microSwitch Tech Manual PDF
Contents
1. DIAL FUNCTION FORMAT DIGIT s 50 Factory Configuration Reset 51 User Configuration Reset 53 Disable Engineering 5 6 RESERVED 71 Print Directory 72 Print Wiring List 73 Print Off Hook extensions which have timed out 74 Print PIN Numbers 1 000 032 2 033 064 3 065 096 4 097 128 5 129 160 6 161 192 7 193 224 8 225 255 8 Change PIN Number Pin ID QQQ new PIN code PPPP 91 Turn all logging OFF 92 Log internal calls 93 Log all external calls 94 Log all calls 95 Log incoming calls 96 Log outgoing calls STAR RESERVED HASH RESERVED Date and Time DD Day 01 31 MM Month 01 12 YY Year 00 99 HH Hours 00 MM Minutes 00 59 SS Seconds 00 59 Extension Numbers XXX represents the dialled number Pin ID QQQ the pin ID 001 255 The leading zeros MUST be entered 18 Tie Line Codes Z is the system number of a tie line Land is 1 Land 3 is 5 SatCom 1 is 2 SatCom 3 is 6 Land 2 is 3 Land 4 is 7 SatCom 2is4 SatCom 4 is 8 Class of Service codes WwW 1 for Officer class WwW 2 for Crew class Pin Number PPPP new 4 digit number 0000 9999 microSwitch Technical Manual SYSTEM CONFIGURATION NOTES 1 If a new extension number is entered which is already in use then the number unobtainable tone will be heard 2 Similarly if a new PIN number is entered which is already in use then the number unobtainable tone will be heard 3 When printing allow cur2. Remote call forward 2 cancel 3 extension number call forward 2 cancel 5 HHMM Alarm Set 6 Self test ring back 8 extension number Pick up ringing phone 9 Group Pickup 3 25 Features from Recall 1 1 xx 00 99 or Transfer to a 3 digit extension number x 0 9 Transfer to a 2 digit extension number 2 xx 00 99 or Transfer to a 3 digit extension number x 0 9 Transfer to a 2 digit extension number 3 xx 00 99 or Transfer to a 3 digit extension number x 0 9 Transfer to a 2 digit extension number 4 xx 00 99 or Transfer to a 3 digit extension number x 0 9 Transfer to a 2 digit extension number 5 x Hold numbers 3 2 6 Star Features from Recall 5 Conference O Broker 3 2 7 Features from Recall Engaged or NU al Return to original call 3 2 8 Star Features from Engaged 1 Priority intrusion 6 Call back when free 3 2 9 Star Features from Ringing 6 Call back when free 15 SYSTEM CONFIGURATION microSwitch Technical Manual 3 3 Changing The Configuration 3 3 1 Engineering Facility Mode There are a number of functions engineering facilities which are only available using an access code To enter the Engineering facility mode complete the following two steps Dial f The number unobtainable tone will be heard Enter the Engineer PIN number factory default is 5768 An intermittent dial tone will be heard You can now car
3. Check the wiring This is the most probable cause in a new installation Change the appropriate Switch module microSwitch Technical Manual MAINTENANCE 4 3 12 OD 4 3 14 Unable to Obtain Shore Line Check that the line is connected correctly right through from the MicroSwitch to the shore based exchange If there is a break in the line the MicroSwitch will give no tone Check the programming to verify that the shore line is set and programmed correctly See the factory set configurations list If you have re programmed the MicroSwitch exchange print out the current configuration Check if PIN number access is required Change the Switch module Incoming Call Not Received Check that the designated telephone is connected and operating correctly If a night bell has been selected check that this is operating correctly Check for Call Forward of external calls Check the programming of the shore lines Refer to the factory set configurations list If you have re programmed the MicroSwitch exchange print out the current configuration Change the Switch module Call Logging Not Outputting Data Check that the printer is connected correctly and that the cable is plugged into the serial port and not the parallel port It is important that transmitted data pin 2 from the MicroSwitch is connected to the printer receive data line The system is set up for hardware handshaking operation as standard Check that the
4. 24 All Telephones Fail to Ring But Ring Tone can be Heard by Caller Check if ringing indicator on front of the PSU is illuminated when ringing a phone If not replace the fuse If fault still present replace PSU If fault still present replace Switch module board in slot 1 If installing new system ensure all telephones do not have the bell turned off Check also if master boxes required for telephone connection and check the wiring of the telephones One Telephone Fails to Ring But Ring Tone can be Heard by Caller Check destination telephone by dialling 6 self test If telephone rings check directory to the eguipment numbers Check if the bell is turned off on the telephone Check the wiring to the telephone Check the operation of the telephone on another extension Replace as necessary Check if a master box is required for the telephone connection Replace the Switch module Intermittent Dial Tone Check if Call Forward or Call Transfer has been selected The dial tone will automatically change to intermittent when these features have been selected or during self test Check if dialling has been disabled This is often the case with emergency telephones or the night bell Crosstalk on Conversation Check for intrusion from officer class telephone Check if telephone set up as an emergency telephone since this facility allows any other telephone to intrude on a current call
5. 4 RESET PRINTER x i 5 SLOT wx 4 wx wx S E ax Teds lt l ABT 1 2 RBRBRBRBRBRBRBRB C ABAB L A N D ac 5 W atam wx 8 LI Xi LIX HW wx 5 SLOT 3 wx 4 ABABABABABABABAB C ABAB wx Pb SG EF CE A A A X X SN TT TT W DAB IL 2 3 B P A M I A wx 8 ABABABABABABABAB C ABAB 2 wx wx 6 LIX Lo S E E E E A x x x x T gt i T T T RB 2 3 4 SLOT Le A N D oc Ss W B oc M I A wx 8 E x T 7 x T 6 wx wx T 4 wx 3 wx 2 ABABABABABABABAB C ABAB SLOT 4 E x 1 Figure 4 Exchange Connections INSTALLATION INSTALLATION Processor Board N RS232 Computer Port 9 way D Iways flashing i A a INo board in slot 1 ringing Shore a Extensior LEDs L Tie Lines Occupied Power LIA Extension LED s Tie Lines ringing SATCOM microSwitch Technical Manual Figure 5 microSwitch LED s This Figure 5 illustrates the position of the LED s and fuses on the appropriate boards The diagram shows one switch module but you may have up to four modules The latest power boards do not have the Bias or Ringing fuses 2 6 RS232 Call Log Serial Interface Connections These connections are provided by an orange two part screw terminal strip located at the bottom of the MicroSwitch
6. 70 deg C Humidity 5 to 95 relative humidity Vibration 1 0mm amplitude at 2 to 13 2Hz 1g at 13 2 to 100Hz 1 1 4 Power Supply It is recommended that the microSwitch is not powered directly from the ship s emergency supply as this will increase the background noise heard on the extensions 1 2 Requirements An IBM PC or compatible with a serial interface and the microAid program or a DTMF telephone are required to program a MicroSwitch exchange 1 3 MicroAid microAid is a software utility to enable you to reconfigure the MicroSwitch Full details about microAid are provided in the microAid help file which is available from Marine Communications Limited at the address given in the front of this handbook 1 4 Extension Facilities The MicroSwitch extensions are grouped into two user categories e Category A Officer Class extensions e Category B Crew Class extensions In addition there are Engineering facilities which are only available through a PIN access code The Officer Class and Crew Class facilities are described in the MicroSwitch User Manual the Engineering facilities are described in this manual microSwitch Technical Manual INSTALLATION Chapter 2 Installation 2 1 Pre Installation Checks Before unpacking the MicroSwitch exchange check the packing carton for signs of damage Any damage to the carton should be reported to the supplier before proceeding Open the carton carefully remove the contents and check f
7. All the pins 1 to 8 are used with the exception of pin 6 which is unconnected The wiring to a 9 way PC serial connector is shown in the table An 8 pin connector is supplied with the unit 10 microSwitch Technical Manual INSTALLATION PIN SIGNAL PC9way 1 Signal Ground 3 Transmitted data from MicroSwitch 3 Received data to MicroSwitch 2 Ready To Send RTS output from MicroSwitch 8 7 Not connected s Reset 1 Reset 2 2 3 4 5 Clear To Send CTS input to MicroSwitch 6 7 8 Connect Pins 7 and 8 together to reset MicroSwitch to user configuration 2 6 1 Printer Data Format The RS232 call log interface is configured to operate at 9600 baud no parity 8 bit data and one stop bit If hardware control RTS CTS is not being used then Pins 4 and 5 should be connected together 2 7 Set Up Terminal Connections The terminal used for setting up the MicroSwitch is connected to a 9 way D socket on the front of the processor card To access this connector it is necessary to open the front panel The wiring to a 9 way PC serial connector is also shown in the table below PIN SIGNAL PC 9 way 5 Transmit data from the microSwitch Receive data to the MicroSwitch ov Ready To Send RTS output from MicroSwitch Clear To Send CTS input to MicroSwitch oN T ININ y ooN W 2 7 1 Terminal Data Format The terminal por
8. printer is set up to operate at 9600 baud with no parity 8 bit data and one stop bit and hardware handshaking Check that the printer has paper a useable ribbon and is on line Change the Processor card Loss or Change of Facilities Print out the current configuration to check that the facilities have changed If they have changed this is probably due to a failure of the battery support for the non volatile RAM on the Processor card and will only be apparent after the MicroSwitch has been powered down The expected life of the battery is 10 years so failure is unlikely during this period Refer to the Maintenance section for details of how to change the battery If the fault persists replace the Processor card then re program any special facilities 25 microSwitch Technical Manual APPENDIX A Appendix A Factory Configuration Slot Equip Ext Class Name System Failure Tie Position No No Line Fall Through 1 1 1 100 Officer Captain Land 1 1 2 2 101 Officer First Officer 1 3 3 102 Officer Officer 2 1 4 4 103 Officer Officer 3 1 5 5 104 Officer Radio Officer Satcom 1 1 6 6 105 Crew Crew I 1 7 7i 106 Crew Crew 2 1 8 8 107 Crew Crew 3 1 L Tie Line Land I 1 8 Tie Line Satcom 1 1 PM PA PA 1 Mike 1 PS PA PA 1 Switch 2 1 9 108 Crew Crew 4 Land 2 2 2 10 109 Crew Crew 5 2 3 11 110 Crew
9. 2 Factory Configuration The MicroSwitch exchange is supplied with the following configurations already defined 3 2 1 First Dialled Digit o Public address 65 1 xx 00 99 or For 3 digit extension number x 0 9 For 2 digit extension number 2 xx 00 99 or For 3 digit extension number x 0 9 For 2 digit extension number 3 xx 00 99 or For 3 digit extension number x 0 9 For 2 digit extension number 4 xx 00 99 or For 3 digit extension number x 0 9 For 2 digit extension number 5 X Hold numbers 6 Public Address access 7 Reserved 8 Night Bell pick up 9 Outsides line access Star features Engineering 3 2 2 Dial 6 Access A pin number may be required to be entered before the access digit Group P A access or 0 access o Group P A access or 0 access 6 Group P A access Group P A access 8 Group P A access 3 2 3 Dial 9 Access A pin number may be required to be entered before the access digit 14 2 SATCOM I 3 SATCOM 2 4 SATCOM 3 5 Land I 6 Land2 7 Land 3 8 SATCOM hunt group 9 Land hunt group microSwitch Technical Manual SYSTEM CONFIGURATION 3 2 4 Star Features From Dial Tone 2 extension number
10. 2 8 3 Extension Number Check If you dial your own extension number a high pitched busy ringing tone should be heard 2 8 4 Off Hook locked out Extensions A print out of all off hook locked out extensions can be obtained from the call logging port by dialling 73 when in Engineering Facility mode 12 microSwitch Technical Manual SYSTEM CONFIGURATION Chapter 3 System Configuration 3 1 General The MicroSwitch is supplied from the factory with a range of facilities already configured The Crew and Officer class facilities are described in the MicroSwitch User Manual Facilities requiring Engineering access mode are discussed in this manual The default configuration can be modified to suit on board requirements by using a program called microAid The microAid software is available on a floppy diskette and is described in a separate handbook Limited reconfiguration can be carried out using a security PIN number which allows access to the MicroSwitch system via a DTMF telephone If you reconfigure the MicroSwitch exchange we recommend that you print a record of the new configuration details and keep them with this manual for reference IMPORTANT You are strongly advised to ensure the satisfactory operation of the complete system as described in the installation checks before you implement any modifications to the factory configuration 13 SYSTEM CONFIGURATION microSwitch Technical Manual 3
11. Crew 6 2 4 12 111 Crew Crew 7 2 5 13 112 Crew Crew 8 Satcom 2 2 6 14 113 Crew Crew 9 2 7 15 114 Crew Crew 10 2 8 16 115 Crew Crew 11 2 L Tie Line Land 2 2 8 Tie Line Satcom 2 2 PM PA PA 2 Mike 2 PS PA PA 2 Switch 3 1 17 116 Crew Crew 12 Land 3 3 2 18 117 Crew Crew 13 3 3 19 118 Crew Crew 14 3 4 20 119 Crew Crew 15 3 5 21 120 Crew Crew 16 Satcom 3 3 6 22 121 Crew Crew 17 3 7 23 122 Crew Crew 18 3 8 24 123 Crew Crew 19 3 L Tie Line Land 3 3 5 Tie Line Satcom 3 3 PM PA PA 3 Mike 3 PS PA PA 3 Switch 4 1 25 124 Crew Crew 20 Land 4 27 APPENDIX A microSwitch Technical Manual Slot Position Equip Ext Class Name System Failure Tie No No Line Fall Through 4 2 26 125 Crew Crew 21 Satcom 4 4L mTeline Land4 4s miline Sacom4 4PM PA PA4Mike Ps PA PAA Switch 28
12. MAINTENANCE Chapter 4 Maintenance 4 1 Routine Maintenance No routine maintenance is required for the MicroSwitch exchange Should the operation of any part of the system be in doubt carry out the Engineering checks described in the Installation section 4 2 Battery Replacement Any changes made to the facilities within the MicroSwitch exchange are stored in battery backed non volatile memory on the Processor card The battery is an in socket lithium cell with an expected life of 10 years To replace the battery proceed as follows Use microAid to take a copy of the current user configuration Q Remove power from the MicroSwitch exchange then unplug the processor card O The battery is located in position Ul on the processor card with the memory plugged into the top of the battery Unplug the memory chip and place on static free matting Unplug the battery then fit a new one in its place Plug the memory back into the new battery ensuring that the semicircle cut out in the memory body is at the end nearest the small capacitor WARNING Extreme care must be taken when fitting the new battery and connecting the memory to ensure that all pins are correctly inserted into their sockets and not bent under The processor card contains static sensitive devices and additional care must be taken to ensure full anti static precautions are taken when handling these devices Under no circumstances should the ol
13. ctory setting is a transmit level TX of 0dB and a receive level RX of 2 0dB 00 00 The range is 00 to 15 For the transmit level TX 00 is the loudest and 15 is the quietest For the receive level RX 00 is the quietest and 15 is the loudest 3 7 Timings 3 7 1 Variable 2 Designated Number access The delay time before the agm designated number or Multiple Call Forward Group is rung can be changed from the standard 10 seconds The delay can be set from 02 seconds to 99 seconds Note If microAid version 1 1 3 is used to re program the exchange the distinctive ring style settings will be changed back to the standard default cadence 19 SYSTEM CONFIGURATION microSwitch Technical Manual 3 7 2 DISA Activation The time before DISA is activated can now be changed The time can be set from 02 seconds to 99 seconds before the second dial tone is presented to the caller for entry of extension numbers Note If microAid version 1 1 3 is used to re program the exchange the distinctive ring style settings will be changed back to the standard default cadence 3 7 3 Release of tie lines The time period when a tie line is released can be set by this command This allows for longer intervals between ringing cadences to be recognised without the line being dropped The time interval can be set from 02 seconds to 99 seconds The interval should be set to 1 times the tie line cadence Note If microAid version 1 1 3 is used to re progra
14. d lithium battery be crushed or incinerated Plug the Processor card back into the MicroSwitch exchange then power up the exchange Any special facilities will need to be re programmed as described in Chapter 4 21 MAINTENANCE microSwitch Technical Manual 4 3 Fault Finding The following information is intended to assist with fault finding to module level only All MicroSwitch exchanges and modules are fully tested before despatch from the factory Should problems be experienced when the exchange is first powered up you are advised to carefully check all wiring and the presence of power supplies before proceeding No module should be removed from or inserted into the MicroSwitch exchange whilst the exchange is powered up The MicroSwitch exchange contains static sensitive devices and special anti static precautions should be exercised when handling the MicroSwitch modules 4 3 1 All Telephones Dead If no sound can be heard at the telephone ear piece when you blow into the mouth piece then the telephone is considered to be dead If all telephones exhibit this fault Check that the MicroSwitch exchange is powered up and that the power indicators on the front of the PSU If they are not lit check the fuses If the fuses are correct replace the Power card 4 3 2 One Telephone Dead If the symptoms are as described above for one telephone only Check the wiring to the telephone Check the operation of the telephone on a
15. facilities for Officer Class and Crew Class extensions These facilities are held within the exchange memory and can be changed to suit individual requirements by using a telephone or an IBM PC or compatible The memory is provided with its own battery support and any changes made to the set up will be maintained in the event of the exchange being disconnected from the power supply When connected to the external lines incoming calls are directed to a pre specified extension Outgoing calls are enabled for Officer Class phones and can be dialled directly by prefixing the telephone number with a specific code Call logging facilities are provided by the exchange to enable all outgoing and incoming calls to be logged The information logged includes the source extension the number dialled and the duration of the call Output is through an RS232 serial interface 1 INTRODUCTION microSwitch Technical Manual Future expansion and servicing of the exchange is carried out simply by adding or replacing plug in modules To assist with maintenance and fault finding a number of indicators are provided on the modules to show the status of the exchange and the extension lines MicroSwitch will detect an incoming fax call tone and automatically transfer it to the designated extension In the event of a power failure external lines are connected directly to specified extensions Please note that satisfactory performance cannot be guaranteed for every a
16. le Z distinctive ring number 0 3 31 Change Current Ext No New Ext No XXX 32 Change Remote Ext No Remote Ext No XXX New Ext No XXX 33 Change Current CoS Class Digit W 34 Change Remote CoS Remote Ext No XXX Class Digit W 3 5 Change dialling style 1 Both 2 DTMF 3 LD Current Ext 4 Tie Access Yes 5 Tie Access No 6 PA Access Yes 7 PA Access No 36 Change dialling style Remote Ext No XXX Style N Remote Ext XXX 987 to cover all extensions except 100 N one of the following 1 Both 2 DTMF 3 LD 4 Tie Access Yes 5 Tie Access No 6 PA Access Yes 7 PA Access No 37 Select Tie line for single 9 Tie line group number 2 9 access Current Ext To cancel and return to 9X access 0 38 Select Tie line for single 9 Remote Ext No XXX Tie line group N access Remote Ext N one of the following Tie line group number 2 9 Cancel and return to 9X access 0 41 Set time before Ext2 MCF is Z time in seconds called on incoming calls The time is a 2 digit number 00 99 42 Set time before DISA is Z time in seconds activated on incoming calls The time is a 2 digit number 00 99 40 Set time for incoming ringing to Z time in seconds be recognised as stopped the time 2 digits must be 1 times the ring interval 17 SYSTEM CONFIGURATION microSwitch Technical Manual
17. llowed combination of host and subsidiary apparatus in particular certain modern electronic phones when set to LD mode may not be recognised correctly CAUTION microSwitch is designed for use on board ships It may not comply with specific statutory reguirements such as EMC PTT standards for use on land based applications microSwitch Technical Manual INTRODUCTION 1 1 1 Specifications 1 1 2 Basic Specifications Capacity maximum External Connections External Signalling Battery life programme memory Frequency Range Cabling Input Voltages Fuses DC MTBF MTTR Dimensions Weight 32 internal extensions in blocks of 8 8 external lines in blocks of 2 Maximum of 8 circuits can be made at any time Shore lines SATCOMs P A lines Push button dual tone multi frequency DTMF preferred Loop disconnect LD Impulse can be used but with reduced facilities 5 years minimum 300Hz to 5Khz at 3dB points 2 wire throughout 24V D C 10 2A peak 1A nominal average 250 mV ripple Indicators show if the D C supply is available 5A anti surge 20mm 10 000 hours fully loaded system 30 minutes 320mm H x 390mm W x 150mm D Approx 5Kg INTRODUCTION microSwitch Technical Manual 1 1 3 Environmental Specifications The MicroSwitch exchange has been tested and meets with Lloyds Register ENV2 type approval requirements Temperature Operating 0 to 55 deg C Storage 0 to
18. m the exchange the distinctive ring style settings will be changed back to the standard default cadence 3 8 Pin Number A PIN number is a four digit Personal Identification Number This allows access to an outside line or the PA system from an extension which does not have that facility Crew class extensions do not normally have access A PIN number can only be assigned as an Engineer facility A Pin number is assigned to a Pin ID Up to 255 PIN ID s are available with corresponding PIN numbers ranging from 0000 to 9999 If a PIN number system is in use then ALL access to external lines will need the use of a PIN number A routine is available to change a PIN number if necessary for example for security reasons See the Engineering Functions table 3 8 1 Printing PIN numbers You can reguest a printout of PIN numbers They are printed in blocks of thirty two Dialling 74 followed by 1 will print the PIN ID s 001 to 032 with their corresponding PIN numbers 74 followed by 2 will print the PIN ID s 033 to 064 with their corresponding PIN numbers and so on See the Engineering Functions table for the complete list 3 9 Phone Reset Facility Supervisors PIN number 51 This is a housekeeping task which clears down all the extensions and returns to the configurations you have set For example if there is a Call forward or a Call back on busy on any extension then these will be cleared 20 microSwitch Technical Manual
19. microSwitch TECHNICAL MANUAL Version 1 1 12 firmware Marine Communications Limited 1998 Marine Communications Limited November 1998 59 Bownham Park Rodborough Common Stroud Glos GL5 5BZ England Telephone 44 0 1453 873399 Fax 44 031453 873344 Email support O marinex co uk Web http www marinex co uk microSwitch Technical Manual CONTENTS CONTENTS CONTENTS microSwitch Technical Manual ii microSwitch Technical Manual INTRODUCTION Chapter 1 Introduction 1 1 General Description The Marine Communications Limited MicroSwitch marine telephone exchange has been designed to meet the special requirements of all internal and external telephone calls made on board ship The key features of the MicroSwitch are e Internal communications e Shore line PA and SATCOM access e Priority intrusion e PC programmable e Direct dial in and out e Call logging e Modular construction e Automatic fax detection e Music on hold The MicroSwitch supports up to 32 extensions and 8 external lines enabling connections to shore lines SATCOM and Public Address lines Facilities are available to enable a maximum of 4 8 connection circuits to be made at any time The circuitry is enclosed in a compact case for easy fitting to bulkheads The MicroSwitch priority intrusion facility enables a caller to interrupt a call currently taking place on another extension The exchange is pre programmed to provide specific
20. microSwitch Technical Manual Ensure that the exchange is securely sited and that all cables to the exchange are arranged tidily and secured such that they cannot pull the connectors out of the exchange Check that all the modules are fully plugged into the chassis and correctly located in their card guides before applying power for the first time A module could become loosened from the chassis if there was excessive vibration Two metal strips F and G provide additional stability for the modules and must be fitted to prevent the modules from vibrating out of position 2 4 Power Connections Power connection is via a two way terminal block mounted in the lower right hand side of the bottom section of the MicroSwitch unit When connecting to the terminals the power leads should be pushed through from under the unit where there are a series of holes Remove the grommet from the relevant hole See Figure 3 below Power Terminal 24 V D C Figure 3 Power Terminal Connections 2 5 Exchange Connections Connections between the exchange and the external eguipment are through terminal screw type connectors Refer to Figure 4 for the connection pattern microSwitch Technical Manual SK11 SK 18 SKS SK8 SK7 L1 11 1 24V D C ig 1 9 3 4 5 6 7 8 SPRRE PLE 2 1 A FBABABABABABABABABABABA s A
21. nother extension Replace as necessary Check that the appropriate LED on the front of the switch card lights when the telephone is off hook If it does not replace the Switch module 4 3 3 All Telephones Live But No Dial Tone Sound can be heard at the ear piece when you blow into the mouth piece but no dial tones can be heard when calling another telephone If all telephones exhibit this fault Check that the MicroSwitch exchange is powered up and that the power indicators are lit on the front of the PSU If they are not lit check the fuses If the fuses are correct replace the Power card Q Check the in out of service telephones Refer to the factory set configurations list If you have re programmed the MicroSwitch exchange print out the current configuration O Reset the MicroSwitch by connecting pins 7 and 8 together on the two part orange RS232 connector amp If the programming appears correct replace the Processor card but note that any special programming for your exchange will need to be repeated 22 microSwitch Technical Manual MAINTENANCE 4 3 4 One Telephone Live But No Dial Tone If the symptoms are as described above but affecting one telephone only 4 3 7 Check the in out of service telephones Refer to the factory set configurations list If you have re programmed the MicroSwitch exchange print out the current configuration Check the wiring to the telephone Check the operation
22. of the telephone on another extension Replace as necessary Replace the Switch module Wrong Extension Obtained When Dialling Check if Call Forward set on telephone Check the directory to the equipment numbers Re allocate the number or re wire the extension Check all wiring from the back plane through to the telephone Telephone Always Busy When Dialled Check if Call Forward set on telephone Check the wiring to the telephone Check the operation of the telephone on another extension Replace as necessary Check that the appropriate LED on the front of the Switch module lights when the telephone is off hook If it does not replace the Switch module Telephone Always Unobtainable When Dialled Check the in out of service telephones Check if extension set to night bell Refer to the factory set configurations list If you have re programmed the MicroSwitch exchange print out the current configuration Check the directory to the equipment numbers Re allocate the number or re wire the extension Check all wiring from the back plane through to the telephone Check the wiring to the telephone Check the operation of the telephone on another extension Replace as necessary Check that the appropriate LED on the front of the Switch module lights when the telephone is off hook If it does not replace the Switch module 23 MAINTENANCE microSwitch Technical Manual 4 3 8 4 3 9 4 3 11
23. or any signs of mechanical damage Check that the documentation is present MicroSwitch User Manual 2 2 Physical Installation The MicroSwitch should be installed in a location away from electrical noise and excess vibration Where possible the eguipment should be located in a well ventilated area where it will not be adversely affected by salt water and extremes of heat When locating the unit make sure you can access the modules and cable connectors Clearance should be allowed on each side of the case to avoid contact with neighbouring eguipment through vibration and shock The unit is supplied with the lid unsecured This is to allow you to fit the lid so that it opens either right handed or left handed depending on which is most convenient In Figure 2 2 the lid is hinged to the left INSTALLATION microSwitch Technical Manual 2 3 Locating The Unit Figure 1 identifies the cabinet dimensions Please refer to these when you are locating the MicroSwitch in its permanent position 2285 6 4 SINS HINGES ao 340 Onn Om 10 0 171 0 O O D 362 6 N Figure 1 Cabinet Dimensions Loosely fit the top screw and manoeuvre the cabinet so that the screw slots into the top hole on the rear of the cabinet There is a covering cap on the hole for the top screw which needs to be removed in order to place the unit and replaced once the uni
24. rent print to finish before requesting another print 3 4 Distinctive Ring Style Distinctive ringing cadences can be made available for incoming calls Up to three different cadences can be used to show say the whether a call was being made from a shore line or from SATCOM These ringing cadences are only available on the incoming telephone They will not be available when the call is transferred Note If microAid version 1 1 3 is used to re program the exchange the distinctive ring style settings will be changed back to the standard default cadence 3 5 Single 9 Tie Line Access Extensions can be programmed to access a tie line group using 9 without needing to enter the tie line group number as the second digit If another tie line group needs to be accessed then the access code 7x can be used where x is the group number Note If microAid version 1 1 3 is used to re program the exchange the distinctive ring style settings will be changed back to the standard default cadence 3 6 Tie Line Gain Settings The transmit and receive levels on the tie lines can be changed This may improve the volume levels however the background noise may be increased to unacceptable levels It is suggested that the tie line is accessed from the normal telephone and another internal extension used to set the tie line gain levels The change in level will then be noticed on the normal phone to assess the suitability of the settings The fa
25. ry out changes to the facilities for example change a class of service or change a PIN number and so on Refer to the next table which lists the format If the change has been entered correctly you will hear the normal dial tone However if the entry is incorrect the number unobtainable tone will be transmitted in which case replace the handset and retry Care should be taken to enter each change correctly The exchange does not need to be rebooted after a change has been made NOTE Only one change can be carried out each time the facility is used WARNING If disable engineering pin is used then the only way to regain the function is by using microAid 16 microSwitch Technical Manual SYSTEM CONFIGURATION 3 3 2 Engineering Function List These following functions are set from a DTMF telephone and require the supervisors PIN code DIAL FUNCTION FORMAT DIGIT s 0 RESERVED 14 Set Date DDMMYY 15 Set Time HHMMSS 21 Change Designated extension 1 Tie No Z Ext No XXX 22 Change Designated extension 2 Tie No Z Ext No XXX 23 Set to DTMF Tie No Z 24 Set to LD Tie No 2 25 Turn Pin number ON OFF for 1 ON 0 OFF all ties 26 Turn Pin number ON OFF for 1 ON 0 OFF all P A s 29 Turn DISA ON Z 28 Turn DISA OFF Z 29 Set the Tie Line Gain Z TXRX See below 20 Set the distinctive ring sty
26. t has been placed and the screw tightened The bottom two screws are accessed from the front of the cabinet See Figure 2 on the next page microSwitch Technical Manual INSTALLATION F I LY cD AQ ud 1 2 3 4 5 JIS a amp RQHSLQNSLIELQSRIGIIGEE NU C D Figure 2 MicroSwitch Unit Front View In the diagram above the MicroSwitch is shown with the panel removed from the lower section of the unit to show B and C screw positions This section houses the terminal strips the power terminal block and the printer connection To open the door of the unit you need to undo screws D and E Rotate each screw one quarter turn anti clockwise and release the catches Once the unit has been put in place all three screws A B and C must be tightened firmly To access B and C you need to remove the cover from the bottom panel of the unit NOTE If you have more than 16 extensions then you need to remove one pair of modules Pair 4 in Figure 2 2 to access screw A To unplug the modules you need to remove the top and bottom strips F and G by undoing the screws at either end of the strips WARNING Failure to tighten screws a b c firmly may cause the unit to loosen from its mountings during continued vibration and so cause damage to the cabinet and or the modules INSTALLATION
27. t is configured to operate at 9600 baud no parity 8 bit data and one stop bit 11 INSTALLATION microSwitch Technical Manual 2 8 Engineering Checks 2 8 1 Installation Checks Once the equipment has been installed the MicroSwitch exchange should be powered up and the indicator observed on the front panel to ensure that power is reaching the unit Each installed board should have the power LED illuminated A systematic check should now be made of all in service telephones to ensure that each telephone is capable of dialling another telephone and is capable of being dialled The speech guality of each telephone should also be checked when each telephone is dialled Having verified the basic operation of each telephone one of the Officer Class telephones should be used to check the operation of each external line and to check that all the features are working It is recommended that no special programming of the MicroSwitch exchange should be performed until satisfactory operation of the complete system has been established In the event of a fault being found during the installation checks the following engineering checks should prove useful in identifying the cause Further help can be obtained by referring to the Fault Finding section later in this document 2 8 2 Bell Check If you lift the receiver dial 6 then replace the receiver the telephone should ring to enable the amplitude and operation of the bell to be checked
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