MS series PABX systems The intelligent integration provides mobility to the users as well as capacity expansion for the system DT04 be integrated with MS48 MS48S 5128 and MS224 systems Up to four DT04 DECT Base Units be connected to an MS Series system Thus the coverage for mobility is increased with respect to the requirements of the installation site Roaming as a key facility is supported between the base units to support mobility in the real meaning Thanks to the intelligent structure of th
23. ting is finished then the wiring can be made as explained below In order to integrate a DT04 DECT Base unit to an MS Series system the wiring should be made in an appropriate way and in order as explained through the rest of this section For the integration there are two main phases of wiring Wiring of lines of DT04 to extensions of MS Series PABX B Wiring of KTS Data Line of MS Series PABX to DT04 In order to start the systems correctly first the wiring of lines and then the wiring of the KTS data line must be made Wiring of lines of DT04 to extensions of MS Series PABX To make the line wiring between 04 and MS series PABX any four extensions successive and not including the operator extension are connected to the four lines of the DT04 Each connection is made by a standard cupper wire pair Polarity of the connection is not important This wiring is illustrated in the figure below V AAB 23 III MS SERIES III l SYSTEM Data Line Figure 5 See figure for line connections of DT04 Wiring of KTS Data Line of MS Series PABX to DT04 To make the KTS Data Line wiring between DT04 and MS series PABX the two pins GND and DATA of the KTS line are used The wiring differs with respect to the hard
24. ty on hold is transferred to the other extension Notes In case of a transfer if the other extension is busy or does not accept the transfer Press R key to retrieve the call on hold or Press R key twice call another extension and transfer the call 10 DT04 Technical Reference amp User s Guide Call Park Allows parking an ongoing external call so that the handset can be used at discretion In order to park a call l at You have an ongoing external call gt ED Park the call lt Receive internal dial tone Notes 1 As many lines as desired can be parked by an extension 2 A parked call returns back to the parking extension in case it is not retrieved in 90 seconds Parked Call Retrieve Allows retrieving the parked call In order to retrieve the longest waiting parked call a hook ED Retrieve the longest waiting parked call l ae Go on conversing In order to retrieve a parked call by selecting the line Off hook Dial the parked line number 1 4 and retrieve the call Go on conversing V AAB 11 Call Back Activates the system to call you back when the called busy extension gets idle In order to call back a busy extension You are receiving busy tone lt i gt lt gt x Wait until extension gets idle Your handset rings Off hook Receive ring back tone i at Converse when the exten
25. ues to synchronize but they can not get service They must be registered to the system again 3 The Authentication code if changed previously is set to 1234 Calling The System From Outside Allows accessing any extension of the system by calling through any line of the system from outside In order to call the system via a DISA marked line The external party dials the number of any line of the DT04 system from his DTMF telephone If the line is DISA DT04 system sends a DISA dial tone Otherwise ring back tone is received The external party must dial an extension number within 15 seconds The external party converses with the answering extension Notes 1 As the lines are DISA the caller has 15 seconds to dial an extension number If he fails to dial a complete number then the extension defined as ringing extension for this line by Line Ringing Assignment feature is ringed i If this extension is busy at that time then one of the other extensions which are defined as ringing extensions for other lines is ringed il If this extension turns his handset off then the line is released automatically 20 DT04 Technical Reference amp User s Guide 2 If the caller dials an irrelevant extension number after receiving the DISA dial tone then the line is released automatically Line Programmin DTO4 assumes no external line is connected to itself on factory default After PSTN lines are connected to ex
26. ware revision of the DT04 motherboard The KTS data line connection can be made from the connection box of any OP48 LT48 or FT10 as well as any other data using module For the DT04 motherboard of revision R04 System side Black cable to Yellow cable White cable to Blue cable Figure 6 24 DT04 Technical Reference amp User s Guide For the DT04 motherboard of revision R06 522 g RJ11 for DTO4 System side Black cable to Blue cable White cable to Yellow cable Figure 7 As the data wiring is made to the connection box of DT04 as shown above a one to one cable with RJ11 connectors at both ends is used to finalize the wiring One end of this cable is plugged in the connection box and the other end is connected to the DT04 See figure for the KTS Data connector on 04 The KTS Data outputs of the MS Series PABXs vary with respect to the system type For MS48 and MS48S systems the same KTS outputs used for the proprietary telephones are used For MS48 ISDN MS128 and MS224 the ISDN KTS outputs are used As the KTS Data line is connected after the line wiring and after the DT04 and MS Series PABX are power on see section 11 2 for power supply connection of DT04 the DT04 starts controlling the 4 line connections These can be monitored by the relay clicks on the DT04 systems For each line the corresponding line relay is activated and released If this does not happen or if the lines are no
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