CES SDI-50 User & Service Manual Download Page 8 | Manualshive

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C.E.S. Model SDI-50 Manual

The Model SDI-50 is enclosed in an attractive cabinet with Mobile

Detect, Transmit, Connect and Power status LEDs mounted on the front

panel. Front panel Power and Connect/Disconnect switches provide for

local operator control.

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Summary of Contents for SDI-50

Page 1: ...MODEL SDI 50 TELEPHONE INTERCONNECT USER SERVICE MANUAL Communications Electronics Specialties Inc 931 218 S Semoran BIvd Winter Park FL 32792 USA 407 679 9440 800 327 9956 REV 1 92 01000719 20 00 U S...

Page 2: ...ONTROL OUTPUTS 10 4 1 11 TB1 17 and 18 FUNCTION OUTPUTS 1 2 10 4 2 TELEPHONE LINE CONNECTIONS 11 4 3 OPTIONAL CTCSS DECODER 11 4 3 1 CTCSS FREOUENCY SELECTION TABLE 12 4 4 SDI 50 JUMPER SUMMARY TABLE...

Page 3: ...5 35 32 6 5 21 Half Full D plex Enable 5 36 32 6 5 22 Repeat Enable 5 37 32 6 5 23 Mute on Pulse Dialing 5 40 33 6 5 24 Begin Outdial with Star 5 41 33 6 5 25 Begin Outdial with Pound 5 42 33 6 5 26 P...

Page 4: ...C E S Model SDI 50 Manual 9 1 9 Noise Circuit 43 9 1 10 CTCSS Level Comparator 44 Page iii...

Page 5: ...nsceiver Ground Keying Source 100 mA 03 Vdc Input from receiver 50 mVrms to 2 Vrms adjustable Output to transmitter O to 1 0 Vrms max adjustable Telephone Input from telco 30 db to 2 db 600 Ohm balanc...

Page 6: ...C E S Model SDI 50 Manual This page left blank Page 2...

Page 7: ...to the telephone network Intelligent prograinmable toll restriction suitable to your application Programmable call limit and mobile activity timers to help control system loading Time out warning sign...

Page 8: ...e Model SDI 50 is enclosed in an attractive cabinet with Mobile Detect Transmit Connect and Power status LEDs mounted on the front panel Front panel Power and Connect Disconnect switches provide for l...

Page 9: ...e line The caller shouid then enter the number of the desired mobile 1 to 5 DTMF digits terminated by a The interconnect will regenerate this number out to the mobiles as DTMF The mobile must answer w...

Page 10: ...ill return three long tones and disconnect After communications are complete the call may be terminated with the global disconnect code from the mobile or the phone line Example To initiate a Dial up...

Page 11: ...with sufficient current rating The best location for the interconnect is as close as possible to the radio thus allowing the shielded cables and wires to be as short as possible 4 1 TERMINAL BLOCK CO...

Page 12: ...audio input which can be used for special applications when more then one audio source is needed or used There are no controls or level adjustments associated with this input 4 1 7 TBl 9 10 and 21 AU...

Page 13: ...decoders may only provide a small voltage change when detecting the proper tone Resistor R45 enables the installer to set the reference of the voltage comparator to the midpoint between the high and...

Page 14: ...1 6 CTRL 2 goes low true after receipt of Special Connect code followed by the connect code Returns high after receipt of next disconnect code Temporary Toll Defeat 5 20 must be on for CTRL 2 to work...

Page 15: ...s will work without any problem Connect the five wires and set the 5732 for the proper CTCSS tone according to the Frequency Selection Table See the Jumper Summary Table in the next section to configu...

Page 16: ...6 5 4Z 1 0 1 0 0 6 82 5 YZ 0 0 1 0 1 22 141 3 4A 1 0 1 0 1 7 85 4 YA 0 0 1 1 0 23 146 2 4B 1 0 1 1 0 8 88 5 YB 0 0 1 1 1 24 151 4 5Z 1 0 1 1 1 9 91 5 ZZ 0 1 0 0 0 25 156 7 5A 1 1 0 0 0 10 94 8 ZA 0 1...

Page 17: ...the telephone line Cut If the receive audio pick up point is after de emphisis cut this juinper JMP3 Modified Pulse Dialing Intact Make Break ratio 40 60 at lOpps Cut Make to Break ratio 44 56 at 10 p...

Page 18: ...provides 12Vdc to key the transmitter Pin C Relay PTT provides a ground to key the transmitter JMP8 Aux Relay Control The center pin B is common and connects to one of two pins A or C Pin A The auxil...

Page 19: ...Start from a fully counter clockwise position and note that the Mobile Detect LED on the front panel is On Turn R91 clockwise until the LED turns Off Continue rotating the adjustments about 1 8 of a t...

Page 20: ...to be in the Connect Mode on a quiet line To achieve this call into the interconnect and answer the call by pushing the Connect button Or call time and temperature and wait for the recording to stop S...

Page 21: ...Generate a signal on the receive frequency modulated by an 800 hz tone at 4 0 kHz deviation Adjust R61 to 4 kHz deviation on the transmitter frequency 5 7 VOX SENSITIVITY R99 5 C For simplex mode onl...

Page 22: ...values which are listed in the center column 6 1 ENTERING THE PROGRAM MODE The program mode may be entered in one of two ways Local Programming Mode With the supplied DTMF tone pad plugged into the f...

Page 23: ...d mode are turned off The programming codes are grouped by their functions All codes start with the key and follow a similar format each of which is described in it s code group section The examples i...

Page 24: ...5 36 O Set the Sample Rafe 1 0 1 O Set the Sample Rate Multiplier 5 23 24 5 23 5 24 Set the Sample Window 1 1 1 1 Turn off the Repeat Enable 5 37 5 37 O JMP4 shouid be cut or removed 6 2 2 HALF FULL D...

Page 25: ...Limit Reset on 6 5 3 14 Simplex enable note 1 simplex off 6 5 4 15 Toll restrict on 1st digit note 2 on 6 5 5 16 Toll restrict on 2nd digit on 6 5 6 17 Pulse dialing off 6 5 7 20 Toll Restriction Ove...

Page 26: ...sed to modify the sample rate Note 2 This is a two part switch The following switch number must also be set Refer to the section in the manual for more detail on setting these Note 3 Switches 23 and 2...

Page 27: ...he sample window should be set as short as possible while still allowing the mobile to capture the interconnect on a weak signal The function is programmed in 2 ms steps by entering a three digit mult...

Page 28: ...ne 018 tone 6 4 6 Mobile Activity Timer 1 5 This timer is used to disconnect the interconnect and unkey the transmitter if the mobile should drive out of rango or go off the air Each time the mobile t...

Page 29: ...umber will result in the Error Message being transmitted and then immediate disconnect For toll restriction to be active software switch 5 33 should be turned on To program the toll restrictions you f...

Page 30: ...ed by the switches 00 through 11 will be restricted as the first dialed digit by using Program Code 5 15 Use Code 5 16 for the second dialed digit Restrict Program From__________________Sequence First...

Page 31: ...13 tone O tone disallow reset 6 5 4 Simplex Enable 5 14 This function enables the simplex use of the interconnect If simplex use is desired turn this function on and turn 5 36 off See section 6 2 1 fo...

Page 32: ...are automatically rearmed If this switch is turned off the toll restrictions will apply to all calls See the Special Connect Code for details on it s use 5 tone 20 tone 1 tone allow toll defeat 5 tone...

Page 33: ...e audio and decreasing the sample rate The sample rate will automatically be slowed down to provide less interruptions in the phone line audio When turned on switch 23 will multiply the sample rate by...

Page 34: ...t ring on off 2nd ring off on 4th ring on on 8th ring Example To answer on 2nd ring enter a 1 for switch 5 25 and a O for switch 5 26 5 tone 25 tone 1 tone 5 tone 26 tone O tone 6 5 15 Interconnect En...

Page 35: ...lled mobile may answer Ring Out may be turned off if only selective signalling is desired or if its desired that the interconnect be dedicated to mobile to landline calls For the interconnect to conti...

Page 36: ...always active while selective signaling and Ring Out may be turned on or off If auto answer is off then the interconnect will signal the mobile and wait for the mobile to send the connect code before...

Page 37: ...is monitored to determine when dialing is completed and un mute the Receive Audio 5 tone 40 tone 1 tone mute is enabled 5 tone 4O tone O tone no muting 6 5 24 Begin Outdial with Star 5 41 When select...

Page 38: ...e no regeneration 6 6 CONTROL CODES 6 6 1 Remote Programming Code 6 When the Auto Answer function is on the interconnect can be remotely programmed from the telephone line by entering the Remote Progr...

Page 39: ...switch 5 20 should be turned on If a toll call override isn t desired turn 5 20 off Phone Line In Use Detector This code will allow a mobile originated call to break into a call already in progress T...

Page 40: ...epeat capability On and Off from a the telephone using DTMF tones 6 6 7 Dial up Remote Code 8 The Dial Up Remote feature is always active when auto answer is on There is a programmable Dial up Remote...

Page 41: ...or during programming if an invalid program code is entered NOTE Never remove the Error Message This Message is essential to inform the operator of several functions and error conditions durring use a...

Page 42: ...e SDI 50 between each two digit character number as they are entered Example To program OFF in the disconnect Message enter the following 9 tone 1 tone 63 tone 33 tone 33 tone 08 tone Remember when pr...

Page 43: ...pendently of each other will usually work Two transceivers may be used by making the appropriate connections to each Before adjustments can be made all connections to the associated radios must be com...

Page 44: ..._______ 11 Toll restrict on number 9 off ___________ 12 Selectivo Signaling on ___________ 13 Call Limit Reset on ___________ 14 Simplex enable note 1 simplex off ___________ 15 Toll restrict on 1st d...

Page 45: ...o modify the sample rate Note 2 This is a two part switch The following switch number must also be set Refer to the section in the manual for more detall on setting these Note 3 Switches 23 and 24 hav...

Page 46: ...d peripheral generates and decodes all 16 DTMF digits DTMF data is passed to and from U2 via the audio circuits and the Microprocessor Control System The Analog Switches control the path of encoding a...

Page 47: ...ronic holding coil to sink off hook current Line transformer TI couples telephone and radio audio This single transformer provides 35dB of isolation as a fuli duplex hybrid Audio from the radio receiv...

Page 48: ...a network that gives a peak DC reading of the amount of noise on the channel This signal is sent to a comparator half of U18 that provides a logic level signal to the microcomputer 9 1 10 CTCSS Level...

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