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Chapter 2

DX-408/DX-408i Digital Key System Installation

Installing System

1. Inside view of the System

Opening System Cover

The DX-408/DX-408i digital key system has two covers.

1. Opening the Side Cover

Viewed from the top, the small cover on the right side is the side cover. A round groove is
provided at the centre of the side cover marked with letters [PUSH]. To remove the cover,
pull the side cover to the right whilst gently pushing the groove.

2. Opening the Front Cover

After removing the side cover, loosen the screws at the upper and lower right portions of
the front cover. After removing the screws, hold the upper and lower sides of the front
cover and gently pull it upwards.

Front cover

Side cover

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Summary of Contents for DX-408

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Page 3: ...rly purchase this product Samsung recommends that you exchange it for another product for domestic use Notice No part of this manual may be used or reproduced without permission from Samsung Electronics Co Ltd The specifications and appearance of this product may be changed for quality improvement without prior notice Accordingly all information contained in this manual is also subject to change w...

Page 4: ...ms The chapters of this manual include the following contents Chapter 1 DX 408 DX 408i Digital Key System Overview describes the features of the DX 408 DX 408i digital key system appearance and internal structure of the system and precautions related to system installation Chapter 2 DX 408 DX 408i Digital Key System Installation provides general installation information for the DX 408 DX 408i digi...

Page 5: ...2 3 Installing System 2 4 Prior to Installation 2 4 Installing System 2 5 Checking System Options 2 22 Memory Backup Selection 2 22 Music Source Selection 2 22 Replacing ROMs 2 23 Testing Initial System Operation 2 25 Connecting Power Supply to System 2 25 Trunk Line and Station Line Basically Assigned 2 26 Description of Keyset Buttons 2 27 Chapter 3 Connection of Additional Equipment 3 1 3 12 Co...

Page 6: ...iv Appendix A System Specifications A 1 A 2 Power Specifications A 1 Environment Specifications A 1 Line Specifications A 1 Others A 2 Appendix B Mounting Template B 1 B 1 ...

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Page 9: ...8 and DX 408i systems support Plug Play functionality and are easy to install The DX 408 and DX 408i systems support a Door Phone Interface Module DPIM connection allowing connection of a door phone Both DX 408 and DX 408i digital key systems accommodate 8 station circuits The DX 408 digital key system accommodates 4 analogue trunk lines The DX 408i digital key system can provide 4 digital trunk c...

Page 10: ... 16Bit Mode ROM DX 408 1Mbytes 2 x 27C4001 ROM DX 408i 2Mbyte 4 x 27C4001 Memory RAM 256 Kbytes 2x681000 Switch Structure 256 x 256 Time Slot SIO port RS 232C SIO System Specifications Items Height mm Width mm Depth mm Mass Kg DX 408 DX 408i 190 350 60 2 0 DPIM 29 90 120 0 2 ...

Page 11: ...ions Station 8 circuits 4 circuits for digital keysets and 4 circuits for analogue telephones Music on hold Background music channel 1 internal or external General purpose dry contact 1 SIO port 1 External Page 1 The 8 station ports have a fixed configuration 4 digital keysets and 4 analogue telephones Front View of System Front cover Side cover DX 408 DX 408i ...

Page 12: ...y identified on the equipment CO3 4 BRI2 port CO1 2 BRI1 port Memory backup switch SIO port For RS 232C MISC port general purpose dry contact external music source port External Page port DLI ports Digital line interface ports 21 24 SLI ports Single line interface ports 25 28 Battery port ...

Page 13: ...Bottom View of the system Groove for ground connection cable requirements Not Required in Australia Groove used for hanging the system on a wall SIO port for RS 232C Power connector Power switch ...

Page 14: ... be easily accessible and kept clear of obstructions Extension cords must not be used A dedicated separately fused circuit should be used to minimize the risk of other electrical equipment being connected that could adversely affect system operation The equipment must be located in an environment that will remain within the Temperature range of 0oC to 45oC and 10 to 95 Relative Humidity non conden...

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Page 17: ...rthed mains supply socket Correct Cable Requirements Select a KSU location minimizing the length of the system cable and ensure that all the lines or cables from and to the DX 408 DX 408i digital key system are protected from damage In addition be careful to minimise interference from electromagnetic waves by avoiding the running of cables parallel to an AC power cable Refer to the cable requireme...

Page 18: ...gth of a line for a digital keyset is 400m Checking Power In order to reduce operational problems with the DX 408 DX 408i systems due to mains voltage drop and possible interruption of power it is recommended that a separately fused GPO be used Connect the DX 408 DX 408I digital key system to a dedicated GPO in order to minimise noise problems or system malfunction due to mains voltage drops ...

Page 19: ...your supplier prior to installation of this unit Check the following items contained in the package of the product DX 408 or DX 408i digital Key System 3 Screws and 3 wall plugs for hanging up the system on the wall A cable for battery connection 2 AC power Fuses F1 Fuses 250V 2A 2 Battery Fuses F2 Fuses 125V 3A An AC power cable 4 Cable Ties wall anchors Screws A Cable for Battery Connection F1 F...

Page 20: ...ght side is the side cover A round groove is provided at the centre of the side cover marked with letters PUSH To remove the cover pull the side cover to the right whilst gently pushing the groove 2 Opening the Front Cover After removing the side cover loosen the screws at the upper and lower right portions of the front cover After removing the screws hold the upper and lower sides of the front co...

Page 21: ...the DX 408 digital key system Inside view of the DX 408i digital key system Trunk board Base board MOH Music source selection jumper Power board BRI board Power board Base board MOH Music source selection jumper DCS 408 DCS 408i ...

Page 22: ...scribes how to install the system on the wall 1 Cut out the mounting paper found in the Appendix D of this manual Carefully cut along the dotted line taking care not to tear the paper 2 Place the mounting paper to the wall and mark the hole locations on the wall for the screws 3 If the wall is built of concrete insert a bushing into the hole first and then insert the screw into the wall anchor Fas...

Page 23: ...408i digital key system on the screws and ensure the system is securely fixed Installation is as the diagram below Mounting Template Appendix D Screws fixed on wall three positions Grooves on the back of system three positions ...

Page 24: ...socket is correctly earthed and is connected to a single phase supply Improper earthing may cause malfunctioning of the DX 408 DX 408i digital key system Before removing the power lead from the KSU the following must be followed in order to protect the KSU and service personnel Switch off Power Remove all trunk connections Remove Power Lead WARNING ...

Page 25: ...kup battery for the DX 408 DX 408i digital key system is DC 48V 6AH 40AH An excessively large Amp Hour capacity of a battery may cause a breakdown of the DX 408 DX 408i digital key system An insufficient battery capacity may provide for insufficient back up operation duration Battery Specification Items Charge Discharge Minimum load current A 0 0 04 Maximum load current A 0 3 0 4 Rated output curr...

Page 26: ...connection cable to the positive terminal of the battery and then connect the black cable to the negative terminal If polarity is not correctly set the battery fuse F2 fuse in the power supply unit will blow The locations of the battery fuse F2 fuse and AC power fuse F1 fuse on the DX 408 and DX 408i digital key systems are as follows 2 Turn on the AC power switch of the DX 408 DX 408i digital key...

Page 27: ...whether the system operates normally 5 Turn on the AC power switch of the DX 408 DX 408i digital key system When a DC 48V 6AH battery is used to operate the DX 408 DX 408i digital key system during power failure at the maximum configuration the system will provide full functionality for approximately 4 hours Likewise a DC 48V 12AH battery will provide operation for a minimum of 8 hours The expecte...

Page 28: ... jacks as follows BRI 1 BRI2 ports RJ 45 cable DX 408i only 8pin CO1 2 CO3 4 ports RJ 11 cable 6 pin DX 408 only MISC port RJ 11 cable 6 pin DLI SLI ports RJ 11 cable 4 pin All cabling is to be provided by the installer Tie the Cables It is recommended that the cables be tied using the cable ties contained in the system packaging CO3 4 BRI2 CO1 2 BRI1 SLI 1 SLI 2 SLI 3 SLI 4 DLI 1 DLI 2 DLI 3 DLI ...

Page 29: ...Trunk 2 power failure transfer DX408 only 1 6 Trunk 3 power failure transfer DX408 only 2 5 Trunk 2 2 5 Trunk 4 CO1 2 DX 408 only 3 4 Trunk 1 CO3 4 DX 408 only 3 4 Trunk 3 1 4 Not Used 1 4 Not Used SLI1 2 3 Analogue telephone port 1 DLI1 2 3 Digital keyset port 1 1 4 Not Used 1 4 Not Used SLI2 2 3 Analogue telephone port 1 DLI2 2 3 Digital keyset port 1 1 4 Not Used 1 4 Not Used SLI3 2 3 Analogue ...

Page 30: ... 4 1 CO port DCS 408 only MISC port SLI port DLI port BRI port DCS 408i only Modular jack Printing Pin number Description Modular jack Printing Pin number Description 1 6 External Page 2 5 General Purpose Dry contact MISC 3 4 External music Power Failure Transfer is not provided ...

Page 31: ...alogue trunks Loop start lines are connected to the DX 408 system through the modular jacks RJ 12 6pin ISDN trunks BRI lines are connected to the DX 408i system through the modular jacks RJ 45 8pin See Working on Cabling on pages 2 13 to 2 15 For the DX 408i digital key system the CO3 4 BRI2 trunk line 2 channels can be used as ISDN extensions CO3 4 BRI2 port CO1 2 BRI1 port ...

Page 32: ...witched in and out refer to S101 These are placed on the second channel in order to provide 100 Ω terminations when the channel is used as 2 ISDN extensions These terminations are required for ISDN extensions These resistors should be switched across the pairs for the second BRI channel when used as ISDN Trunks however it is necessary to provide external terminating resistors for the first BRI cha...

Page 33: ...KHz 16KHz MPD Hybrid IC 4 7nF 400V Capacitor Port 1 P101 C102 C103 Port 2 P201 C202 C203 Port 3 P301 C302 C303 Port 4 P401 C402 C403 For PRS functionality insert a PRS Hybrid IC into the socket of each trunk requiring PRS detection Because the ports are set up for MPD operation it is necessary to solder a short circuit across the capacitors to provide PRS functionality For example if a PRS module ...

Page 34: ...ly manufactured for use in that environment Digital Keysets Connect a digital keyset to a desired DLI port using a twisted pair cable with 0 40 mm or 0 50 mm conductors The DX 408 DX 408i digital key system provides 4 ports DLI1 through to DLI4 for digital keysets All cabling for keysets must use cabling that has no Tees or other connections to the cable DLI 1 4 ...

Page 35: ... external BGM MOH Memory Backup Switch The DX 408 DX 408i digital key system is provided with a memory backup circuit MEM BACK UP switch and a super capacitor to back up the RAM during a power failure or when the system is turned off The MEM BACK UP switch is located on the upper right part of the front cover of the DX 408 DX 408i digital key system The MEM BACK UP switch is set to OFF by default ...

Page 36: ...music source for Hold and Background music A music source selection jumper is on the baseboard of the DX 408 DX 408i system You can select an internal or an external music source using this jumper Refer to Chapter 3 Additional Equipment Connection in this manual for details of the music source selection jumper An approved LIU must be used when connecting an external music device to the DX 408 DX 4...

Page 37: ...he power switch and the GPO 2 If an external battery is installed remove the external battery connection 3 Remove the front cover of the DX 408 DX 408i digital key system 4 There are two EPROMs on the baseboard of the DX 408 digital key system and four EPROMs on the baseboard of the DX 408i digital key system Taking anti static precautions remove the EPROMs using an IC removing tool DCS 408 DCS 40...

Page 38: ...orientation notches on the EPROMs line up with the notches on the EPROM sockets 6 Turn the MEM switch to the off position for 10 seconds then to the ON position 7 Turn on the power at the GPO and the system 8 In the case where an external battery was installed re connect the cable for battery connection 9 Close the front and side covers of the DX 408 DX 408i system 10 Initialise the system as per ...

Page 39: ... blinks under the lower right part of the front cover of DX 408 DX 408i digital key system 4 If the red LED does not blink take the following steps The red LED is on but does not blink Turn off the power and remove the trunk card Turn on the power again and check to see if the red LED blinks Check the EPROMs have been installed in the correct sockets correctly oriented and the pins are not bent or...

Page 40: ... is defective and needs to be replaced The red LED is not on at all Remove the power plug and inspect the AC fuse F1 fuse after removing the cover of the system If the fuse is normal check the power supply and output voltage If the red LED is still off and there are no other problems the system must be replaced ...

Page 41: ...of the second BRI port CO3 4 BRI2 line can be used either as trunks or ISDN extensions The latter results in 71 and 72 being the 2 ISDN trunks and 73 74 being the ISDN extensions Below is a summary of the numbers assigned to the DX 408 DX 408i digital key system ports Port Number CO1 2 BRI1 71 72 Trunk Port CO3 4 BRI2 73 74 With DX 408i digital key system this line can be used 2 ISDN extensions wi...

Page 42: ...e 24 programmable keys on the DX keysets The buttons have functions frequently used by customers including direct trunks and direct stations The programmable buttons of the DX keysets are as follows 24B Keyset DSS layout CALL1 DT71 CALL1 DT72 CALL1 DT73 CALL1 DT74 CALL1 DS21 CALL1 DS22 CALL1 DS23 CALL1 DS24 CALL1 CONF CALL1 MUTE CALL1 GPIK01 CALL1 PAGE CALL1 DS25 CALL1 DS26 CALL1 DS27 CALL1 DS28 C...

Page 43: ...scriptions Buttons Descriptions DT Direct Trunk Trunk selection button CBK Call Back Call wait button DS Direct Station Station selection button GPIK Group Pickup Group Pickup button CONF Conference Conference button MUTE Mute Microphone mute MSG Message Message button PAGE Page Key ...

Page 44: ...2 28 Chapter 2 DX 408 DX 408i Digital Key System Installation ...

Page 45: ...en a call is placed on hold When the hold key of the DX keyset is pressed the system sends either silence none an internally generated tone or the chosen external music source to a trunk or a station trunk MMC 408 station MMC309 In addition a DX keyset can have an external music source or an internal music source as background music MMC 308 To set the system up for an external music source the fol...

Page 46: ...roved MOH LIU must be used to isolate the music source from the system 4 The following table shows MISC port modular jack pin outs of modular jack pins for the external music source external page and dry contact MISC RJ 12 6pin Modular Jack Pin number Features 1 6 External Page 2 5 General Purpose Dry contact 3 4 Music source LIU ...

Page 47: ...rt Installing External Paging 1 Connect external paging equipment using an approved Line Isolating unit to the external page pins of the MISC port 2 Assign a general purpose relay DN 361 or 362 as a member of the external page zone MMC 605 Note only DN 361 provides physical relay contacts 3 The following table shows the arrangement of the pins of the modular jack for connection of an external pagi...

Page 48: ... of the MISC port The power source must be suitable for the bell connected eg a DC source for a DC bell or an AC source for an AC bell 2 Set a common bell controlling method to continuous or interrupted type MMC 204 3 Assign the common bell DN 361 to a particular station group MMC 601 4 Designate the station group in which the common bell is included to receive calls from a particular direct trunk...

Page 49: ...system using an RS 232C cable Use a shielded computer cable with a maximum length of 15m SMDR output printer options are set in system programming MMC 725 SMDR Parameters are set in system programming MMC 804 The pin connections from SIO port to printer are as follows SIO port Printer port RXD 2 TXD 2 TXD 3 RXD 3 GND 5 GND 7 SIO port ...

Page 50: ...r customer provided modem remote programming connect a modem or a PC to the SIO serial port of the DX 408i digital key system using an RS 232C cable The PC must be equipped with the Samsung proprietary program PCMMC When the PC or modem needs to be more than 5 metres away from the DX 408i digital key system shielded computer cable is required The cable must not exceed 15 metres SIO port ...

Page 51: ...g MMC 804 Parameters related to PCMMC and remote programming are also set in system programming MMC 804 The pin connections from SIO port to PC modem are as follows PCMMC SIO port PC 9PIN 25PIN 9PIN RXD 2 TXD 3 TXD 3 TXD 3 RXD 2 RXD 2 GND 5 GND 7 GND 5 Remote Programming SIO port MODEM 9PIN 25PIN RXD 2 TXD 3 TXD 3 RXD 2 GND 5 GND 7 DTR 4 DTR 20 ...

Page 52: ... key system A PC can be connected to the module via the DB9 9 pin serial connector Connect the CTM module to a PC and a DX keyset as below 1 Connect each CTM module to a DLI port via the modular jack marked DLI IN 2 Connect the CTM module to a DX keyset via the modular jack marked KTS OUT A CTI software package Samsung Smart Control is supplied with each CTM The CTM module should not be used outdo...

Page 53: ... MMC 207 Voice Mail Auto Attendant Port Setting to VMAA and necessary parameters in MMC 726 Voice Mail Auto Attendant Option Settings The following table shows the arrangement of pins of a modular jack for connection of a voice mail auto attendant SLI ports RJ 12 4pin Modular Jack Pin number Printing and Features 1 4 NC Not Use 2 3 SLI1 1 4 NC Not Use 2 3 SLI2 1 4 NC Not Use 2 3 SLI3 1 4 NC Not Us...

Page 54: ...ctor cable Refer to Working on Cabling on pages 2 15 and 2 17 for connection between DPIM and a port Door lock release is provided by connecting the LOCK port of the DPIM to the door lock release via an approved DC Line Isolating Unit Use only the optional Samsung door phone Connect a DPIM to any DLI port only after connecting a door phone to the DPIM The LOCK port of DPIM must only be connected t...

Page 55: ...3 11 Door Phone Interface Module Connections ...

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Page 57: ...sumption 44 Watts Environment Specifications Items Specifications Operating Temperature 0 C 45 C 32 F 104 F Relative Humidity 10 95 Storage Temperature 10 C 50 C 14 F 122 F Line Specifications Items Specifications Digital Keyset 2 line cable maximum 400Metres Analogue Telephone 2 line cable maximum 1KM DPIM 2 line cable maximum 300Metres Door Phone 2 line cable maximum 100Metres Printer RS 232C ca...

Page 58: ... numbers 100 CLIP Review Blocks 100 DID numbers 20 External Page Zones 1 Holiday Dates 60 Music Sources 1 External Internal or Tone System Speed Dial 200 Max Station Speed Dail 100 Max 50 Station Max Total Speed Dial Locations 300 Combined System Station SIO Ports 1 Others Items Specifications External music source input characteristics Impedance of 600 ohm maximum 350 mV External Page Impedance o...

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