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Karel MS48 Installation & Maintenance Manual
Summary of MS48
Page 1
Karel ms48 t e l e p h o n e s y s t e m installation & maintenance guide edition 3.2.
Page 2: Contents
I contents section page introduction 1 technical reference i. System 3 i.1. Mb48 motherboard & exp48 expansion modules 5 i.2. Power to the system 8 i.2.A. Sps48 power supply module 8 i.2.B. Power failure transfer stations 10 i.3. External music connector 10 i.4. External relay 10 ii. Accessories 11 ...
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Ii section page installation i. Preliminary notice 33 i.1. Delivery check 33 i.2. Inspection 33 i.3. Environmental requirements 33 ii. System installation 35 ii.1. Grounding 36 ii.2. Sps48 power supply module 37 ii.3. Mb48 motherboard & exp48 expansion modules 38 iii. Accessory installation 41 iii.1...
Page 4: Introduction
Introduction this installation and maintenance guide provides an overall technical reference on the karel ms48 system and its accessories and includes descriptions, structures and capabilities as well as the installation and maintenance information. This guide is formed up of three main chapters: 1)...
Page 6: I. System
Karel ms48 installation & maintenance guide edition 3.2 3 i. System at minimum capacity, ms48 has 4 lines and 12 extensions, which can be further upgraded to support the following configurations : lines extensions 4 28 18 6 34 24 8 40 10 30 12 36 at minimum capacity, the ms48 system consists of the ...
Page 7
Karel ms48 installation & maintenance guide edition 3.2 4 see the following figures to have a general idea about the outlook as well as the structure of the system. Figure a-1 figure a-2 the cbn48 metal cabinet provides a strong shell and a natural electromagnetic shield for the system..
Page 8: I.1.
Karel ms48 installation & maintenance guide edition 3.2 5 i.1. Mb48 motherboard & exp48 expansion modules the mb48 motherboard consists of the microprocessor, utility, dtmf, switching, line and extension circuitries. See the following figures for the location of these circuitries and the operational...
Page 9
Karel ms48 installation & maintenance guide edition 3.2 6 the mb48 motherboard has 4 lines and 12 extensions, constructing the basic capacity of the system. However, this capacity may be further increased by means of exp48 expansion modules. There are 3 types of exp48 expansion modules : • exp48 (4/...
Page 10
Karel ms48 installation & maintenance guide edition 3.2 7 figure a-5.I figure a-5.Ii figure a-5.Iii as explained above, the dtmf circuitries exist on the mb48 motherboard, but not on the exp48 modules. However, when the system capacity is increased beyond 6/18, the mf receiver capacity of the mb48 m...
Page 11: I.2.
Karel ms48 installation & maintenance guide edition 3.2 8 i.2. Power to the system ms48 system receives 220 vac from the mains. Inside the fuse slot next to the system on/off switch, there exists a f-type fuse of 1 a / 250 vac for the first step protection. The system can operate for the mains input...
Page 12
Karel ms48 installation & maintenance guide edition 3.2 9 sps48 – mb48 connector sps48 – rnt48 connector pin signal pin voltage 1 ring control 1 - 2 buzzer control 2 gnd 3 - 24 vdc 3 -24 vdc 4 + 5 vdc 4 +24 vdc 5 data 6 gnd sps48 - ky16 connector 7 busy pin signal 1 gnd sps48 – pwt48 connector 2 dat...
Page 13: I.3.
Karel ms48 installation & maintenance guide edition 3.2 10 i.2.B. Power failure transfer stations in case of power failure the stand-by battery backup allows the system resume operation without any interrupt. In case there is no battery connected to the system when the power goes off, the lines on t...
Page 14: II. Accessories
Karel ms48 installation & maintenance guide edition 3.2 11 ii. Accessories to offer you a full telecommunication system, ms48 is equipped with many accessories. These accessories are shown in the following figure and explained one by one in the following sections. Figure a-8 ii.1. Consoles, feature ...
Page 15: II.1.A. Op48(-H) Console
Karel ms48 installation & maintenance guide edition 3.2 12 ii.1.A. Op48(-h) console there are two types of op48 consoles, op48 console and op48-h handsfree console, the second one being half-duplex. The op48(-h) console has a bdp (busy display panel) that shows the states of all the extensions and l...
Page 16
Karel ms48 installation & maintenance guide edition 3.2 13 ii.1.B. Lt48(-h) feature phone there are two types of lt48 feature phones, lt48 feature phone and lt48-h handsfree feature phone, the second one being half-duplex. The lt48(-h) feature phone is equipped with a 2 x 16 menu driven lcd, which o...
Page 17
Karel ms48 installation & maintenance guide edition 3.2 14 figure a-12 the dimensions of dss80 are 16 cm x 22 cm x 6.5 cm and the weight is 0.7 kg. Ii.1.D. Dss40 direct station select module the dss40 direct station select module, which is used as an add-on module for op48(-h) consoles and lt48(-h) ...
Page 18: II.2.
Karel ms48 installation & maintenance guide edition 3.2 15 the outlook and bdp of dss40 are illustrated in the following figures. Figure a-13 figure a-14 the dimensions of the dss40 are 16 cm x 22 cm x 6.5 cm and the weight is 0.7 kg. Ii.2. Mini printer - ky16 ms48 system offers call record listing ...
Page 19
Karel ms48 installation & maintenance guide edition 3.2 16 figure a-15 the data cabling of ky16 mini printer is made via the 4-pin printer connector on sps48 power supply module. The signaling between the system and ky16 is illustrated in the following table. Sps48 card ky16 card printer connector p...
Page 20: II.3.
Karel ms48 installation & maintenance guide edition 3.2 17 ii.3. Call record listing interface – cm48 ms48 system offers the alternative of using a pc for call record listing (crl) facilities, so that you can process the records of the external calls stored in the system memory over pc. Cm48 call re...
Page 21: Cm48:
Karel ms48 installation & maintenance guide edition 3.2 18 • d ata format of cm48: a call record consists of two lines, each followed by carriage return (0dh) and line feed (0ah) characters. Structure of the first line: starting character position field width information 1 1 #; indicates start of re...
Page 22: II.4.
Karel ms48 installation & maintenance guide edition 3.2 19 51 4 metering pulse count 55 1 space 56 7 call cost 63 1 space 64 variable number dialed • n otes - only one of the three crl accessories - namely ky16 mini printer, cm48 crl interface and/or pk48 pc-console interface, rs232 serial printer i...
Page 23: II.5.
Karel ms48 installation & maintenance guide edition 3.2 20 ii.5. Call record listing & pc-console interface - cm48 + pk48 cm48+pk48 is the combined unit of cm48 and pk48 interfaces, the programs of which can run independently but cooperatively. Cm48+pk48 consists of an add-on card called pkcr (the s...
Page 24: II.7.
Karel ms48 installation & maintenance guide edition 3.2 21 • n otes - only one of the three crl accessories - namely ky16 mini printer, cm48 crl interface and/or pk48 pc-console interface, rs232 serial printer interface - can be connected to the system at a time. The selection among these devices is...
Page 25: II.9.
Karel ms48 installation & maintenance guide edition 3.2 22 ii.9. Auto attendant & voice mail - evm48 evm48 auto attendant guides the external callers throughout their calls with pre- recorded messages, and hence enables the operator to work more efficiently, especially under high traffic. Optionally...
Page 26: II.10.
Karel ms48 installation & maintenance guide edition 3.2 23 figure a-18 evm48 is an add-on card that is to be located on the mb48 motherboard. The dimensions of evm48 are 9 cm x 18 cm and the weight is 0.1 kg. The dimensions of evm-fe and evm-de are 6.5 cm x 3.5 cm. Ii.10. Isdn adaptor – ia12, exp-ia...
Page 27
Karel ms48 installation & maintenance guide edition 3.2 24 with motherboard only 1 s0 (2 analog lines) 1 st ia12 isdn adaptor with expansion board 2 s0 (4 analog lines) with motherboard only 3 s0 (6 analog lines) 2 nd ia12 isdn adaptor with expansion board 4 s0 (8 analog lines) 3 rd ia12 isdn adapto...
Page 28
Karel ms48 installation & maintenance guide edition 3.2 25 figure a-20 the s0 lines connected to the ia12 adaptor may be point to point (that supports the connection of 1 device only) or point to multi-point (that supports the connection of upto 8 distinct devices). Furthermore, as far as the number...
Page 29: II.11.
Karel ms48 installation & maintenance guide edition 3.2 26 ii.11. Local pager – pg100 pg100 local pager lets you page extensions that are equipped with receivers (beepers) so that they can pick up their calls or attend later. The outlook of pg100 is illustrated in the following figure. Figure a-21 k...
Page 30: II.12.
Karel ms48 installation & maintenance guide edition 3.2 27 ii.12. Standard telephone sets any ordinary telephone set, may be dp or dtmf, can be connected to ms48 system including karel’s own ladin and fulya telephone sets, which are both dp/dtmf switchable. The following figure illustrates the outlo...
Page 31: II.13.
Karel ms48 installation & maintenance guide edition 3.2 28 the dimensions of the ladin are 22 cm x 6.5 cm x 15.5 cm and the weight is 0.6 kg. The dimensions of the fulya are 16 cm x 8 cm x 22 cm and the weight is 0.5 kg. Ii.13. Filter & protection unit – fpbase, fpexp the external lines that are con...
Page 32: III. Software
Karel ms48 installation & maintenance guide edition 3.2 29 iii. Software ms48 system is a stored program controlled (spc) system. It has a microprocessor, which controls the operation of the system; and an eprom that stores the software of the system. All the default system and extension / line para...
Page 34
Karel ms48 installation & maintenance guide edition 3.2 31 iv. Technical specifications general specifications 1. Capacity total: 48 ports + 1 doorphone channel lines: min 4 / max 12 extensions : min 12 / max 40 2. Control spc 80c88 processor eprom (1 mbit) eeprom (16 kbit) 256 kbit static ram with ...
Page 35
Karel ms48 installation & maintenance guide edition 3.2 32 4. Extension feed voltage -24 vdc 5. Make-break ratio 33 msec make / 67 msec break 6. Interdigit pause for automatic dialer 720 ± 20 msec for dp 175 ± 5 msec for dtmf 7. Cross-talk attenuation better than 70 db 8. Maximum number of telephone...
Page 36: I. Preliminary Notice
Karel ms48 installation & maintenance guide edition 3.2 33 i. Preliminary notice i.1. Delivery check on the arrival at the stock or installation site, the first thing that should be done is to check all the items against the packing list. It is essential to report any missing elements immediately. I...
Page 38: II. System Installation
Karel ms48 installation & maintenance guide edition 3.2 35 ii. System installation the ms48 system is designed to be mounted on the wall. Hence, the system comes with a template and a pair of anchor plugs with screws. Another pair of screws that are used to fasten the front cover are also available....
Page 39: II.1.
Karel ms48 installation & maintenance guide edition 3.2 36 figure b-2 it is recommended to close the front cover after the cabling of extensions / lines and accessories is completed, by inserting the two screws into the holes on the right side of the front cover (see figure b-2). Important the equip...
Page 40: II.2.
Karel ms48 installation & maintenance guide edition 3.2 37 the chassis ground is established through the mains cable of the system, which is equipped with the ground wire. Therefore, if the mains outlet has a proper ground, there is no need to make any extra connections for the chassis ground. Due t...
Page 41: II.3.
Karel ms48 installation & maintenance guide edition 3.2 38 these connections are illustrated in the following figure. Figure b-4 the free space inside the system cabinet, below the sps48 card, is reserved for the battery, which can be attached to the system cabinet via the metal bars that can be sup...
Page 42
Karel ms48 installation & maintenance guide edition 3.2 39 figure b-5 for the installation of each exp48 card, the male connectors on the card itself must be attached to the female correspondents on the card underneath, which may be either the mb48 motherboard or another exp48 card. After that, it i...
Page 43
Karel ms48 installation & maintenance guide edition 3.2 40 as the last step in the installation of exp48 modules, the mfr48 mf-receiver card that comes with exp48 (4/12) or exp48 (0/16) must be installed on the mb48 motherboard. For this, the two male connectors on the solder side of mfr48 card must...
Page 44: III. Accessory Installation
Karel ms48 installation & maintenance guide edition 3.2 41 iii. Accessory installation iii.1. Consoles, feature phones, direct station select modules • c abling each lt48(-h) feature phone, op48(-h) console and dss40 / dss80 direct station select module comes with a telephone data cable, which is a ...
Page 45
Karel ms48 installation & maintenance guide edition 3.2 42 the following signals are present on the connection box of telephone data cable: 1- data signal 2- ground (gnd) 3- a (ring) signal from the connector of the relevant extension port. 4- b (tip) signal from the connector of the relevant extens...
Page 46: Dss40 / Dss80
Karel ms48 installation & maintenance guide edition 3.2 43 figure b-10 in case there is a lt48(-h) feature phone or op48(-h) console located near the system, the method of data / +12 vdc / gnd cabling for this telephone may be simplified by connecting one of the rj plugs on the telephone data cable ...
Page 47
Karel ms48 installation & maintenance guide edition 3.2 44 if there are several dss modules connected to the same extension, each extra dss module can be connected to the previous one as explained above. Figure b-11 • n umber of telephones & distance to the system : please also note that : 1) op48(-...
Page 48: III.2.
Karel ms48 installation & maintenance guide edition 3.2 45 part above, the maximum distance of 250 meters decreases proportionally. For example, if 10 lt48 feature phones are connected to the system in this way, the distance between the system and the lt48 feature phones cannot exceed 25 meters. In ...
Page 49
Karel ms48 installation & maintenance guide edition 3.2 46 figure b-12 • c abling the power cabling can be established via the built-in mains cable. The printer data cable that emerges from the bottom of the ky16 mini printer has a connection box (with a cable) at its free end. The cable of the conn...
Page 50
Karel ms48 installation & maintenance guide edition 3.2 47 for connecting ky16 to the system: 1) the free end of the data cable should be passed through the hole on the panel at the down left corner of the system cabinet (the panel on which the system on/off switch resides). 2) the 4-pin connector a...
Page 51
Karel ms48 installation & maintenance guide edition 3.2 48 • p aper roll & printer ribbon replacing the paper roll or the printer ribbon is very easy by way of the mobile front cover of the cabinet. To replace the paper roll: 1) pull out the black front cover from the upper side. 2) take out the old...
Page 52: III.3.
Karel ms48 installation & maintenance guide edition 3.2 49 iii.3. Pc interface • i nstallation the pkcr card has three male connectors on the solder side, which must be attached to the female correspondents on the mb48 motherboard. The installation of pkcr card is illustrated in figure b-16. • c abl...
Page 53: III.4.
Karel ms48 installation & maintenance guide edition 3.2 50 iii.4. Serial printer interface • i nstallation the rs232 card has three male connectors on the solder side, which must be attached to the female correspondents on the mb48 motherboard. The installation of rs232 card is illustrated in figure...
Page 54: III.5.
Karel ms48 installation & maintenance guide edition 3.2 51 iii.5. Doorphone • i nstallation dy26 doorphone is designed to be mounted on the wall with a couple of anchor plugs and screws. For this: 1) drill two holes, which are 7.5 cm apart. 2) drive the anchor plugs into the holes. 3) insert the scr...
Page 55
Karel ms48 installation & maintenance guide edition 3.2 52 figure b-19 dy26 doorphone has a ring button on it. When a doorphone user presses this button the telephone of the operator or the ringing extension rings. But if desired this facility may be canceled and an external ringer can be connected ...
Page 56: III.6.
Karel ms48 installation & maintenance guide edition 3.2 53 iii.6. External announcement system • c abling : any external announcement system can be connected to ms48 system through the doorphone socket on mb48 motherboard. For making this connection, the free end of the cable (with 4-pin connector) ...
Page 57: III.7.
Karel ms48 installation & maintenance guide edition 3.2 54 iii.7. Auto attendant & voice mail • r emark if one of the pc interface accessories – namely cm48, pk48 and cm48+pk48 – or the rs232 serial printer interface is to be connected to the system as well, the installation and wiring of this acces...
Page 58: III.8.
Karel ms48 installation & maintenance guide edition 3.2 55 figure b-24 iii.8. Isdn adaptor • i nstallation ia12 isdn adaptor is designed to be mounted on the wall with a couple of anchor plugs and screws. For this: 1) drill two holes, which are 17.5 cm apart. 2) drive the anchor plugs into the holes...
Page 59
Karel ms48 installation & maintenance guide edition 3.2 56 • c abling for the data line : the ia12 isdn adaptor with the isdn data cable. Like the telephone data cable of the consoles and feature phones, the isdn data cable is formed up of two parts. One is a cable with a 6-pin rj plug at both ends ...
Page 60
Karel ms48 installation & maintenance guide edition 3.2 57 as illustrated in the figure below, while making the analog line connection as explained above, the first channel on the ia12 motherboard or exp-ia12 card must be connected to line 01 or line 03 or so on. Then, if the first channel is connec...
Page 61: III.9.
Karel ms48 installation & maintenance guide edition 3.2 58 iii.9. Local pager • i nstallation : the pg100 local pager is designed to be mounted on the wall. Hence, pg100 comes with a template and 2 anchor plugs with screws. To install pg100 : 1) place the template on the wall. 2) drill 2 holes at th...
Page 62
Karel ms48 installation & maintenance guide edition 3.2 59 1 - data signal 2 - gnd 3 - no connect 4 - no connect 5 - no connect 6 - + 12 vdc figure b-28 pg100 shares the system data cable with op48(-h) consoles, lt48(-h) feature phones and dss80 / dss40 direct station select modules. For connecting ...
Page 63
Karel ms48 installation & maintenance guide edition 3.2 60 figure b-29 the maximum distance between the pg100 local pager and the system can be 300 meters, if the wiring is made with ordinary wires. However, the maximum distance of 300 meters decreases proportionally if there are karel telephones co...
Page 64: III.10.
Karel ms48 installation & maintenance guide edition 3.2 61 iii.10. Standard telephone sets, external lines • c abling : for connecting a standard telephone set to the system the wires of the cable coming from the corresponding extension connector on mb48 motherboard or exp48 card and passing through...
Page 65: III.11.
Karel ms48 installation & maintenance guide edition 3.2 62 iii.11. Filter & protection unit • i nstallation : the fpbase module has a metal base part, which has two pear holes. Through these pear holes the fpbase module can be mounted on the wall. On the top covers of fpbase and fpexp modules there ...
Page 66: III.12.
Karel ms48 installation & maintenance guide edition 3.2 63 figure b-32 to get the utmost benefit from fpbase and fpexp units against lighting, the modules should be installed 20 meters away from the system. This need not be the physical distance but the length of the cables between the system and th...
Page 67: III.13.
Karel ms48 installation & maintenance guide edition 3.2 64 figure b-33 ms48 is enhanced with a facility to provide the efficient use of the music source by way of its external relay (see sec.Iii.13.). When the power switch of the music source is connected to the relay on the mb48 motherboard and the...
Page 68
Karel ms48 installation & maintenance guide edition 3.2 65 • c abling : the connection to the external relay should be made through the 2-pin relay connector at down right corner of the mb48 motherboard. The following figure illustrates the connection of the relay to an external device. Figure b-34 ...
Page 69: I. Maintaining The System
Karel ms48 installation & maintenance guide edition 3.2 67 i. Maintaining the system after powering on the system, all the extensions, external lines and the accessories must be tested. To help the installer and to ease his job, some basic problems and most probable solutions are listed below: 1) on...
Page 70
Karel ms48 installation & maintenance guide edition 3.2 68 7) cm48 or pk48 cannot communicate with the pc: a) remove ky16 mini printer if it is already installed on the system, b) make sure that you are using the correct security plug, c) check the cable connections at both sides, d) check the pin c...