Crypto CRYPTOCOM HC-250, Installation Instructions Manual

Page 1: ...HAGEUN CRYPTOS CRYPTOAG 3B866 CRYPTOCOiVP HC 250 INSTALLATION INSTRUCTIONS...

Page 2: ...NECTIONS AREMADE A VOIDCONT ACTWITHCONDUCTORSCARRYING 110 220 V FAILURE TO COMPLY WITH THESE PRECAUTIONS MAY RESULT IN SEVERE INJURY CAUTION BEFORE CONNECTING THE SYSTEM TO THE MAINS SUPPLY ENSURETHE...

Page 3: ...H N I C A LD A T A 2 1 AUDIO INTERFACE 2 2 COMMUNICA TIONINTERFACE 2 3 TRANSMISSIONDELA Y 2 4 SIGNALLING 2 5 SYNCHRONIZA TION 2 6 CHANNELREQUIREMENTS 2 7 CRYPTOLOGICALDA T A 2 8 P O W E RS U P P L Y...

Page 4: ...P L U G T E P 2 5 0 5 4 5 9 M O U N T I N G H A R D W A R E P A H 2 5 0 5 4 5 1 0 T E L E P H O N E T F C 2 5 0 5 4 6 I N S T A L L A T I O N P R O C E D U R E S 6 6 1 INSTALLATIONS USING THE SYSTEM C...

Page 5: ...T R O U B L E S H O O T I N G 9 _ 1 9 1 C H E C K L I S T F O R O P E R AT I N G PA R A M E T E R S 9 2 9 2 S U M M A R Y O F P O S S I B L E M A L F U N C T I O N S 9 3 9 2 1 MALFUNCTIONS ASSOCIATED...

Page 6: ...HALF DUPLEX RADIO WITH X MODE INTERFACE FUNCTIONDIAGRAMOFUNIVERSALINTERFACEBOARD UNIVERSALINTERFACE BOARD CIRCUIT MODIFICATIONS UNIVERSALINTERFACE BOARD CONTROLINPUTSECTION UNIVERSALINTERFACEBOARD COM...

Page 7: ...G V FIGURES Fig 7 1 INTERFACE PARAMETERS FOR UNIVERSAL INTERFACE Fig 7 2 INTERFACE PARAMETERS FOR HALF DUPLEX INTERFACE Fig 8 1 SUMMARY OF OPERATING PROCEDURES Fig 8 2 DETAILED OPERATING PROCEDURES F...

Page 8: ...asic unit to be located conveniently A version is also available as a self contained cipher terminal housed in an attractive Samsonite briefcase This version is referred to in these instructions as th...

Page 9: ...ty Complete freedom from residual intelligibility of the ciphered signal giving very high level security High immunity from transmission disturbances such as linear and non linear distortions fading n...

Page 10: ...vel and impedances in the audio interface board and are then passed to the analog signal processing board The resulting s i g n a l s a r e th e n c o n v e r te d i n to d i g i ta l fo r m fo r fu r...

Page 11: ...e entered and changed by the security officer It consists of 32 decimal 3 2 digits providing a diversity of 10 for each key The HC 250 is capable of storing 8 independent communication keys CK allowin...

Page 12: ...IC UNIT Ref Fig 1 4 The basic unit is a modular design allowing access to the printed circuit boards pcbs as shown in Fig 1 4 The system connector is located on the front panel of this unit The front...

Page 13: ...ntrol unit in mobile applications A wide range of cables is available to meet customer require ments including ACP 250 DC Battery Supply Cable ACP 103 AC Mains Cable 2 core ACC 123 AC Mains Cable 3 co...

Page 14: ...n g e f f e f f 3 300 200 350 3000 Hz 15V 30 mA floating 2 2 COMMUNICATION INTERFACE Input Output Impedances Frequency Range 10 mV 1 5 V floating 2 mV 1 5 V floating e f f e f f 3 300n 200fi 640 2880...

Page 15: ...ission Bandwidth Standard operation with Slightly Reduced Voice Quality Transmission Loss Signal to Noise Ratio Frequency Drift 600 2900 Hz 600 2400 Hz 30 dB 10 dB 100 Hz 2 7 CRYPT0L0GICAL DATA Custom...

Page 16: ...Operating Temperature 10 60 C Vibration 2 5 g 7 200 Hz Shock 30 g 11 ms Electromagnetic Compati bil ity Conducted and Radiated Emission Radiation Susceptibility 10 kHz 30 MHz AM 30 MHz 1 GHz FM Within...

Page 17: ...ocks in Fig 3 1 corresponds to a printed circuit board with the exception of the AC module which is mounted on the front panel The following paragraphs describe the individual blocks 3 1 1 INTERFACE B...

Page 18: ...FR Input filter for RX signal Switchable AGC automatic gain control circuitry for RX signal Off hook detector VOX detector and control logic for echo suppression Signal detector for plain override fun...

Page 19: ...signal 4 variable gain amplifiers for the signals AFT TX RX AFR Input filter for RX signal Signal detector for plain override Switchable microphone supply Optical interface for the input control signa...

Page 20: ...on blocks For cipher process AGC circuitry Filter mixer group for division into sub bands Sampling and parallel serial conversion of the sub band samples For decipher process Serial parallel conversio...

Page 21: ...ng and interpolation filter for transmitted and received cipher signal FSK receiver and detector for synchronization and tracking signal Detector for plain override 3 1 4 MICROPROCESSOR BOARD This boa...

Page 22: ...the key memory with the back up battery The board consists of the following function blocks remote control unit Input output sections for the control signals Memory with back up battery for key and op...

Page 23: ...he DC fusing and over voltage protection 3 1 9 REMOTE CONTROL UNIT All the operating functions of the HC 250 are carried out using the remote control unit The display allows the operator to check inpu...

Page 24: ...G 3 8 3 2 S I G N A L L I S T The following table gives a list of the various signal designations and functions Signals which a r e m a r k e d w i t h a n S a r e a v a i l a b l e o n t h e i n t e...

Page 25: ...hered speech signal at input of interface board Audio Frequency Audio Frequency Transmit Transmit around Ciphered speech signal from microphone galvanically isolated AFT 1 Audio Frequency Transmit 1 F...

Page 26: ...control output of the processor system P LACT s L i n e a c t i v e Control signal for the automatic power on off function L ACT 0 S Line active Ground LACT1 Line active 1 Control signal at output of...

Page 27: ...trol signal which indicates the status of the transmit button of the handset Universal interface Relay contact for transmit receive control or for P C display Control signal at output of interface boa...

Page 28: ...O I 4 J 1 o r T 3 en C r d t r o C a l l r o S C o c o c o r 4 1 4 T 3 J c i r 1 O 3 a a Q c o C l a Q 3 S 3 5 3 U C3 oo oo S t a OO c c o r o r j P 00 t c J en 1 r o C O D Q Lf CO OO OO 0 0 o o _ CQ...

Page 29: ...them with a 4 wire connection It is clear from Fig 4 1 that during plain operation the original circuitry is unchanged The microphone supply delivered from the line supply via t h e t e l e p h o n e...

Page 30: ...X IN 0 should be connected to the system ground Ref Fig 4 5 When the HC 250 is to be operated with automatic power on off func tions a switched supply from the radio telephone system is re quired e g...

Page 31: ...the microphone type The control circuit for the transmit receive function remains unchanged in cipher operation The control signal is nevertheless monitored via the output AUX IN AUX IN 0 A relay cont...

Page 32: ...RF ACEBOARD _ Ref Figs 4 4 and 4 5 Fig 4 4 shows the connection of the HC 250 to a half duplex radio with push to talk button the HC 250 being _ equipped with the half duplex interface board In this c...

Page 33: ...h possible reverse polarity are used A further advantage of the half duplex inter face board is that the plain and cipher sides can be galvanically separated even with handsets which have common groun...

Page 34: ...amplifier the transformer and the P C switching contact to the outputs AFR AFR 0 The connections RX RX 0 feed the received signal co ming from the repeater equipment As for the AFT input the P C switc...

Page 35: ...signal RX1 acts as a plain override function In plain override mode the control signal POR switches the amplified RX signal directly to the AFR path where an intermittent alarm tone PORI plain overri...

Page 36: ...Bridge B7 1 2 must be set If it is required to dispense with the automatic power on off function the LACT input remains unused Bridge B8 J 1 3 ensures that LACT1 always equals 1 The key switch of the...

Page 37: ...put is used for a reset signal Bridge B9 2 3 or 1 3 must be set as appropriate The standard connection B9 1 4 must be removed The AUX IN input can be used for an external P C swit ching control pulse...

Page 38: ...ing table gives details on the calibration range and impedance conditions of the interface AFT AFR RX and TX The amplifiers can be adjusted in 3dB steps The sig nal AFT can be produced by supplied mic...

Page 39: ...0 0 q i n 38 dBr 55 mVpp 59 dBr 5 mVpp A F R 0 dBr 4 4 Vpp 45 dB 25 mVnn r P P R 1 8 0 Q out R 300 a R X 0 d B 4 4 V P P R 3 0 0 a i n T X 45 dB r 25 mV P P 0 d B r 4 4 V p p R 180 n out 2 1 d B r 3...

Page 40: ...tial setting the inputs AFT and RX are set for minimum sensitivity and the outputs AFR and TX are set for maximum output level By altering a given individual switch position from the initial setting a...

Page 41: ...tion is that the AFT input is completely uncoupled in plain ope ration However the plain side signal detector for echo suppression the switchable AGC circuitry of the RX path and the off hook detector...

Page 42: ...are possible Ref Fig 4 14 If it is required to dispense with the automatic power on off function the LACT input remains un used Bridge B12 J l 2 ensures that LACT1 always equals 1 The key switch of t...

Page 43: ...plain override detec tion Bridge B18 J 2 3 must be set for inversion 3 4 must be set The signal POR ENV plain override envelope must be 1 to allow plain override during deciphering The connections AU...

Page 44: ...two possible variants for the transmit re ceive control The push to talk detector circuitry and the R T control circuitry are galvanically separated Ref Fig 4 4 The transmit phase is artificially ext...

Page 45: ...into the mounting kit by means of the guide rails until it is locked in by the catches A click can be heard when the unit is fully home When the basic unit is demounted the two catches on the side of...

Page 46: ...the connection of a battery in the engine compartment to the basic unit in the boot trunk An additional insu lation sleeve protects the cable in the engine compart ment area The fuses which must be u...

Page 47: ...ck and the connector must be subsequently completed The pin positions are given in Fig 5 4c 5 7 AUDIO CABLE AFC 250 REF FIG 5 5 The audio cable AFC 250 is used in conjunction with the MDF 100 to conne...

Page 48: ...For standard telephone applications the version CAS 250 003 is provided 5 9 BYPASS PLUG TEP 250 REF FIG 5 7 The service test plug is used for testing and repair purposes The plug restores the origina...

Page 49: ...TY THAT THE BASIC UNIT SCONNECTORPINSMA YBESHORTEDTOGETHEROR TOGROUND THISMA YCAUSEANEMERGENCYCLEARPROCE DURETOTAKE PLACE THE COMMUNICATION KEYSAND OPERA TINGP ARAMETERSSHOULDONL YBEENTEREDAFTER THE S...

Page 50: ...H OF THE SYSTEM CABLE TO A TELEPHONESET The procedures for connecting the audio branch of the system cable to a telephone set vary according to the type of installation Figure 6 3 illustrates the conn...

Page 51: ...ween the colour codes of the audio cable and the signal desig nation is always the same 6 1 3 CONNECTING THE POWER SUPPLY AC The power supply connection is made with the AC mains cable ACC 123 Ref Fig...

Page 52: ...r mobile applications but it can also be used in fixed installations with special wiring configurations The following cables are used in conjunction with the Mounting Kit MDF 100 Remote Control Cable...

Page 53: ...ole connector in accordance with Fig 5 4c Open the remote control unit by unscrewing the two screws in the bottom casing and remove the print 4 Unscrew the two screws retaining the top half of the cab...

Page 54: ...le should be connected as follows 1 Connect the red core to pin Nr 19 2 Connect the blue core to pin Nr 37 6 2 2 3 Connecting the Remote Control Cable RCC 250 To connect the remote control cable pin c...

Page 55: ...the frame and then pushing the top of the panel home 6 2 2 5 Additional Grounding The mounting kit is equipped with an external grounding p o i n t T h i s i s p r o v i d e d f o r u s e i n e x c e...

Page 56: ...r at the front of the basic unit Ref Fig 1 1 The AC fuse has a 500 mA rating and is of slow blow type CAUTION ALWAYS USE FUSE OF CORRECT RATING 6 2 3 2 Connecting DC supply For DC supplies the red cor...

Page 57: ...e connected in parallel with or instead of the existing telephone installation According to the situation either the telephone socket or the tele phone set itself must be accessed Ref Fig 6 10 to allo...

Page 58: ...ction gives details on how to adapt the hardware for the various operating parameters Figs 7 1 and 7 2 show the location of the various bridges for the respec tive interface boards and also summarize...

Page 59: ...B 7 1 2 B 8 1 2 B 9 1 4 BIO 1 3 Bll 1 2 2 5 may remain connected TABLE 7 1 Typical gain settings are as follows Ref also Fig 4 11 T X 6dB R X 15dB AFR 15dB AFT 6dB Typical settings for the important o...

Page 60: ...s 3 3 2 2 2 2 2 2 2 5 2 2 1 4 must be disconnected Table 7 2 Typical gain settings are as follows Ref also Fig 4 11 T X 50dB R X 6dB A F R 6dB A F T 50dB Typical settings for the important operating p...

Page 61: ...arameter d l b Point to point communication in non switched net works parameter d 2 c Multipoint Communication parameter d 3 Typical connections for half duplex radio applications are listed in Table...

Page 62: ...important operating parameters are given below A dash indicates that the parameter can vary in different applications Parameters must be set in accordance with Fig 8 1 Refer also to OPERATING INSTRUCT...

Page 63: ...included in the OPERATING INSTRUCTIONS Documentation No 3B823 This section is intended as a reference when in stalling the HC 250 refer also te Section 7 Figure 8 1 summarizes the various programming...

Page 64: ...eck the system in plain operation 2 Check the operating parameters Ref para 9 1 3 Check the bridge settings and gains etc on the interface board 4 Check the system wiring Paragraph 9 2 gives a summary...

Page 65: ...at Partner Stations a Cipher Algorithm Y e s b UIC Clearing N o c Plain Override N o d Network Structure Y e s e Signalling Frequencies Y e s f Tracking Burst Level N o g Channel Round Y e s h Preambl...

Page 66: ...or 220 V for local mains supply AC fuse is blown replacement fuse is located together with active fuse in the holder at the front of the unit DC fuse inside unit is blown The power on off control is s...

Page 67: ...The transmit receive criteria on the AUX IN or PTT input as appli cable is utilized with the in correct logic polarity Bridge B9 or BI3 respectively is wrongly connected Alternatively the R T is fed w...

Page 68: ...set Interface board is adapted for 4 wire transmission instead of 2 wire Bridge B5 is wrongly set common in telephone operations After successful synchroni zation the system returns to plain mode No v...

Page 69: ...face board overload transmit receive mode of radio circuit modification shown in Fig 4 8 and 4 13 Telephone is too close to the basic unit Electromagnetic inter ference Required microphone supply not...

Page 70: ...r The AC voltage basic unit is i and the mains s transmission path uppression of 150 Hz in radio gh pass filter is bridge B3 TX gain too high selector on the n 220V position upply is 110 V Too little...

Page 71: ...igh background noise level when both the previous measures cannot be carried out For telephone applications with two wire switching on the plain side AFT and or AFR amplification is too high for the g...

Page 72: ...essing and formatting of the stored data Detailed instructions for programming are contained in the KDPOPERA TINGINSTRUCTIONS A l 1 Format and Size E P R O M Ty p e 2 7 1 6 2 0 4 8 x 8 B i t C o n t e...

Page 73: ...ows hexadecimal coding A d d r e s s D a t a C o n t r o l W o r d 0 0 0 0 0 0 0 0 0 1 0 0 K e y I n p u t I d e n t i fi c a t i o n 0 0 0 2 0 0 C o d e 0 0 0 0 3 0 0 0 0 0 4 0 0 0 0 0 5 0 0 0 0 0 6...

Page 74: ...the remote control unit in the order a b c d e f g h Where a corresponds to the character which is first typed b to the second character and so on If the key input identification consists of less tha...

Page 75: ...f the Structure Key The structure key generally consists of completely random data The data is divided into 128 Bytes 8 bit Each of these bits can have a value from 00 to FF hexadecimal code E g A d d...