Siemens V2.03 Users Manual
Contents
1. If your new CSI product shall ever fail contact Connect Systems Inc Customer Service Dept for repair and warranty information at 805 642 7184 Note Connect Systems Inc reserves the right to render a modest service charge when returned units are found to be free of parts or workmanship defect s i e operating to factory specification within the first year of warranty Such units will be returned freight collect to the sender including the appropriate service charge Connect Systems Inc Model FLEX II Page 32 APPENDIX A FCC NOTICE TO USERS 1 This equipment complies with part 68 of the FCC rules On the bottom of this equipment is a label that contains among other information the FCC registration number and ringer equivalence number REN for this equipment If requested this information must be provided to the telephone company 2 The REN is used to determine the quantity of devices which may be connected to th telephon line Excessive REN s on the telephone line may result in the device not ringing in response to an incoming call In most but not all areas the sum of the REN s should not exceed five 5 0 To be certain of the number of devices that may be attached to the line as determined by the total REN s contact the telephone company to determine th maximum REN for the area 3 If this product caus2. In the half duplex mode as long as th telephon line is attached the radio is keyed The COS or Internal Squelch only determines the direction of the audio If the COS or Internal Squelch is active indicating the radio is receiving carrier then the audio will be in the direction of the radio to the telephone line other wise the direction will be from the telephone line to the radio DISCONNECTING FROM THE TELEPHONE LINE The telephone line will disconnect 1 There is a loss of loop current 2 There is a line reversal on the following conditions 3 There is no VOX activity on either the telephone side and the radio side for at least the time preprogrammed This parameter can be from 1 99 minutes in 1 minute increment or if set to zero will disable the feature During the last minute before disconnection the system will generate beeps every five seconds on both the telephone line and the radio to indicate that the disconnection is imminent PTT AND THE 2175 GUARD TONE Whenever PTT is active there will also be a 2175 Hz guard tone 30 do lower that the standard tones subject to the protocol given below This feature and other features defines below can be selected on or off as a programmable feature VARIOUS EIA FUNCTIONS TONES The system will have the ability to detect DTMF sequences from the telephone line and in
3. LL MPLIED WARRATIES N CONNECTION WITH THE SALE OF THIS EQUIPMENT T R S A ai INCLUDING THE WARRANTY OF MERCHANTABILITY SHALL BE OF THE SAME AS THE WARRANTY PERIOD STATED ABOVE SOME STATES DO NOT ALLOW LIMITATIONS OF HOW LONG AN MPLIED VARRANTY LAST SO THE ABOV L P R S C URATION MITATION MAY NOT APPLY TO YOU N THE EVENT OF PRODUCT FAILURE WHIC VORKMANSHIP OF MATERIALS Y SOLI MEDY SHALL BE THE REPAIR OF THE DEFECT BY CSI OR ITS APPOINTE EPA ATION AS STATION AS STATED N THIS WARRANTY AND ER NO R c DADE ROVES TO BE CAUSED BY A DEFECT N D wa G Z kal RCUMSTANCES SHALL CS BE LIABLE FOR ANY LOSS OR DAMAGE DIRECT DENTAL OR CONSEQUENTIAL ARISING OUT OF THE USE OR INABILTY TO USE THIS PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF NCIDENTAL OR CONSEQUENTAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APLLY TO YOU
4. is to the telephon a voice delay This allows and allow This delay is to the radio In the At that poin to account f a simplex system audio from the phone system to e voice via a programmable programmable 400 VOX the up to patch will stay in effect no more voice pe z the radio going to th THE TALK CYCLE Once the line cycle and the telephone line ther voice delay from the radio to th relay has ie closed lephon the system goes from the radio t the delay wil or the Vox and whenever the or be the the is always until 1 by eliminating the need for any into the talk mobile and the operator can speak to each other There are five modes that the talk cycle can take depending on parameter 36 In the following discussion depending on the programming of other parameters when ever the PTT is turned on the Aux and or the CT relay generated When will wi determin Connect Systems Inc th the PTT is turned off turn off and any EIA Model FLEX I tones will be turned on tones are turned on the last EIA tone selected via the 1 7 turn on sequence If no EIA tones I will turn on and the EIA tones will be the Aux and or the CT relay Whenever EIA have been Page 24 selected then the system will use the function 1 as the default The full defini
5. the gain is about 10 with a 047 uF capacitor giving a 3 db cutoff of XXX Hz TO BE DETERMINED TO BE DETERMINED TO BE DETERMINED TO BE DETERMINED TO BE DETERMINED TO BE DETERMINED TO BE DETERMINED TO BE DETERMINED Bypass High Pass Filter RS232 TX from UART or port pin RS232 RX to UART of port pin Allows D A output to go to primary connector Shares pin with aux relay The terminating resistor when used for RS485 communication Only use one per system When inserted allows the TX Audio output to be DC coupled Select between single ended and balance audio from receiver Allows flat audio to be selected from radio with gain of 100 Allows the voice storage chip to receive audio directly from the radio or the telephon Not on board SETTING THE JUMPERS TO SELECT BETWEEN DIFFERENT RADIOS Connect Systems Inc Model FLEX II Page 10 For the four wire balanced audio without center tap following jumpers JP23 JP24 JP30 insert the following jumpers JP26 JP27 JP30 JP20 JP21 JP22 JP24 JP28 JP29 JP30 Connect Systems Inc Model FLEX II insert the For the four wire balanced audio with the center tap transformer For two wire balanced audio insert the following jumpers Page 11 PROGRAMMING INFORMATION This section on programming shows the different programming fields that are available across the many different FLE
6. 0 This parameter is only used if the call originated as a result of receive VOX This relay asserts the E lead relay and keeps the system in talk cycle for a minimum of the time specified At the end of the time specified the system will disconnect release the E Lead if the M lead has not been asserted before that time Once the M lead has been asserted then the system will immediately disconnect if the M lead has been released even if the total time the E lead relay has been asserted is less than the time specified by this parameter If this parameter is set to zero then the system will stay in talk cycle with the E lead asserted relay until the M lead is asserted and then released from talk cycle only when the M lead is Connect Systems Inc Model FLEX II Page 22 released This means the operator at the base station must eventually answer the call RINGOUT MODE O000 44 N 0000 44 Not Used AUTO ANSWER RING NUMBER O000 45 N 0000 45 Not Used RING SPACE x0000 46 MM x0000 46 Not Used RING ANSWER xO0OO0O00 47 N x0000 47 Not Used RING PULSE COUNTER x0000 48 MMM x0000 48 Not Used EIA TONES ENABLE OOOO0 49 T 0000 49 J 1 Enable J 0 Disable Default Enable If disabled the EIA tones defined below for tone remote operation will not be used FUNCTION 8 SELECT O0000 50 7 0000 50 Spare Incorporated in parameter 36 RADIO
7. DTMF 3 from th telephone port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1150 Hz ALT F1 Tone followed by 40 ms of 1550 Hz F1 Tone that HLGT followed by 2175 Low Level Guard Tone at 30 db less until PTT is released DTMF 4 from the telephone port will cause the Universal Controller followed by Hz Fl Tone that HLGT to generate 120 ms of 2175 Hz High Level Guard Tone 40 ms of 1050 Hz ALT F1 Tone followed by 40 ms of 1850 followed by 2175 Low Level Guard Tone at 30 db less until PTT is released DTMF 5 from th telephone port will cause the Universal Controller followed by Hz Fl Tone that HLGT to generate 120 ms of 2175 Hz High Level Guard Tone 40 ms of 1050 Hz ALT Fl Tone followed by 40 ms of 1350 followed by 2175 Low Level Guard Tone at 30 db less until PTT is released DTMF 6 from th telephone port will cause the Universal Controller followed by Hz Fl Tone that HLGT to generate 120 ms of 2175 Hz High Level Guard Tone 40 ms of 1050 Hz ALT F1l Tone followed by 40 ms of 1250 followed by 2175 Low Level Guard Tone at 30 db less until PTT is released DTMF 7 from th telephone port will cause the Universal Controller followed by Hz F1 Tone that HLGT until PTT is released DTMF 9 from th telephone port will cause the Universal Controller followed by 40 ms of 2050 H
8. Inc Model FLEX II Page 23 OPERATION CALLING FROM THE TELEPHONE LINE The system is waiting for a ringing volt tage on the telephone lin There is a programmable feature that requires a minimum number of transitions at the ringing frequency bef valid ringing signal number of rings Once carrier mode If the controller wi do nothing upon an the system has answered the auto answer ring number is set to zero ll not recognize any ringing and therefore will incoming signal CALLING FROM THE RADIO and will be answered that must occur before the system will answer the system operates in either vox or Bey The user can ore it can be considered a select the then The system is always looking for audio from the radio via its radio vox circuitry When the system sees a valid radio vox Signal the system turns on the telephon relay which in turn alerts the operator at the console The length of time the VOX has to be valid is a programmable feature feature that can be disabled This is VOICE DELAY FROM BOTH THE RADIO AND THE TELEPHONE When the time system milliseconds second for the system to detect th the line relay the console voice buffer is clear and there turns on the PTT close radio CO the dispatcher from the t is from the radio turn on delay system is not lephon of the radio transmitting idle there
9. hardware Connect Systems Inc Model FLEX II Page 35
10. the user a mistake has been made oOo0DADDAQARYA O ct 0 bh bh Computer Programming This self contained program operating in the windows environment will allow the user to easily make changes to the characteristics of the paging terminal This program is not expected to be released till something next year This programming can be accomplished by using a laptop or other computer and plugging into the front panel plug or by attaching a modem into the back panel plug If a modem is used the unit can be programmed remotely This feature will not be available on the first release To Enter and Exit Programming Mode To enter the programming mode you must enter the programming mode access code The access code consist of six digits plus two leading pound characters anda trailing pound character The factory default programming access code is 123456 The programming access code is always six digits in length Therefore the code to get into the programming mode is 123456 This code will be valid until you have changed the Programming Mode Access Code in the GLOBAL programming area Connect Systems Inc Model FLEX II Page 12 When programming is completed send to exit the programming mode If you forget the Paging terminal is designed is designed to self exit a few minutes after the last DTMF command Command Syntax When programming you will enter a program
11. turn convert those to EIA function tones with the level and the timing to operate a Motorola Standard Tone Remote board Because the system is continually watching the DTMF sequences over the telephone line these sequences will override any other operation that the system is currently performing If the system is transferring voice from the radio to the telephon line this DTMF sequence will override the voice and generate the appropriate tones Also note that by generating those DTMF sequences the telephone VOX as a consequence will be activated Once the system operator selects the appropriate function via the DTMF ton sequence the appropriate EIA tones ar generated Thereafter very time the system goes from receive to transmit the same EIA tone sequence will be generated Connect Systems Inc Model FLEX II Page 26 DTMF 1 from th telephone port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1950 Hz F1 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until PTT is released DTMF 2 from th telephone port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1850 Hz F2 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until PTT is released DTMF 3 from th telephon port will cause the Universal Controller to generate
12. 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1350 Hz F3 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until PTT is released DTMF 4 from the telephon port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1250 Hz F4 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until PTT is released DTMF 5 from th telephon port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1550 Hz F5 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until PTT is released DTMF 6 from th telephon port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1150 Hz ALT F1 Tone followed by 40 ms of 1950 Hz F1 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until PTT is released DTMF 7 from th telephone port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1050 Hz ALT F1 Tone followed by 40 ms of 1950 Hz F1 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until PTT is released DTMF 8 from the telephone port DEPENDING ON PROGRAMMING OF THE CONTROLLER will cause the Universal Controller to generate simulate the PTT condition immediately by one of two pro
13. 5 NNNNNN 0000 05 NNNNNN 000000 999999 Default 123456 Code must be precisely six digits This code is used to enter the programming mode from all sources Level Control DTMF TELCO LEVEL 0000 06 MMM 0000 06 MMM 0 255 Default 255 This is the level the DTMF will be transmitted over the telephon line Used for remote programming DTMF RADIO LEVEL 0000 07 MMM 0000 07 MMM 0 255 Default 50 Connect Systems Inc Model FLEX II Page 17 This is the level the DTMF will be transmitted over the radio Used for remote programming BEEP RADIO LEVEL 0000 08 MMM 0000 08 MMM 0 255 Default 50 This is the level annunciating beeps will be heard over the radio BEEP TELCO LEVEL 0000 09 MMM 0000 09 MMM 0 255 Default 50 This is the level annunciating beeps will be heard over the telephone TELCO TO RADIO LEVEL 0000 10 MMM 0000 10 MMM 0 255 Default 255 This is the level telephone audio will be transmitted over the radio RADIO TO TELCO LEVEL 0000 11 MMM 0000 11 MMM 0 255 Default 255 This is the level radio audio will be sent over the telephon RADIO LIMIT LEVEL 0000 12 MMM 0000 12 MMM 0 255 Default 255 This is the maximum level the repeater or the telephone audio will be transmitted over the radio EIA TONE LEVEL 0000 13 MMM 0000 13 MMM 0 255 Default 85 This is the level the EIA tones will be sent over the radio EIA LOW G
14. CONNECT SYSTEMS INCORPORATED 1802 Eastman Ave Suite 116 Ventura Ca 93003 Phone 805 642 7184 Fax 805 642 7271 FLEX SERIES II UNIVERSAL CONTROLLER MULTIMODE INTERCONNECT AND EIA TONE REMOTE E amp M VERSION User s Instruction Manual Made in U S A Copyright 2003 By Connect Systems Inc CONNECT SYSTEMS INCORPORATED 1802 Eastman Ave Suite 116 Ventura Ca 93003 Phone 805 642 7184 Fax 805 642 7271 FLEX SERIES UNIVERSAL CONTROLLER MULTIMODE INTERCONNECT AND EIA TONE REMOTE E amp M VERSION User s Instruction Manual Version 2 03 Made in U S A Copyright 2003 By Connect Systems Inc Made in U S A Connect Systems Inc Model FLEX II Page 2 TABLE OF CONTENTS General Description CONNECTIONS ADJUSTMENTS JUMPER STRAP OPTIONS GENERAL PROGRAMMING INFORMATION DIFFERENT PROGRAMMING AREAS PROGRAMMING FIELDS Fields That Have Two Possibilities Fields That Have A Require A Value Setting all parameters back to factory default GLOBAL PROGRAMMING PARAMETERS Operation General Circuit Description Warranty FCC Notice to users Connect Systems Inc Model FLEX II AAP RPABANNO TOUS WWNHNRERPRPEPEP EE WN ORA Page 3 GENERAL DESCRIPTION The FLEX SERIES II MULTIMODE NTERCONNECT AND EIA TONE REMOTE by Connect Systems Inc is a fully automatic Multi Mode radiotelephone interconnect terminal A built in LCD digital display allows the user to obta
15. DIG IN Spare output to be used for undefined functions for future applications Ground for D A output THE CONNECTIONS RJ11 TELCO CONNECTOR Pins 2 amp 5 Provides audio between the telephone and the transmitter of the radio Pins 3 amp 4 Provides audio between the receiver of the radio and the telephone line Pins 1 amp 6 Provides a pair of uncommitted relay contacts to allow the signaling function of an E amp M Type 1 protocol THE CONNECTIONS RJ11 PROGRAMMING CONNECTOR Pins 3 amp 4 A standard telephone plugs into these wire and is used for programming Pins 2 amp 5 Used for connecting multiple units together for an integrated system Pin 1 Used as a uncommitted digital input for future expansion Connect Systems Inc Model FLEX II Page 7 P1 HYB BAL P2 Hyb Bal 2 P3 Tel Vox P4 Preamp ADJUSTMENTS The Hybrid Balance control is used to null out the mobile return audio in full duplex mode The alignment must take place on one of the phone lines the Flex Series controller will be serving This alignment can not be done at the shop prior to delivery to the site Have a mobile place a call through the Flex Series Controller The party answering the called phone should leave the phone off hook during the alignment procedure Monitor the transmitter output with a service monitor or connect an oscilloscope to the TX OUTPUT terminal on the rear o
16. ELEPHONE AND OTHER PARAMETERS TURN AROUND DELAY O0000 37 N 0000 37 N 1 9 1 9 seconds Default 3 seconds Access delay is a user selectable delay to compensate for PTT hang after pressing a DTMF key on mobile and portable radios Select a value that allows you to hear all of the DTMF from the programming mode without losing any characters TURN ON DELAY 0000 38 N 0000 38 N 0 99 0 99 mSec Default 20 mSec Delay from the time the PTT is asserted to the time the radio is stable enough to transmit voice or data TURN OFF DELAY QOOO0O0 39 N 0000 39 N 0 99 0 99 seconds Default 0 seconds Guard band from the time voice or data is transmitted to the time the PTT could be released DIGITAL INPUT POLARITY 0000 40 0 0000 40 J 0 1 Default 0 If J 0 then a request to go off hook will require 48 volts If J 1 then a request to go off hook will require a ground CONTROL RELAY POLARITY 0000 41 T 0000 41 J 0 1 Default 0 When the switch asserts the digital input as defined above the relay will close if J 0 and open if J 1 E DELAY PBX 0000 42 MM 0000 42 MM 1 99 10 990 mSec Default 400 mS This parameter is only used for PBX originated calls When the M lead is asserted with 48 volts the E lead relay does not turn on until the time specified in this parameter E DELAY REC 0000 434 MM 0000 43 MM 0 99 1 9 9 Sec Default
17. SELECT ENABLE OOO00 51 0 0000 51 J 1 Enable J 0 Disable Default Disable If Enabled a COS or VOX will enable the controller by asserting the control relay as defined in parameter 42 If Disabled the controller will not turn on unless it gets a valid signal on the DIGITAL INPUT as defined in parameter 41 AUX RELAY MODE OOO00 52 N 0000 52 N 0 3 Default 0 The auxiliary relay can be used in one of four modes When N is equal to zero the auxiliary relay is never used When N is equal to one then the auxiliary relay will be pulled in whenever the PTT is asserted When N is equal to two the auxiliary relay will be pulled in whenever the channel is active and released when ever the channel goes back to the idle mode When N is equal to three the auxiliary relay will be controlled by the DTMF function code CENTER TAP RELAY MODE OOO0 53 N 0000 53 N 0 3 Default 0 The center tap relay can be used in one of four modes When N is equal to zero the center tap relay is never used When N is equal to one then the center tap relay will be pulled in whenever the PTT is asserted When N is equal to two the center tap relay will be pulled in whenever the channel is active and released when ever the channel goes back to the idle mode When N is equal to three the center tap relay will be controlled by the DTMF function code Connect Systems
18. UARD TONE LEVEL 0000 14 MMM 0000 14 MMM 0 255 Default 12 This is the level the EIA guard tones will be sent over the radio EIA HIGH GUARD TONE LEVEL 0000 15 MMM 0000 15 MMM 0 255 Default 255 This is the level the EIA guard tones will be sent over the radio VOICE RADIO LEVEL 0000 16 MMM 0000 16 MMM 0 255 Default 50 This is the level the voice prompts will be heard over the radio VOICE TELCO LEVEL 0000 17 MMM 0000 17 MMM 0 255 Default 50 This is the level the voice prompts will be sent over the telephone COS SQUELCH Parameters COS OR INTERNAL SQUELCH O0000 18 I0 0000 18 J 1 INTERNAL SQUELCH J 0 COS DEFAULT 0 Selects the source of the squelch Connect Systems Inc Model FLEX II Page 18 COS POLARITY SELECT O0000 1L9 T 0000 19 J 1 positive J 0 negative Default 1 If set for a positive voltage then any voltage above the COS Trigger Voltage will set COS true If set for a negative voltage then any voltage below the COS trigger voltage will set COS true There is a one half volt hysterises built in COS TRIGGER VOLTAGE 0000 20 MMM 0000 20 MMM 0 255 Default 128 This is the trigger point that will cause the COS to be active See application note to determine how to calculate the COS trigger voltage COS ACQUISTION TIME 0000 21 MM 0000 21 MM 0 99 in 1 millisecond increments Default 0 This parameter is the ti
19. X MODE PARAMETERS RxVOX OR CARRIER CONTROL x0000 32 IJ 0000 32 J 0 Carrier J 1 RxVOX Default 1 Select RxVOX for operation through remotely located repeaters or simplex Select CARRIER for simplex operation only In CARRIER th telephone party cannot key the base transmitter while the mobile is talking VOX ACTIVITY 0000 33 MM 0000 33 MM 0 99 in 1 minute Increments Default 0 Connect Systems Inc Model FLEX II Page 20 This feature determines how long the system will stay connected if there is no vox from either the telephone or the radio If set for 0 the function is disabled VOICE DELAY FROM TELEPHONE 0000 34 NN 0000 34 MM 0 40 Delay in 10 millisecond increments Default 40 Sets the amount of voice delay in 10 millisecond increments from the telephone line to the radio In VOX mode word clipping or word loss is directly proportional to radio T R speed in simplex systems and repeater pick up time when used through repeaters The slower the system the more desirable voice delay becomes The voice delay electronically delays audio originating from the telephone by 0 to 4 second This in effect means that the transmitter has been keyed for 4 second before the audio even began This timing makes word loss virtually impossible The voice delay is essential when using the Flex Series Controller through repeaters from a Control Station It
20. X SERIES UNIVERSAL CONTROLLER product lines Not all these fields will be used in a particular product This paging terminal can be programmed four different ways Locally remotely over the air remotely from any touch tone phone or through a computer The computer programming will not be available in the near future Local Programming Simply plug any DTMF telephone set into the rear panel RJ 11 jack labeled PROG This allows the telephon keypad to act as a programming keyboard The front panel display will show either the keystrokes or the results of the keystrokes DTMF Over the Air Programming The paging terminal can be programmed over the air from any DTMF equipped radio A DTMF sequence is transponded in response to each command you enter and is used to display the results of your programming on our CD 2 or a special version of the Flex Series Controller Remote Dial Up Telephone Programming Occasionally the pagin terminal will be located out of radio range and over the ai programming will not be possible Simply dial up the pagin terminal to do the programming You can perform all th programming functions remotely that you can do locally If th programming sequence is accepted a DTMF sequence is transponde in response to each command you enter and is used to display th results on a special version of the Flex Series Controller If th command entered is invalid three beeps will be generated t
21. cket fence signals from distorting the system Connect Systems Inc Model FLEX II Page 19 RX Vox Parameters RX VOX ACQUISTION TIME 0000 27 MM 0000 27 MM 0 99 in 1 millisecond increments Default 0 This parameter is the time VOX must be valid before the system will consider the signal is valid This is to prevent noise from trigger the system RX VOX RELEASE TIME 0000 28 MM 0000 28 MM 0 99 in 100 millisecond increments Default 10 This parameter is the time VOX must be invalid before the system will consider the signal no longer valid This is to prevent temporary lapses in conversation from changing the mode TX Vox Parameters TX VOX ACQUISTION TIME 0000 294 MM 0000 29 MM 0 99 in 1 millisecond increments Default 0 This parameter is the time VOX must be valid before the system will consider the signal is valid This is to prevent noise from trigger the system TX VOX RELEASE TIME 0000 30 MM 0000 30 MM 0 99 in 100 millisecond increments Default 10 This parameter is the time VOX must be invalid before the system will consider the signal no longer valid This is to prevent temporary lapses in conversation from changing the mode OPERATING MODE SELECTION OPERATING MODE 0000 31 M 0000 31 M 0 2 Default 0 This parameter determines the mode the interconnect is in as follows 0 VOX Half Duplex 2 Full Duplex Il VO
22. e polarity and other parameters associated with the SENSE is contained within the programming parameters if used These two points connects to the center contact and normally open contact of the relay The use if any depends upon the product Connect to a source of 12 volts to 15 volts DC The Flex Series Controllers are reverse polarity protected so a polarity mistake will not damage the product Connect the return lead to ground The two grounds in the system are connected to each other THE CONNECTIONS SECONDARY TEN POSITION CONNECTOR 4W RX 4W RX AW RX TX AW RX TX CT VOLT MONITOR MONITOR DIG IN Only used in four wire mode for audio in In four wire mode provides the audio out In two wire mode provides both audio in and audio out This is a center tap to the transmitting transformer on the secondary side of the transformer side attaching to the radio This will only be used in the four wire mode Provides a monitor function from the receiver This is a buffered output and is transformer coupled to provide isolation and a balanced output Provides other side of balanced output Should be connected to ground connection if single ended output needed Digital input to provide monitoring of negative voltages with respect to ground Designed for 48 Volts Connect Systems Inc Model FLEX II Page 6 D A OUT GROUND L gt M CONTROL PROGRAM RS485
23. ed to try to correct the interference by one or more of the following measures a Reorient the receiving antenna b Relocate the equipment with respect to the receiver c Move the equipment away from the receiver d Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits e Ensure that card mounting screws attachment connector screws and ground wires are tightly secured f If cables not offered by this company are used with this equipment it is suggested that you use shielded grounded cables with in line filters if necessary g If necessary consult your dealer service representative for additional suggestions 11 The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment It is the responsibility of the user to correct such interference Connect Systems Inc Model FLEX II Page 34 Changed from Version 2 0 to 2 01 Added Parameters 42 and 43 Changed the default on Parameter 51 to 0 Changed from Version 2 01 to 2 02 in Manual Added 0 to 7 to 1 to 9 for possible EIA tone setups Latest software version 2 07 April 21 2004 Changed from Version 2 02 to 2 03 in Manual Added 9 operation for USPIS Latest version as of March 28 2005 is version 2 10 This version is used in the USPIS job and is required in all PCB s currently produced Can be used in old
24. ers and the appropriate nulling circuitry that allows the radio audio to be either two wire balanced audio or four wire balanced audio There are jumpers that select between these two configurations Squelch Detector U13A and U13B act as a four pole high pass filter to remove any low frequency signals below about 11KHz U13 act as a gain stage where it is then detected by U13D R110 and C92 act as a smoothing filter where it is then presented to the microprocessor via U18B Zero Crossing Detector U6D and U6C act as a four pole low pass filter designed to pass only the CTCSS DCS or LTR subaudible signals U6A and U6B along with the transistors act as a zero crossing detector where it is then presented as a digital signal to the microprocessor COS Detector U4B acts as a buffer between the outside world and the A D converter on the microprocessor The logic within the Connect Systems Inc Model FLEX II Page 30 microprocessor determines if the COS should be derived from the COS detector or the Squelch detector Push To Talk Transistor Q9 acts as a buffer between the microprocessor and the outside world D14 is used to protect the circuit against any transients Sense Detector U4A acts as a buffer between the outside world and the A D converter on the microprocessor The logic within the microprocessor determines the function of that signal EEPROM The EEPROM
25. es harm to th telephon network the telephone company will notify you in advance that temporary discontinuance of service may be required But if advance notice isn t practical the telephone company will notify the customer as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe necessary 4 The telephon company may make changes in it s facilities equipment operations or procedures that could affect the operation of the equipment If this should happen the telephone company will provide advance notice in order for you to mak th necessary modifications in order to maintain uninterrupted service 5 If trouble is experienced with this product please contact Connect Systems Incorporated at 805 642 7184 for repair and warranty information If the trouble is causing harm to the telephone network the telephone company may request you remove the equipment from the network until the problem is resolved 6 There are no repairs that can be accomplished by the user In the event of operation problems disconnect your unit by removing the modular plug from the telephone company modular jack If your regular telephone still works correctly your unit has a problem and should be returned for repairs in or out of warranty If upon disconnection of your unit there is still a problem on your line notify the telephone company that the
26. f th Flex Series Controller Place all four Dip switches in the off position Have the mobile simultaneously press digits 3 and 6 on his touch tone keypad This will result in the transmission of a single 1477 Hz tone Adjust the HYB BAL Potentiometer to produce the least audio output Try all possible dip position combinations and null each time The combination which gives the minimum output is the correct position to use Changes made within th telephone company or rerouting of telephone lines could occasionally require re adjustment of the hybrid The Hybrid Balance control is used to balance the balanced audio coming from or to the radio This is only necessary for the repeater operating in the full duplex mode on a two wire system If a four wire system is used then it is not necessary to balance the hybrid Used for detection of call progress tones and sensitivity to voice in Vox operated applications Turning the pot clockwise increases its sensitivity The preamp control is used to match the audio level from your receiver to the Flex Series controller To adjust a signal containing 100 Hz CTCSS with about 600 Hz deviation should be applied to the receiver Adjust the preamp control until a level of 3 volts peak to peak is observed at test point Connect Systems Inc Model FLEX II Page 8 P5 RX VOX P6 AUDIO OUT P7 CONTRAST P8 SQUELCH 6 If an oscillo
27. grammable selections 1 Generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1950 Hz F1 Tone followed by 2175 Low Level Guard Tone at 30 db less that HLGT until 9 PTT is released OR 2 8 will cause a closure of the auxiliary relay and 9 will open the auxiliary relay DTMF 9 from the telephone port Will cancel the PTT condition started or open the auxiliary relay and in process by the DTMF K8 ADDITONAL EIA FUNCTION TONES Versions 2 07 and later DTMF 0 from th telephone port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone Connect Systems Inc Model FLEX II Page 27 followed by 40 ms of 1150 Hz ALT F1 Tone followed by 40 ms of 1850 Hz F1 Tone that HLGT followed by 2175 Low Level Guard Tone at 30 db less until PTT is released DTMF 1 from the telephone port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1150 Hz ALT F1 Tone followed by 40 ms of 1350 Hz F1 Tone that HLGT followed by 2175 Low Level Guard Tone at 30 db less until PTT is released DTMF 2 from th telephone port will cause the Universal Controller to generate 120 ms of 2175 Hz High Level Guard Tone followed by 40 ms of 1150 Hz ALT F1 Tone followed by 40 ms of 1250 Hz F1 Tone that HLGT followed by 2175 Low Level Guard Tone at 30 db less until PTT is released
28. ilt with pride in the U S A Connect Systems Inc Model FLEX II Page 4 RX AUDIO TX AUDIO PTT COS THE CONNECTIONS PRIMARY TEN POSITION CONNECTOR For the products detecting CTCSS DCS or LTR or products that use the internal squelch the RX AUDIO must be connected to the discriminator of the radio For all other products the RX AUDIO can be connected to the discriminator high side of the volume control or the speaker For products that generate CTCSS DCS or LTR the TX AUDIO must be connected directly to the modulator of the transmitter For LTR and DCS the modulator must be true FM For CTCSS the modulator can be phase modulated or FM modulated For all other applications connections to the high side of the microphone is acceptable lige should be noted that in most communication controllers there is a separate line for voice audio and a separate line for the CTCSS DCS or LTR signals This is because to combine the two the controller has to have a limiter on the voice line to prevent over modulation and other undesirable side effects Th Flex Series Controllers has a built in limiter thereby not requiring separate lines The PTT normally hooks to the PTT of the transmitter If you are using a Hand Held with the PTT sharing a common connection with the transmit audio then attach a resistor with a value between 2 4K and 4 7K from the PTT to the TX Audio and attach the TX audi
29. in the maximum power from the on board microprocessor All features are user programmable and or selectable This version of the Flex series Universal Controller has separate single ended and balance input and outputs The balanced input and outputs can be configured for two wire full duplex or half duplex operation or four wire balanced audio allowing the user to hook up to a simplex radio or hook up to a duplex radio operating in either the half duplex mode or full duplex mode All other hardware features of the product remain the same as the previous version of the FLEX SERIES UNIVERSAL CONTROLLER The balanced audio is on a separate four terminal screw type of barrier strip The rest of the signals are on a single ten position terminal screw type of barrier strip This software for this version of the Flex Series is proprietary to Siemens although it does use some of the software in the standard product The EIA tones will have the following levels preset at the factory High level Guard Tone 10 dBm 2 4500 Volt into 600 ohm load Function Tones 0 dBm 7750 Volt into 600 ohm load Low level Guard Tone 20 dBm 0775 Volt into 600 ohm load These as well as other settings and the programmable factory defaults will be preset at the factory to minimize the effort needed to install the product in your environment Designed and bu
30. is also recommended for use in straight VOX simplex mode operation especially when connected to a slow switching base station radio VOICE DELAY FROM RADIO QOO0O00 35 NN F 0000 35 MM 0 40 Delay in 10 millisecond increments Default 40 Sets the amount of voice delay in 10 millisecond increments from the radio to the telephone lin This allows the telephone user to hear the entire conversation from the radio if the system is not active at the current time SENSE VOX OR TONE CONTROL QOOOO0 36 N 0000 36 N 0 4 Default 0 If set to zero the PTT and EIA tone will be controlled by the Sense Input or the PTT If the sense is active or the telephon Vox is active then the PTT and EIA tones will be generated If the PTT is inactive and the Sense is inactive the system will be in receive mode and the PTT will be turned off If set to one the PTT and EIA tones will be controlled only by the Sense Input If set to two the PTT and EIA tones will be controlled only by the VOX from the telephone If set to three the PTT and EIA tones will be controlled by functions 8 and 9 If set to four the PTT and Aux Relay depending on programming and CT relay depending on programming will be controlled by functions 8 and 9 There will be no EIA tones generated Connect Systems Inc Model FLEX II Page 21 T
31. is used for parameter storage and occasionally certain real time data The part is read and written to by the IIC port on the microprocessor Computer Interface U12 converts the RS232 levels to levels compatible with the first UART internal to the microprocessor External Network U16 converts the levels from the second UART built into the microprocessor to the appropriate levels compatible with RS485 communications This can be used to tie multipl flex series controller together LCD Interface The microprocessor talks to the LCD controller via a four bit interface Aux Relay The microprocessor can turn on and off the auxiliary relay by means of a control pin attached to R93 JTAG Interface The microprocessor can be reprogrammed via a JTAG interface This allows the user to change the characteristic of the controller by means of software available on our web site Power Supply The power supply generates 12 volts 5 volts and 3 3 volts from a 12 volt or greater power source Connect Systems Inc Model FLEX II Page 31 LIMITED WARRANTY Connect Systems Inc CSI hereby warrants our products to be free from defective workmanship for a period of one year and defective parts for a period of one year from date of sale to the initial end user This warranty applies only to the original consumer end user purchaser of each FLEX SERIES CONTROLLER During the first year of warranty CSI will repair any of its products at
32. led the Global Programming Area Depending on the product different areas may be used such as the Speed Calling Area or the Speed Dialing Area The details will be described below Connect Systems Inc Model FLEX II Page 13 DIFFERENT PROGRAMMING AREAS GLOBAL PROGRAMMING AREA The global programming area is used to program parameters that is common to the entire product All Global Programming commands start with 0000 An example is 0000 01 J VOICE PROMPT AREA The voice prompt area is used to enter a voice message This area is active in all products but not all products use the voice prompt capability For recording the format used is 7000 n 0 The value n corresponds to one of the eight voice memory locations whose maximum record time is as follows Z Maximum Record Time seconds seconds seconds seconds 9 seconds 25 seconds 25 seconds 25 seconds OW WO WO UWHDUPBPWNEF OO The total record time for this product is two minutes To play back use the command 7000 n When recording the system will stop recording either when th maximum time has expired of the user enters any DTMF key Connect Systems Inc Model FLEX II Page 14 PROGRAMMING FIELDS THAT HAVE TWO POSSIBILITIES If the field is in the form of nnnn nn J such as the TELCO PROGRAMMING field which is 0000 01 J then the user must enter the value of 0 or 1 for the field Any other number will be rejected In m
33. me COS must be valid before the system will consider the signal is valid This is to prevent noise from trigger the system COS RELEASE TIME 0000 22 MM 0000 22 MM 0 99 in 10 millisecond increments Default 10 This parameter is the time COS must be invalid before the system will consider the signal no longer valid This is to prevent picket fence signals from distorting the system Sense Parameters SENSE POLARITY SELECT 0000 23 0 0000 23 J 1 positive J 0 negative Default 0 If set for a positive voltage then any voltage above the SENSE Trigger Voltage will set SENSE true If set for a negative voltage then any voltage below the SENSE trigger voltage will set SENSE true There is a one half volt hysterises built in SENSE TRIGGER VOLTAGE 0000 24 MMM 0000 24 MMM 0 255 Default 128 This is the trigger point that will cause the SENSE to be active See application note to determine how to calculate the SENSE trigger voltage SENSE ACQUISTION TIME 0000 25 MM 0000 25 MM 0 99 in 1 millisecond increments Default 0 This parameter is the time SENSE must be valid before the system will consider the signal is valid This is to prevent noise from trigger the system SENSE RELEASE TIME 0000 26 MM 0000 26 MM 0 99 in 10 millisecond increments Default 10 This parameter is the time SENSE must be invalid before the system will consider the signal no longer valid This is to prevent pi
34. ming sequence such as 0000 03 1 All commands start with a and end with a There may be one or more additional to act as a delimiter between fields Leading zeros Data fields require that you enter the precise number of digits specified Numbers that have fewer digits than the field requires can use leading zeros Resetting your position If you are distracted or have a lapse and forget where you are in the middle of a command sequence simply send three times and start the sequence over again Displaying the field All the fields can be displayed by the command nnnn nn The data followed by the key is replaced by a single star If system is being programmed by a telephone plugged into the back of the unit the system will display the results on the internal LCD display If the system is being programmed remotely by DTMF over the radio then the DTMF string representing the field will be sent back over the radio If the system is being programmed remotely by DTMF over the telephone then the DTMF string representing the field will be sent back over the telephone If the system is being programmed by a computer then the results will be sent back over the RS232 connector located in the from and the back of the unit Different Areas The programming of the system can be broken up into different areas The first area which all products have is cal
35. no charge providing the defective unit is shipped prepaid and service is performed by CSI Conventional prevailing labor and shipping charges will apply following the end of the first year CSI at its sole discretion will replac defective parts on an exchange basis for the first year of ownership by the original purchaser All shipping cost are the responsibility of the customer What is not covered by this limited warranty This warranty shall not apply if in our judgment the defects are caused by misuse lightning strikes customer modification water damage negligent use improper installation overloads caused by external voltage fluctuations use of unregulated power supply damage caused by transit or handling or an abusive treatment not in accordance with ordinary product use or the product serial number has bee removed altered or defaced Specific Exclusion This warranty specifically excludes lightning protection devices MOVs and phone line fuses and transistors in the PTT Push to Talk circuitry These components can only fail from external abuse HIS VARRANTY S N LIE EPRESENTATIONS AND UNLESS STATED U OF ALL OTHER WARRANTIES STATEME HEREIN ALL SUCH WARR TATEMENTS OR REPRESENTATIONS MADE BY ANY OTHER PERSON OR FIRM ARE VOID U D NTS OR ANTIES
36. o line to the center conductor of the microphone cable In most product that use the PTT the AUX relay can also be used as a PTT connection This has the advantage of allowing positive keying or other situations where the normal open collector PTT does not work Connect to a point that has a good voltage swing when the squelch is opened closed The best point to connect is to the collector of the transistor that controls the busy light if the receiver has one Otherwise you may connect to the squelch control voltage The minimum voltage for the COS is about 0 volts and the Maximum voltage is the supply voltage Some radios have that point coming out the back of the radio It sometimes goes under the name of squelch detect sq det or COR In some case a pull up or pull down resistor is necessary Connect Systems Inc Model FLEX II Page 5 SENSE AUX RELAY 12 VDC The polarity and other parameters associated with the COS is contained within the programming parameters described later It should be noted that in most cases the COS can be replaced with the internal squelch This point is used as an auxiliary input for specialized purposes in certain products As an example this input may be used to detect the presence of a CTCSS DCS signal in an LTR system The minimum voltage for the sense input is about 0 volts and the Maximum voltage is the supply voltage Th
37. ocal Page 16 GLOBAL PARAMETERS TO PROGRAM TO DISPLAY v v Programming Parameters TELCO PROGRAMMING O0O000 O1 I 0000 01 J 0 Disabled J 1 Enabled Default 1 When enabled the controller will allow a person to call in via the telephone and program the various parameters If disabled the phone line will never answer RADIO PROGRAMMING 0000 02 I 0000 02 J 0 Disabled J 1 Enabled Default 1 When enabled the controller will allow the parameters to be programmed by radio If disabled the controller will ignore any attempt to program the parameters via radio PHONE PROGRAMMING O000 03 T 0000 03 J 0 Disabled J 1 Enabled Default 1 When enabled the controller will allow the parameters to be programmed by a telephone plugged into the programming port in the back of the controller If disabled the controller will ignore any attempt to program the parameters via a telephone plugged into the back of the controller COMPUTER PROGRAMMING O000 04 T 0000 04 J 0 Disabled J 1 Enabled Default 1 When enabled the controller will allow the parameters to be programmed by a telephone plugged into the programming port in the back of the controller If disabled the controller will ignore any attempt to program the parameters via a telephone plugged into the back of the controller PROGRAMMING MODE ACCESS CODE OOOO 0
38. ost cases J 0 means disable the function and J 1 means enable the function PROGRAMMING FIELDS THAT REQUIRE A STRING OF NUMBERS If the field is in the form of nnnn nn N NN sucb as the PROGRAMMING MODE ACCESS CODE field which is 0000 05 NNNNNN then the user must enter in a number for each of the characters Some fields require all the numbers to be entered and some fields may only require one or more characters to be entered PROGRAMMING FIELDS THAT REQUIRE A VALUE If the field is in the form of nnnn nn MMM such as the TURN ON DELAY field which is O0000 08 MM or the DTMF TELCO LEVEL field which is 0000 11 MMM then the user must enter anywhere from one to three characters depending on the field and the value must be in the range specified Some fields allow a range of values and also the value of zero There is no need for leading zeros Connect Systems Inc Model FLEX II Page 15 SETTING EVERTHING BACK TO FACTORY DEFAULT If for some reason it is necessary to set the system back to a telephone into the programming jack in the back of the unit and enter the command 123456 If the system programming command from other sources such factory default plug is enabled to accept as over the radio this command is You cannot disable the factory reset programming jack Connect Systems Inc Model FLEX II valid from those sources too from working over the l
39. pulled in or the system is not connected to the telephone line then the hybrid is not balanced and the audio to the telephone output will be reflected back to the telephone audio input where it then has a clear path to the voice storage chip Telephone DTMF Decoder The audio from the telephone is decoded by the DTMF decoder U3 When pin 15 on the DTMF decoder chip is high it signals to the microprocessor pin that data is waiting where it is then read Radio Receive Audio U5A provides a low pass filter used to get rid of high frequency garbage from the radio U5B provides the de emphasis network The audio from U5B goes to the RX VOX DTMF decoder zero crossing detector and the 6 pole high pass filter consisting of U10A U10B and U1OD The output of the filter is used to remove sub audible CTCSS DCS or LTR tones from the radio before being presented to the microprocessors A D converter The receive audio also goes to U13A U13D U18A and U18B which is a squelch detector The squelch detector is used to determine th presence of squelch noise from the radio receiver Radio Transmit Audio The output of the microprocessors D A converter is reconstructed by U20 a five pole low pass filter U4C is used to get rid of any high frequency clock noise from the audio and U4D is used to amplify the results before being presented as transmit audio BALANCED AUDIO There are two transform
40. scope is not available read 1 volt RMS using a VOM Used in VOX mode only Sets RX audio triggering sensitivity Should be fully clockwise in VOX Simplex applications Reduce setting when used through repeaters if land line cannot respond to mobile during hang time due to noise or tone on the repeater carrier Adjust the maximum level going to the transmitter When turned fully clockwise an output voltage of about five volts peak to peak is obtained In most case the output level can also be set in the programming mode Sets the contrast of the LCD Adjust to what is most pleasing to the individual Advance clockwise to a point just beyond where the front panel display Rx message disappears Not all products will display the Rx message Connect Systems Inc Model FLEX II Page 9 JP1 JP2 JP3 JP4 JP5 JP6 JP7 JP8 JP9 JP10 JP11 JP12 JP13 JP14 JP15 JP16 JP17 JP18 JP19 JP25 JUMPER STRAP OPTIONS Line In Use Detector When inserted enables line in use detection That allows the system to detect if another phone in parallel with the controller is off hook Will only work with a phone system where the nominal on hook voltage is about 48 volts Preamp Gain With no jumper installed gain is 100 With the jumper connected to the bottom two pins the gain is about 10 with a 0047 uF capacitor giving 3 db cutoff of xxx Hz With the jumper connect to the two pins
41. system to determine if the phone line has been hung up by a momentary loss of loop current of a reversal of the loop current The hybrid transformers Tl and T2 along with the balancing network allows the system to separate the receive and transmit audio This is only necessary in a full duplex phone patch Receive Telephone Audio The output of T1 is presented to U1D where the Op Amp provides an anti aliasing filter to the Voice storage chip U17 and the DTMF decoder U3 The receive telephone audio passes to the Analog to Digital Converter on the microprocessor as the signal AD TELCO and to the circuitry surrounding UIA where the function of Telephone Vox is implemented Transmit Telephone Audio The output of the Digital to Analog Converter from the microprocessor DA TELCO is passed to U19 which forms a five pole low pass filter This circuitry is needed properly reconstruct the data coming from the microprocessor U1B provides gain before being outputed to the telephone lin Voice Storage Chip The voice storage chip is used to store up to two minutes of voice from either the telephone programming port or the radio The connection from the radio to the voice storage chip is not direct To accomplish this task the unit digitizes the voice from the radio and then outputs it to the telephone If the telephon Connect Systems Inc Model FLEX II Page 29 line relay is not
42. tion of the EIA tones is described later Mode 0 In this mode the PTT is controlled by both the sense input and the telephone VOX When either the Sense Input is active or the telephone VOX is active the PTT will be asserted To go back to the receive mode both the Sense Input and the telephone VOX has to be inactive If parameter 49 EIA tones enable is enabled then the EIA tones will be generated whenever the PTT is asserted If the parameter is disabled then no EIA tones will be generated Mode 1 In this mode the PTT is controlled only by the sense input When the sense input is active then PTT will turn on and when the sense input is inactive the PTT will turn off If parameter 49 EIA tones enable is enabled then the EIA tones will be generated whenever the PTT is asserted If the parameter is disabled then no EIA tones will be generated Mode 2 In this mode the PTT is controlled only by the telephon VOX When the telephone VOX is active the PTT will turn on and when the telephone VOX is inactive the PTT will turn off If parameter 49 EIA tones enable is enabled then the EIA tones will be generated whenever the PTT is asserted If the parameter is disabled then no EIA tones will be generated Mode 3 In this mode the PTT is controlled by the DTMF being received over the telephone lines When the user presses the 8 the PTT turns on and when the
43. user presses the 9 the PTT turns off This mode will work only if parameter 49 EIA tones enable is turned on Mode 4 In this mode the PTT is controlled by the DTMF being received over the telephone lines When the user presses the 8 the PTT turns on without any EIA tones and when the user presses the 9 the PTT turns off without any EIA tones This mode will work only if parameter 49 EIA tones enable is turned on CALLING FROM A CONSOLE VIA THE SENSE INPUT Once the system is active the PTT can be activated via the sense input The actual value needed for an activation can be between ground and 12 volts OPERATION OF THE COS OR INTERNAL SQUELCH In the VOX mode the system can use either the COS Internal Squelch or the VOX to operate the audio direction If Carrier operation is selected then the direction of transmission is determined by the COS or Internal Squelch If the COS or Internal Squelch is active indicating the radio is receiving carrier then Connect Systems Inc Model FLEX II Page 25 the audio will be in the direction of the radio to the telephon line other wise the direction will be from the telephone line to the radio The PTT will be keyed only when there is audio coming from the telephone There is a programmable voice delay to account for the delay from the time the audio is spoken until the time the radio is keyed and transmitting
44. y have a problem and request prompt repair service The unit may be returned to Connect Systems Incorporated 2259 Portola Rd Ventura CA 93003 Connect Systems Inc Model FLEX II Page 33 7 This interconnect product cannot be used on a public coin service provided by th telephone company Connect to Party Line Service is subject to state tariffs Contact the state public utility commission public service commission or corporation commission for information 8 This device complies with part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interferenc received including interference which may cause undesirable operation 9 This equipment generates and uses radio frequency energy and if not installed and used properly i e in strict accordance with the service manual may cause interference to radio or television reception It has been tested and found to comply with the limits for a Class B computing device pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a residential installation 10 If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encourag
45. z F1 Tone followed by 2175 Low Level Guard Tone is a specia Connect Sys to generate 120 ms of 2175 Hz High Level Guard Tone 40 ms of 1050 Hz ALT F1 Tone followed by 40 ms of 1550 followed by 2175 Low Level Guard Tone at 30 db less to generate 120 ms of 2175 Hz High Level Guard Tone at 30 db less that HLGT until PTT is released This l for emergency operation for the USPIS tems Inc Model FLEX II Page 28 GENERAL CIRCUIT DESCRIPTION Telephone Interface Telephone call comes in Telco Jack Jl If the voltage exceeds about 250 volts the two varistors Vl and V2 will conduct and blow the two fuses Fl and F2 This protects against lightning and other high voltage transients on the telephone lin If the systems gets a ringing voltage the optoisolator Q1 will conduct and the output RD1 will present a square wave at the microprocessor whose frequency is the same as the incoming ringing frequency The microprocessor will determine if it s a valid ringing signal The optoisolator Q2 determines if the voltage on the telephone is about 48 volts If it is the signal LBl will be grounded If the voltage goes below about 48 volts that point will be high When the telephone line is connected and the relay is pulled in then the two optoisolaters Q3 and Q4 will indicate the presence of loop current and the direction of the current This circuit allows the
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