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        Furuno FM-2710 Telephone User Manual
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1.                                                  10   3 3 V 25bis Command  Indication                10    C SOS      MT                           12  3 4 1 Direct call setup                                     12  3 4 2 Address call setup                       13  3 4 3 Manual call setup sequence                                                                                   14  3 4 4 Automatic call clear sequence                                                                                15  3 4 5 Call clear sequence from land                                                         a    rr    15  3 4 6 Manual call clear sequence                                                                                    16    4  MAINTENANCE  amp  TROUBLESHOOTING    luris CNV AN GC           UE 17  4  1  NC ANG  teas                                 17       2 Resetting Ne Creu DEGOKGF    17  4 2 Self Test at Terminal Unit              2222   2                                           umuq umu mus mus ma s N 17  4 23                             TON ING W SON          m 18    5  INSTALLATION    SEMOUN                                Pee et    19  5 1 1 MOUNTING                                                      19  3 2 MOMIN                           uu T 19   9 2  VVIFIEYG     ten a                                                     20  5 2 1 Wiring between HSD modem and                          20  5 2 2 Modifying the RF CONV board in the communication unit                    
2.                                          CES NCS FELCOM    Calling operation   dialing     Access req  SU    SES RQ    CESI  Ch  assignment req  SU       Channal asgignment SU    NCSI  NCSA    HSUB Service addr  SU  GG ii scr  vec  advise SU  Scr  vec  ack SU HSUB  RI ON         Ret  carrier ID SU    OFF HOOK   DTR ON                          HSUB  Call to    subscriber      lt     Reply from    subscriber D RI OFF    DSR ON      P  CTS DCD ON            m    Figure 7 Manual call setup sequence    14    3 4 4 Automatic call clear sequence  An automatic call is cleared when the DTR signal is received from the HSD terminal   The HSD terminal turns off DTR  then the automatic call is cleared     The HSD terminal sends clear signal to CES  then HSD modem turns off DCD and  CTS  Finally HSD modem turns off DSR     CES NCS FELCOM    DTR OFF   4                  Ch  release SU    10 times    HSUB  Disconnect  DCD GIS OFF       CESI  Ch  release SU DSR OFF    Figure 8 Automatic call clear sequence    3 4 5 Call clear sequence from land    Land clears automatic call  then CES sends clear signal  The HSD modem turns off DCD  and CTS  Finally  the HSD modem turns off DSR  and the HSD terminal turns off            CES NCS FELCOM    Disconnect  from land    Max  2 min  delay Ch  release SU    Ch  release SU    i DCD CTS OFF  10 times    DSR OFF  Ch  release SU DTR OFF                Figure 9       clear sequence from land    15    3 4 6 Manual call clear sequence    CES NCS FELCOM    OFF 
3.                                   DPRAM OR VITERBI OK                                                                                              DEMOD           VOICE  CODEC         HSD MODEM   CPU OK DEMOD OK DECODE OK           Press any Key      Figure 12 Self test results    4 3 Troubleshooting for the User    The table below provides simple troubleshooting procedures which the user may follow to  restore normal operation     Table 3 Troubleshooting table    check satellite line and LES line    check land line  land line network    traffic on land network may be heavy    gateway or server problem on land line    network protocol cannot pass through line to Inmarsat    ask subscriber to check his equipment    check that  in an address call  character format is compatible  with HSD terminal and HSD modem    check HSD terminal for proper setting    problem may lie with network to which the HSD modem is  connected    check communication unit antenna  antenna tracking problem   incorrect OID DID  cabling on HSD modem     check HSD modem  check that HSD modem is on  check  cabling to HSD terminal      HSD communications not  possible    Calling    check if automatic data rate switching is OFF   Cannot call manually  Manual transmission is not possible when the Data Rate switch  setting and data rate of received call are different           check that subscriber       is correct   Cannot call automatically          subscriber        be busy  Try again later     check if automa
4.                         1 wis D        1  lt GND PEM Ir 2308 i           te          i ND       gt     2  lt GND        gt                 21414             8  gt  4                                      3 MEMES  gt  2   4 4  lt                 lt      4 ENT D 4 4 1   lt  4           gt  5  lt LA23 1         73    6                                                          i                 i B D RO  1   6                      gt  F90 TX    680  i      TET  cus                i2                                   t              10  lt  RAL  VOLI  1   amp  j                           1 gt 10 R D  5V gt     Ji wrie  26 Jif                L    11   LA20 voL    2 DIMMER               RX IF  1B   68i      IF   1     RX  IF    20 gt 11 gt           12  lt           2  5   gt  vOLS   3  gt      FELCOM 93 GND   3  gt            lt  3  lt GND LAT8  137     M      B  14  lt          5 5 02 gt  l SDk      22 wg rt 112 1EMHE gt  4 4  lt 12                       oo aS                         4  gt REF IN 10  56MHz   5  gt            5   10  56       ei    t       4 64  BDE       9 iK GND   6     6  lt GND NC gt 16  gt  1651501 5 05 gt  4         NC   7        1   NC               ET        B                          for    wa  7 HT   NCYIB CER T            lt 19   MEDIO SwOT   o                TX   gt FSE TX       IFE  681           gt 10                    P  gt         o   DROD 5 708 gt 10 gt      lt 1           ig ac ah Ta     Nro TECH Ti            NE           1                         
5.                  21  5 2 3 Wiring between HSD modem and communication unit                                          26     2 4 GOUNA erer l u u       a                 26   APPENDIX Usage Tips   Communication with other makes of Inmarsat B                                                                      27   AMONG sisisi e eae      XS                      27                                   M E        27   TOPP                                                       Rn 27   Bouter Setting Tor                CONNECCION u                S 27   NetWork                     u ua T 28   Synchronous asynchronous adapter 2    29   kana                  E ETT 30   SPECIPICAYIONS                    SP 1   OUTLINE DRAWING                                                   22222222 2222   D 1   INTERCONNECTION                                                                     S 1   SCHEMATIC DIAGRAM                                                                 S 2   INDEX        E                              Index 1    Declaration of conformity to type    INTRODUCTION    FURUNO Electric Company thanks you for selecting the IB 681 High Speed Data  HSD   Modem  We are confident you will discover why FURUNO has become synonymous with  quality and reliability     For over 50 years FURUNO Electric Company has enjoyed an enviable reputation for  excellent marine electronics equipment  This dedication to excellence is furthered by our  extensive global network of agents and dealers     Th
6.                 5 449 Signal Signal Description DCE DTE    1   LIN ANE RN s        mw             gt  _  s  m          Ws               _   em        ne                          2             eros      _  a  e  os   ww               _   Tam   om   e   Data Terminal Ready      _          oo         ___                        _            ERN NNNM NEM M NEN  Pin  male  arrangement   19   5    102   Signal Ground          Pin nos  1 3  10  14  16 18  20 21  28  32 37 are not used        Figure 15   5 449 Interface    Fabrication of plug case assy          Aluminum tape   Fold back braided shield         onto cable  tape shield  as shown           Cable Clamp  Cable    Figure 16 Fabrication of plug case  same procedure for 25 pin  37 pin     5 2 2 Modifying the RF CONV board in the communication unit    1  Turn off the communication unit   2  Detach the cover     3  Replace the RF CONV Board as follows if it is version  4 or below     a  Unfasten the coaxial connector nut     Unplug all connectors from the RF CONV Board   c  Dismount the RF CONV Board   d  Mount the new RF CONV Board  plug in connectors to the board  and fasten the  coaxial connector nut         For the new RF CONV Board  set R135 according to antenna cable length as shown  in the table below  See Figure 19 for the location of R135     21    Antenna cable    length Position of R135    10 to 40m Marked position  default position   More than 40 m Fully clockwise  max  output power     4  Remove the CPU2 Board from 
7.              2  V     2 5015  cient      10    Index 1       FURUNO ELECTRIC        LTD          5  17      D 9 52 Ashihara Cho  Nishinomiya City  662 8580  Hyogo  Japan    __       481 798 65 2111 Fax   81 798 65 4200    Pub NO  DOC 230    Declaration of conformity to type       We FURUNO ELECTRIC CO   LTD      Manufacturer     9 52 Ashihara Cho  Nishinomiya City  662 8580  Hyogo  Japan     Address     hereby declare under our sole responsibility that the product    Inmarsat B satellite earth station HSD Modem models      680 for Felcom 80A 80B and      681 for  Felcom 81A 81B     Model names  type numbers     to which this declaration relates conforms to the following standard s  or normative document s          60945  January 1997  IEC 60945 Third edition  1996 11      title and or number and date of issue of the standard s  or other normative document s      For assessment  see EC type examination certificate N   KCS 99212003 AA 00 of 2 June 1999  issued by KCS Certification  The Netherlands    This declaration is issued according to the provisions of European Council Directive 96 98 EC on  marine equipment modified by Commission Directive 98 85 EC     On behalf of Furuno Electric Co   Ltd        Hiroaki Komatsu  Nishinomiya City  Japan Manager   June 16  1999 International Rules and Regulations     Place and date of issue  _    name and signature or equivalent marking of authorized person     
8.           lt   gt       rior      I      443 w   2        2  sbs TX ON  64K     1371 13  TX                      r     SDB        TX_ON  56K   gt 14      lt     _        SF RO           1    880          NC gt P4 180527      24  lt DROS            5  lt SYNC        j                      500 gt 25 lU  pg mE FAIL gt 168 16 lt FAIL               gt 26 gt                 gt 20 Pam 26  lt DAUKS LEDUS   1721       11  lt LEDOS H 4     t SD1D gt 27T         28 lt    06 LEDOS5    8 16 lt LEDO6 1      NC gt 28 DEOA 2B                      LEDOT gt 10 10 lt LEDOT  SbD11  20 4 4       I 3D   LEDOB 20 20   LEDOB  r7            U CU        077777 T7467  TT TT NC 30                  31   5D1 2      gt  1 21        1 1       Fin 124       SD12  31    T  32  lt DRQT      gt 22 22  NC 1        680            NC  SP  DRAOIIS Tre LEDUQ  3          PS  LEDO9     gt  FBO RX AND     EES     383  5D13    RX ANT    80 R SD13 gt 33     34   NC LE5D O 24        4  24  L5D10    FELCOM 90  i      gt 34 2 5    gt  35 lt SD14 LED 1   29        25  LEDI1  1    lo Quran           5014 gt 35   rik 30   HASTER LED  2 gt 26    tHz26 lt LED 2    e  50 only   W22  gt  REF    Li      gt         T              MASIERLSRA air tae  lt SD15 LEDI3S gt pPT gt       T  lt LEDI  3        gt             5015 gt      H   M  8  GND LED  4 gt 28 gt        6268  lt        4 1  ANT 484             gt  38 TEST  arto  lt       lt       2 LED 5 29           429   LBDIS i      14     1 NC gt  30         mam LEDI6  30             
9.       __                            __    ojemmmmm _    31                             mem m   om             Eu  Eu  YnP  Thermoplyae BV  BF  BT  BD  BHSD  pending results                                  __        m                 sa              m                               2   om           France Telecom at Perth   France Telecom BV  BF  BT  BD  BHSD       e       an   gt  eee                    pem aF    um em                xn om          memmem _                  BV                    BHSD                             pon eem   a  Far      evar  m umm         __    em mmm  Paula  mm                   ron                                                                           32    SPECIFICATIONS OF HSD MODEM UNIT    IB 681  1  GENERAL   1  Tx Frequency 179 8 MHz   2  Rx Frequency 90 0 MHz   3  Channel Frequency Spacing 100 kHz   4  Receive Level  60 dBm to  90 dBm   5  Transmit Level  12 5 dBm   6  Channel Rate 132 Kbps   7  Modulation O QPSK  50  filtered   8  Data Speed 56 64 Kbps  synchronous   9  Interface RS 232C  Dsub25p   RS 449  Dsub37p   2  POWER SOURCE   1  Rated Power 100 220 VAC  410    0 3 0 2     1 Phase  50 60 Hz  3  ENVIRONMENTAL CONDITION   1  Temperature  15   C to  55   C   2  Relative Humidity 93  at  40   C   3  Water Resistance IPX2  4  COATING COLOR   1  Cover 2 5GY5 1 5 Newtone No 5     2  Panel N3 0    SP   1    300    e                          100 124       100   _    400   4                  1mm                  4000 lt L 00   10mm     
10.      _       Emu            om meme   sons unm        om em mmem  _        qa  Raisting DeTeMobil BV  BF  BT  BD  BHSD   sone Emm me                usguel   eem a      perm pe   omo          sone pee em                          Beijing Marine at Beijing Marine  amp   Southbury Navigation BV  BF  BT  BD  BHSD                               eee emm   om moss      Mee mm  om             ow e  om               30                  Hong Kong at HKT BV  BF  BT  BD  BHSD  Laurentides  AOR W   Indot at Laurentides      007 BV                    BHSD               20762 Tecoma Korea Telecom BV  BF  BT  BD  BHSD  Laurentides            AOR W   Laurentides Stratos Mobile Networks BV  BF  BT  BD  BHSD  AORW          puin al Morsviazsputnik BV  BF  BT  BD  BHSD  Laurentides p Kosa ask    AOR W          at Southbury OTE                                  BHSD  Singapore Telecom         AOR W Singapore Telecom 8                   BD  BHSD  AOR W   Southbury CMC ELEM BV  BF  BT  BD  BHSD  ACRW                   Italia at Telecom Italia BV  BF  BT  BD  BHSD  Southbury docu v i EE  AOR W   Telstra at Laurentides         omo BV  BF  BT  BD  BHSD  AOR W  VSNLat Southbury VSNL owe BV  BF  BT  BD  BHSD      m m xem  mem qmm                       ET         eme eee                                   BV                    BHSD       gem                    mm           ann                               U FnP  Kuantan Malaysia Telecom BV  BF  BT                    om mmm    epum           om               
11.     1  Connect the communication unit to the IB 681 with three coaxial cables  TX IF  RX IF   REF connectors  and one serial cable with 9 pin connector  HSD CTRL connector      Coaxial cable  Max  5 m  BNC P 55UX2     TX IF Lu TX IF    RX IF q    RX       122 REF HSD 16S0277    COMMUNICATION              Ship s  UNIT IB 281 I         HSD CTRL HSD CTRL       Serial cable  Max  5 m  17JE 573 2 harness     Figure 24 Connection of IB 681 and communication unit    5 2 4 Ground  N CAUTION    Connect the copper strap  supplied  between Ground the equipment to    the earth terminal on the IB 681 and ship s prevent electrical shock  superstructure  and mutual interference        26    APPENDIX Usage Tips    Communication with other makes of Inmarsat B terminals    HSD communications time may increase depending on communications content when  the HSD modem is used in a network  In this case  normal telephone and fax communica   tions are disabled  except distress   thus frequency of communications and communica   tions time must be carefully considered when drawing up communications plans  If  communications overlap one another  it may be necessary to install an additional MES     Landline    Most landlines use ISDN circuits  and rules of operation vary with country  Thus several  ISDN terminals may be necessary     Circuit delay       takes about 15 20 sesconds for an HSD call to reach land terminal once the call is  initialed by an MES     Propagation delay    A delay of about 15 20 
12.    DTR_H gt  2  o   lt  2 D2 gt  2 n gt      gt   124 5     lt   1  lt SAD         3  lt      IN N   19V      SAD  61 AQ 12 21   5      62   GND DTR_L    f   4  lt   5   gt  4           63   GND GND  gt   3 NC     1 3  10  14  16 18   5   AC           cuv  5               64   GND    es   20  21  28  32 37  i         GND1  gt  T  gt  gt     gt  gt  a     i      gt  gt                                 C     222014   14222206000            1  j             4    asp CTRL  9  927   Dvvvvvevv Dvvvvvvvvv                                             YN     7      48 w 11    NM   nore                 _                                                        o           4        gt               s         6        6       a         a     a    VO  MOro 1 T                      am                         tum en or D         n n               M B                                                                                                           gt  gt 0 Tg  289  DISTRI  234552002 552255226 425245220        gt 00 gt  gt 0          i 9  16  0163           z e wr Z Z Q  Z             Z u rz             2                       0     400              0  00                  _____      h        wm     A s     du a me             s     s Gus que                 w c c m am e     e              W    wr    a 7    q s ee ee m ee m ss         CT _ _                              1  ACROSS  FELCOM 80 96   9                 APPROVED     jawa tX          Note 1  Broken line areas show parts for FELCOM
13.   distances to prevent deviation of a  magnetic compass     Standard   Steering  Compass   Compass                                     5    INTRODUCTION                                                                                                          vi  SYSTEM CONFIGURATION                                                              vill    1  OVERVIEW                     ce                                  _    LER deleri MR UU       1                p E                                                 2    2  SETTINGS    2 1 SOMATIC  Panel Settings uu LU            3       Va lD T Nm 3   NBI        uuu un mamas a eee ener ee eee ae en          3   2 2 OID DID and IMN                                                    5   lei hil        uuu tentant tet                                    w             5   2 4 Registering  Deleting Subscriber                                  5  2 4 1 Registering subscriber                           6  2 4 2 Deleting subscriber NUMDETr                                        6  2 4 3 Confirming subscriber NUMDET t TOU 6  2 4 4 Status display on the terminal unit                                                                  6    3  OPERATION    OAN RR 7  Seale ia V8  8  IC A DC   u uu een eer u aasma EE A 7       NI iP        se                              8                                          _   _   9  3 2 1 Automatic call mode and receiving operation                  9  3 2 2 Receiving and automatic data rate switching        
14.   to print the status monitor     Prefix Code   HSD Destination                                    2 4 4 Status display on the terminal unit    The status display shows HSD state  You can print it from the terminal unit  Sample HSD  status indications are as below     RX Signal Level  HSD       RX IF AGC Level  HSD       2nd Local  HSD         3  OPERATION    3 1 Calling    An HSD call may be made automatically or manually     3 1 1 Automatic HSD call    All automatic HSD calls are carried and terminated from the HSD terminal  Automatic  HSD calls begin when the DTE raises the DTR line in the serial connector  The Inmarsat  terminal dials the pre programmed number  Upon answer by the called system the HSD  port is enabled and data transfer can take place     Automatic HSD calls fall into two categories  direct call and address call  The category  may be selected with DIP switch SW1  turn off the switch  default setting  for direct call   turn on the switch for address call  See page 3 for DIP switch setting     Direct call setup    e Program subscriber number  See          5       Turn off DIP switch SW1     The subscriber is called when the HSD terminal turns on the DTR signal     Address call setup        See          13 for sequence   e Turn on DIP switch SW1     The HSD terminal must support address calls  The HSD terminal outputs the following  command to the HSD modem in the format set by DIP switch SW4 and SW5     CRN x x x x x  V 25bis command  x x x x x   subscriber 
15.  000 043 361        16 01603  004 443 460      16 01605  004 442 950       Installation Materials CP16 01601    Installation Materials CP16 01602    4       Cable Assy  PH2P L300 SMR2P 000 141 559  Panhead Screw   4  8 000 881 445 EE    Cable Assy  PH5P L200 SMP2P 000 141 558       Vi    Installation Materials     16 01603    Rear Panel 16 011 2013 5 100 245 695    RF CONV Board   16P0130 004 441 140       Installation Materials CP16 01605    Programmed                  16501051 004 441 500  Programmed                  16501061 004 441 510    Optional Equipment    Wome                         17JE 573 2 Harness  Connection Cable          000 127 108    Kit 6 19 004 447 110 1 BNC P 55UX2 500   000 141 969    for extension by 5m    VII    SYSTEM CONFIGURATION                                          UNIT       18 181         Antenna cable Serial straight cable  Coaxial cable  25 or 37 pin connector   MESES Mu E E NEM 24                  1 4 5        i    COMMUNICATION            UNIT  S                 281          dt oe                 4            1   HSD TERMINAL   Serial cable   9 pin connector                 Local supply  Saas   FELCOM 81    viii    1  OVERVIEW    1 1 Control Description  1 1 1 Front panel           FURUN    INMARSAT B      HIGH SPEED DATA MODEM          o POWER   o SYNC  oTX  64K   oTX  56K   o FAIL    POWER  DIMMER  ON    16                                                            switch       Switch panel   cover removed     DIMMER  control    Figure
16.  1      681  front view    POWER switch  Turns the power on off  Flip up to turn the power on  flip down to turn the  power off  After turning on the power  all status LEDs light for about 20 seconds  Then all  LEDs except POWER go off about 10 seconds later  Turn on the IB 281 about 30 sec   onds after turning on the IB 681  otherwise the      281 may display    HSD Fault     If the FAIL  lamp on the IB 281 goes off then operation is normal     DIMMER control  Adjusts the illumination of the status LEDs     Switch panel  Contains eight DIP switches and the Data Rate switch which set operation  parameters  See page 3 for details     Status LEDs  Show equipment status   POWER  Lights when the power is turned on   SYNC  Lights  during HSD communications  when satellite signal becomes synchro   nized   TX  64K   Lights when data rate is 64 Kbps   TX  56K   Lights when data rate is 56 Kbps   FAIL  Lights for communication error     Note  TX LED on IB 281 dose not light during HSD communications     1 1 2                       HSD DATA 2        HSD DATA 1 HSD CTRL    AC100 220 20  BEA call      di o          Earth terminal  100 220                                       Figure 2 IB 681  rear view  HSD DATA 1  RS 232 interface connector  HSD DATA 2  RS 449 interface connector    HSD CTRL  Conducts control data communications between communication unit and  HSD modem     Breaker         red button pops out when overcurrent flows inside the equipment  In this  case  find the cause of 
17.  30  LED16  J     1123 123 1 gt     1 lt 40  lt GND      gor ANT         gt       GND gt  40             1      gt   1 gt            lt 31  lt         fo TX ANT                                     R   PROP                 gt     32 lt NC      Jo                  ire q 33      v IT i    2    15        5 1  lt TOCHOK        gt 33       lt 6     P                      EN 1 NC  1 GND  834      lt                i      GND        50  d   Eu          4      RSTDRV   4 4  lt RSTDRV          gt  5  gt            5  lt 506       4 5  6 gt  5   6   NC      4 Jid Bomme    Ai     ars GENE             gt  gt    505   1    s i R  p    i a gt  gt aann   452     9   SD4     J  1            0 1   n    2   3 10 lt  5   L am        ee ae ee             4               12      gt 10 11 lt 503 4           L                       v ul l  u    SD3  11    me 17  lt         i                  NC gt  12          13 lt 502      2 1 NC  14   15 lt SD     ZWS gt  16 17  lt 500      5  0 gt 11 1B lt   12V     DATA 2    _     lonDY gt  15 TREE TE    Berne ss   NC gt  20 21          TXD gt  1 OO 3         gt 21 22            RXD gt                    E     gt  23 lt 5  19 RTS  3      O 5  NC gt 23 24  HEMK CTS  4          5     5  gt          n 1  OW gt  26          TOW GND gt  6  Tow   20        221  21  5A11        gt  1 ML  NC  2T 6   2R2l       28  TOK Txo 6 11  TOR gt  26        2    TT RXC gt  g           U  100     220 VA   DTR   0   1 22   14    281 RIy11     rx      9 14       18         5101 01 07
18.  80             APPLICABLE       BLOCK NO  NAME     MODEL   16 001 2055     HSD UNIT    SCHEMATIC DIAGRAM  FURUNO ELECTRIC        LTD         DWG NO   C5609 K30        2               Acddiess call cise eevee            7  13  Automatic Call                                    15  Automatic call mode                           3  Automatic data rate switching            4  Automatic HSD call                           7   B   Breaker  RETE 2  BSG formal uuu suyu uay ee 4   C   Character format                               4  Command format                              4  GAIN                  10   D            TALS  xx            tabem eats 3  DIG TTE 9  DIMMER control                                1  DIP SWIICI6S                    test       3  Directreal                              7  12  DIE                    ses 7  DIER eaea 7 9  H   ADEC TOMAT san 4  HSD OFRE       2  HSD DATAT                         2  ASO DAA 2 u ul u nuyu          2   M   Manual calli   uu maaa quna 8  14  P   POWER switch                                  1  Progress tones                                  8   R                                         9  Ric e                            z sss 2                                     9                                          map  2  4  20   1S IO                   a G mam nae 2  4  21  2244                   2   5   Status LEDS        1  Switch panel                                      3    T  Terminal interface                             4   pa     
19.  FURUNO  OPERATOR S MANUAL    HIGH SPEED DATA MODEM       MODEL      681       FURUNO ELECTRIC       LTD   NISHINOMIYA  JAPAN       FURUNO ELECTRIC CO  LTD     9 52  Ashihara cho   Nishinomiya  Japan    Telephone  0798 65 2111  Telefax  0798 65 4200      All rights reserved     Printed in Japan    PUB  No  OME 56093     Your Local Agent Dealer       FIRST EDITION   OCT  1998  G   APR  4  2000            00080858900          SAFETY INSTRUCTIONS       Safety Information for the Operator       WARNING    ELECTRICAL SHOCK HAZARD    Do not open the equipment     Only qualified personnel  should work inside the  equipment     Immediately turn off the power at the  switchboard if water leaks into the  equipment or something is dropped in  the equipment     Continued use of the equipment can cause  fire or electrical shock  Contact a FURUNO  agent for service     Do not disassemble or modify the  equipment     Fire  electrical shock or serious injury can  result        WARNING    Do not place liquid filled containers on  the top of the equipment     Fire or electrical shock can result if a liquid  spills into the equipment     Immediately turn off the power at the  switchboard if the equipment is emitting  smoke or fire     Continued use of the equipment can cause  fire or electrical shock  Contact a FURUNO  agent for service     Make sure no rain or water splash leaks  into the equipment     Fire or electrical shock can result if water  leaks in the equipment     Keep heater away fr
20.  HSD    is added to the Terminal Setup menu      the terminal unit  Additionally  the HSD  is provided with the lock switch function  which you may set it as shown below     Press  2    Enter       Terminal      Tel    Tel    Tel    Tel      Tel                  No   No   No   No       ESTE  nter JOB    1  2  B  4  5  Tel  6  E           Press  9    2      Key Lock  Ignore Valid       Ignore     Valid     Lock switch setting ignored   receive capability    Lock switch setting followed   cannot transmit when lock  switch is in  disable  position     Figure 4 Terminal setup menu    2 4 Registering  Deleting Subscriber Number  2 4 1 Registering subscriber number    Register subscriber number as follows with the No 1 telephone  The subscriber number  may contain 20 digits       cannot be registered   The number can be confirmed by printing  the status display     1  Pick up the handset of the No 1 telephone and confirm dial tone   2  Dial subscriber s no  as follows      51  aaa 0                              p Subscriber s Number  Country Code  Automatic Dialing    Land Earth Station  LES   Prefix  64k  for HSD call          3  Confirm dial tone  See table 2      2 4 2 Deleting subscriber number    1  Dial   51         2 4 3 Confirming subscriber number    HSD communications settings  HSD settings input to the communcation unit  are con   tained on the status monitor which can be printed from the No 1 telephone     1  Pick up the handset of the No  1 telephone     2  Dial   9 6 
21.  connector assy  to the rear panel     Connector assy                DGPS OUT Rear panel of communication unit         Detach dummy  plate and fasten  connector fixing  plate with screws  used to fasten  dummy plate             Dummy plate    Figure 20 Mounting of connector assy     11 For version  2 or higher of the REAR PANEL Board     Connect the HSD CTRL connector from the connector assy  to J15 on the REAR  PANEL Board     REAR PANEL Board   front view    HSD CTRL    Connector      CONV          assy  Board   HSD CTRL J15   Q  NC    2  RD  D RD   cur UR  NC GND                 6     9  NC       Figure 21 Communication unit  rear view  rear panel removed    24    For version  1 of the REAR PANEL Board     Detach the REAR PANEL Board  Solder the HSD CTRL connector to the following  points on the REAR PANEL Board                         aa     ae                 aD           REAR PANEL CONNECTOR ASSY   J2  D sub 9 pin   RD       2                       39  5     Figure 22 REAR PANEL Board       25    12  Attach the rear panel and mount the power supply unit     13 Connect the four plugs from the connector fixing plate to the RF CONV Board as shown  in Figure 23     Connector      CONV  assy  Board    TX IF  lt   gt  J9  RX IF 4       J7  REF  lt   gt           DGPS  lt        gt   J11   OUT           Figure 23 Communication unit  right side view    14  Attach the cover     15  Plug in all connectors to the rear panel     5 2 3 Wiring between HSD modem and communication unit
22.  s rate is 56 K  the       is  transmitted at 56 K  The synchro clock signal to the HSD    ON  Automatic data   terminal is also automatically changed to 56 K     rate switching    Note  The HSD terminal is required to automatically synchronize  to varied clock signal        3 3 V 25bis Command  Indication    For automatic calling  the HSD terminal directs the HSD modem with commands  Addi   tionally the HSD modem directs the HSD terminal with indications  These commands and  indications are as below     Commands    command   Nm          _    Consecutive commands cannot be accepted  Commands use    5 characters  Upper case  or lower case may be input  but case cannot be mixed        Indications          Name            0000  INC Incoming Call Call has arrived     INV Error in command from terminal   VAL Accept command from terminal   Call Failed  Call failed reply   and reason  in response to CRN    Indications are done with IA5 characters  in upper case only        10    Command description    Subscriber number specified and called              Subscriber number  20 digits max      Useable characters   0 9        space                  and     can be used to separate digits for clarity  they        not recognized as  part of subscriber s number     f  is recognized as end code  input is not mandatory            and     are not sent to CU     Examples     CRNO0030081123456789  Subscriber s number is 003081123456789   CRNO0030081 12 345 6789  Same number as above except     in
23. 11 GND  12    19  21  23 25                       a   w         VATA            ZCP2205 1      _ DROI gt  262           REFRESH     51         w13 5 421 Jsi 5  SA11     123  gt  39  lt SA11 Ixc    2 23   gt        gt        gt 40 gt     40   BUSCLK TXC  1     10541 T    gt  2412   141  lt     10 RXC H gt              PANG  42 ROT  42 gt   gt  422       42  lt   ROT RXE_L gt     26   n SAO   25                                  M  UULSABRAR2 77      LS ARA        SAO DCD  M   t      77155  POWER       42 43                 4  lt          DCD  L        aaa       2  e       15  sas gt 4s B ft 45  lt SAB RI   1  L n     T  n             lt  46  lt         GND gt     io  AT 4  gt   1 gt      1 lt 41 lt 5  1 GND gt  9             RO 8     3   lt 48 lt 1 1    4 GND gt  10 gt                 Ai Ae 1440  lt         SAG gt 40      D B         J2 Ppor 4     gt   0 m 50  lt  I         51 lt 5  5           gt  2    Sheree          24 2  lt 52            TXD_L gt                               P  r            r  5  4 gt 558  gt  3 Sacre                   gt  55 56   BAL                                          m m m           GA         6          me mm amat ot ttt           a         a  A       gt         wil       1         ruri           s      TTFr  adi  ARTS LT  56   BALE  L gt 5 9       EIL                        ura                     esci ICN  CN2           50558 EST   gt        gt      gt      lt 58  lt                         IERI GN2   2 NC gt 60 i 2    8012 1  gt    lt 60  lt 05
24. 80    1 TABLE                       1        7 2    439                                    2                   2 L   2  MIHRRVISMG RIL                                       6   20          L     3                            4      4                  amp    4   1124     5       2                  L     NOTE    1  KEEP ENOUGH CABLE LENGTH BEHIND UNIT    2  USE M6 BOLTS OR TAPPING SCREWS  6 FOR FIXING UNIT    3     RECOMMENDED SERVICE CLEARANCE    4  TABLE 1 INDICATES TOLERANCE OF DIMENSIONS    5  REFER TO INSTALLATION INSTRUCTIONS FOR FABRICATION OF CABLE ENDS    DRAWN   TITLE   u  77 4  12          18 681   2                     AKT Bd                HSD MODEM UNIT    16 011 6000  G5 OUTLINE DRAWING    FURUNO ELECTRIC Co  LTD         102 2R LO3 13                                                     NOILOSNNOOYIIN     V     09 609S9                             03179915 80103    00       LINN WAGON GSH                                                                       8  097133   3   20                          1        1Y 031113 SM0103NNOO    bx                   TV r         kaa    ony  gt  27  op 310N     7                     c CLE  BENS GEC  Ex  189 41 77777777                        OI   65  47         111                            Zx                       GEE  Lx  oF        7H09 0S      1    OVA0ZZ 001    OND       gt  NYD A     d ene 1340 Zovi   z YIH                l 1      19    N yig         SP OTR WOOL            1       OVAQZ 2 001      I 211 510          gt  6 
25. D modem and router    A serial straight cable with a 25 pin connector  RS 232 interface  or 37 pin connector  RS   449 interface  connects between the IB 681 and HSD terminal  ex  Router  as shown  below  The interface to use is selected with DIP switch SW2  For the RS 232 interface  the  length of the cable must not exceed 15 meters  If a longer cable is required use the RS   449 interface instead  Only one HSD Terminal  Router  can be connected     HSD DATA 1       95 232     HSD  TERMINAL    To comm  unit mE ex   tA       HSD DATA2      85 449        Serial straight cable  RS 232 interface  25 pin connector  RS 449 interface  37 pin connector    Figure 13 Connection of HSD modem and HSD terminal    RS 232 interface description    RS  232 CCITT             a  me  os es        lt          we   __                    _    s            Ww                   gt     NONO    NNNN  O14                             N OO              AMNEM    Receive Signal Indicator                                                           Transmit Clock    u 115 Receive Clock                                      9 13    20            10    DataTeminalReady   e      2   R   15   Ring Indicator    Pin nos  1  9 14  16  18 19  21  23 25 are not used   Figure 14   5 232 Interface       Note         HSD modem uses synchronous serial communication  therefore the HSD ter   minal  PC  etc   cannot be directly connected unless it has a synchronous serial port     RS 449 interface description    20            
26. DiH S10       t  5SZ5 1 S1M en     gt           XL                                        a          10X1  BENEDICT                                61 gt   ON   31 Xi  B  31 XW          22           1            e        16   7 000  lt           os                          lt  66       gt  S                                  oN   lt 8 H 45                     L            Zzb SU oa 24     MS IER     8            1N3MdIf03                                     Ton            8       n  SERIE  080       oL t2        CENT uic     NOME     wes   uc  L       0 890059101 6 5 3  11   M                   _ amp  NM MA           70 8900891  2 6 5 3  11                                   Enc       12851020          1129 89                a         0262 54     Pagos 8309 4 N     INBNdINOT TWNYILXT                             on    189 481     gt  182 91  WOE A0 84 08       oe                LINN W300W OSH    LINN 3081NOO NOI1VOINDWNOO  YOST TL        161 91         EE  LINN YNNALNY            4       V               BG GR 25      FURUNO     2800             J ___________     i  2                                                   wNm   oor vco97        an ____ ___                       Oar __   __ _        Y         ue a                                 AAA 1                          46807 CPU 71 4803 ISA 21 4804                                i ZZ  lt         11252  AR 9 1874   16P0159 i 16  0108   0057650 gt  gt  gt 95061    O0 15022900    Pees                          124                    
27. HOOK        Ch  release SU    10 times    HSUB  Disconnect DCD CTS OFF    f   CESI         Ch  release SU DTR OFF    Figure 10 Manual call clear sequence    16    4  MAINTENANCE 8 TROUBLESHOOTING  A WARNING    ELECTRICAL SHOCK HAZARD  Do not open the equipment  unless totally familiar with  electrical circuits and  service manual     Only qualified personnel  should work inside the  equipment        4 1 Maintenance  4 1 1 Cleaning    Dust or dirt on the equipment may be removed with a soft  dry cloth  Do not use commer   cial or chemical cleaners to clean the unit  they can remove paint and markings     4 1 2 Resetting the circuit breaker    The BREAKER button on the rear panel pops out when the voltage input to the equipment  exceeds the voltage rating  In this case  reset the power and press the button to restore  normal operation     4 2 Self Test at Terminal Unit    1  At the standby display  press  F4    6    5  and  Enter  to display program nos  of de   vices  If the IB 681 is powered off or is not connected     CONNECT ERROR  appears  in the HSD MODEM field      Self test      lt  lt Program Now gt  gt    CPU1  Tx  165 0104 1    Rx                   CPUZ  SYS CPU           07         165 0109 1     ANTENNA 165 0102   1     VOICE CODEC l65    0096 x     HSD MODEM  CPU  165 0133 1    DEMOD  165 0134 1     DECODE  165 0135 1      Start Selrtest OK   Y N  Y          Program No     Figure 11 Program no  display    2  Press  Y  and  Enter  to test     17      Test Result   
28. e      681 is designed and constructed to meet the rigorous demands of the marine  environment  However  no machine can perform its intended function unless properly in   stalled and maintained  Please carefully read and follow the recommended procedures for  installation  operation and maintenance to get maximum performance from this equip   ment     Features    The IB 681 provides global  satellite based high speed duplex 56      64 Kbps data       ISDN  High speed data services will be useful to companies and organizations with large  amounts of data to transmit     e Automatic  manual calling       LEDs show equipment status   e Simple operation       DIP switches and data rate switch set operation parameters    FURUNO will assume no responsibility  for security related problems     Network configuration depends on  application  number of terminals used   shipboard network and land network   Generally  setup is done on the user   s  equipment  For details on network setup  contact the network manager        EQUIPMENT LIST    Complete Set                   coseno   ay                    For               81 comm  unit  manufactured 7 98 and after  CP16 01600   000 043 362 CP16 01601  004 443 480   CP16 01602  004 442 900              CP16 01605  004 442 950    installation  Installation Select    For FELCOM 81 comm  unit   Materials   manufactured before 7 98 1515 below  CP16 01601  004 443 480   for details   CP16 01602  004 442 900          Materials    one  CP16 01610  
29. e cisco1601       enable password             username land term password 0             interface EthernetO  ip address 192 168 2 1 255 255 255 0       interface SerialO   Ip address 192 168 10 10 255 255 255 0  encapsulation ppp   no keepalive   dialer dtr   dialer group 1   ppp authentication chap        Ip classless   io route 0 0 0 0 0 0 0 0 192 168 10 1   ip route 192 168 0 0 255 255 255 0 192 168 10 1  ip route 192 168 1 0 255 255 255 0 192 168 10 1  dialer list 1 protocol ip permit   snmp server community public RO        line con 0  exec timeout 0 0  line vty 0 4  password        login        end  cisco1601     This example shows only the minimum necessary settings for confirmation  Further  details can be obtained from a Cisco dealer or Cisco   s home page  http     wwWw cisco com      For other router see its operator   s manual     Network configuration        Network configuration depends on application and number of terminals used  Gener   ally  setup is done on the user   s equipment        Setup depends on shipboard network and land network  For details contact the net   work manager             recommend that identification be exchanged between sender and receiver  Where  required used packet filtering and firewall    e FURUNO will assume no responsibility for security related problems     28    Syuchronous  asynchronous adapter    This section discusses some of the synchronous  asynchronous adapters currently avail   able  Connecting a single PC as in the fig
30. el     OFF  Prevents reception of data received at data rate other than which is set with the data  rate switch   ON  Enables reception of data received at data rate other than which 15 set with the data  rate switch     SW4  Command format  Sets command format to the HSD modem  and is only effective when SW1 is set for    address call  ON   Set according to specification of HSD terminal     OFF  HDLC format  ON  BSC format    HDLC command format    Command Indication FCS   Flag    Flag  Flag DO D    w    4 b7  Address  Address Field O 1111110  Control  Control Field 1 111111 1  FCS  Frame Check Sequence 1 1001000    Parity added only to command  indication   bO  sent first along signal wire     BSC command format    SYN  16H Three SYN sent from HSD terminal to  STX  02H HSD modem  However  only two SYN are  ETX  03H necessary between the HSD modem and    the HSD terminal     Parity is also added to these control characters  LSB is first sent along the signal line     SW5  Character format  sets character format to the HSD modem  and is only effective when SW1 is set for ad   dress call  ON   Set according to specification of HSD terminal     OFF  8 bit  no parity  ON  7 bit  even  odd parity    2 2 0000 and IMN Settings    OID DID and IMN are set on the communication unit  usually at the time of installation   The telephone for HSD calling is alos set by the installing technician  For more informa   tion  contact a FURUNO dealer or agent     2 3 Terminal Unit Settings     9 
31. learing manual call       Dial   5 9       3 2 Receiving    Certain HSD terminals cannot receive the RI signal and therefore cannot receive     3 2 1 Automatic call mode and receiving operation    Receiving processing depends on the setting of DIP switch SW1 as follows     The HSD terminal uses the DTR signal to reply  To do this the  HSD terminal keeps the DTR signal OFF when it is not  communicating  When a call arrives  the HSD modem turns on  the RI signal  the HSD terminal detects the RI signal and then  turns on the DTR signal  Then  the HSD modem turns off RI and  then turns on DSR  CTS  DCD to communicate over land line     OFF  direct call     The HSD terminal does not reply to an address call with the  DTR signal  the DTR signal is used to show if the HSD terminal   ON  address call  can send control commands to the HSD modem  When a call  arrives  the method by which the HSD terminal replies depends  on DTR status as below        Address call and DTR ON    When a call arrives  the HSD modem turns RI ON and then acknowledges reception by  sending INC to the HSD terminal   See page 10   Five seconds after sending INC receiv   ing processing is initiated  When processing is completed  RI goes OFF and DSR  CTS   DCD go ON to communicate over land line     If the HSD terminal sends the DIC command to the HSD modem  the HSD modem does  not initiate receiving processing  This happens in the following instances       Overlapping calls  receiving processing cancelled     Pr
32. number   For further details about the CRN command  see page 10     Note   If personal computer cannot call by user s application having V 25 bis terminal  interface  call by DTR dailing  Direct call      Clearing automatic HSD call    An automatic HSD call is cleared when the DTR signal is received from the HSD termi   nal     The HSD terminal turns off DTR  then the automatic call is cleared   HSD terminal sends clear signal to CES  then the HSD modem turns off DCD and CTS   Finally  the HSD modem turns off DSR     3 1 2                      Manual calls are made with    telephone  designated    installation  connected to the com   munication unit  The HSD terminal must support manual calls     To make a manual call  turn off DIP switch SW1  and then dial subscriber number as  follows      56  aaa 00 bb                              Subscriber s Number  Country Code   Automatic Dialing   Land Earth Station  LES   Prefix for HSD Call    55  56 Kbps  56  64 Kpbs         Upon answer by the called system the HSD port is enabled and data transfer can take  place  After the number 15 dialed listen for progress tone to confirm call  See the table  below  When you hear the    HSD call successful    tone hang up the handset     Table 2 Progress tones             HSD       successful   600 Hz  HSD call failure 425 Hz 0 5 sec  0 5 sec    Manual HSD call   cleared called no  425 Hz 1 sec  0 5 sec  accepted   Manual HSD call   cleared called no  425 Hz 0 5 sec  0 5 sec  not accepted    C
33. ocessing initiated within five seconds after INC is received    If this occurs while the call is being relayed  the CIC command is sent and the HSD mo   dem reinitiates processing     Address call and DTR OFF    When a call arrives  the HSD modem turns      ON  This tells the HSD terminal to turn on  the DTR signal  which causes the HSD modem to send the INC  indication  signal to the  HSD terminal to indicate it is receiving  The HSD terminal then sends the CIC command to  the HSD modem which initiates receiving processing  When processing is completed       goes OFF and DSR  CTS  DCD go ON to communicate over land line     When DIC is sent by the HSD terminal instead of CIC  the HSD modem sends the indica   tion VAL  In this case processing is not started  Furthermore  when the CRN command or  other three character command is sent the HSD modem sends the indication INV     3 2 2 Receiving and automatic data rate switching  A call arrives at the data rate set on a subscriber s equipment  and the setting of DIP    Switch SW3 determines if the call will be received      not when the data rate is different  from that set on the IB 681     HSD call not accepted when its data rate is different from that  OFF  No automatic   set on the IB 681   data rate switching   Use this setting when the synchro clock to the HSD terminal  cannot automatically be changed to match data rate     HSD call accepted regardless of data rate  For example  if the  Rate switch is set to 64 K and    call
34. om equipment   A heater can melt the equipment s power    cord  which can cause fire or electrical  shock        CAUTION    A warning label is attached to the equip   ment  Do not remove the label  If the  label is missing or illegible  contact   a FURUNO agent or dealer        WARNING    Name  Warning Label  1     To avoid electrical shock  do not Type  86 003 1011 0  remove cover  No user serviceable   Code No   100 236 230  parts inside   A    amp  A   RBOUNSD       HERZ YAIO     2817                 ABITISSBEMBDAS        lt       A CHDSERRTT        Safet    information for the Installer       A WARNING    ELECTRICAL SHOCK HAZARD  Do not open the equipment  unless totally familiar with  electrical circuits and  service manual     Only qualified personnel  should work inside the  equipment     Turn off the power at the switchboard    before beginning the installation     Fire or electrical shock can result if the  power is left on     Do not install the equipment where it  may get wet from rain or water splash     Water in the equipment can result in fire   electrical shock or equipment damage     Be sure that the power supply is  compatible with the voltage rating of  the equipment     Connection of an incorrect power supply  can cause fire or equipment damage  The  voltage rating of the equipment appears  on the label above the power connector     A CAUTION    Ground the equipment to  prevent electrical shock and  mutual interference     Observe the following compass safe
35. seconds occurs on transmission of file from HSD terminal to  coast earth station    A delay of 240 msec exists on the satellite circuit line between the MES and coast earth  station  A 100 msec delay occurs in Tx processing and Rx processing in the IB 681   Furthermore  a propagation delay may occur on the landline between the land terminal  and coast earth station depending on the distance between them     TCP IP protocol        When throughput is slow due to propagation delay  enlarge the size of the TCP window  to compensate for the delay  TCP size setting depends on protocol stack and OS  Con   sult respective operator s manual for advice    e When using a remote router  raising the communications cue  buffer  setting can speed  up throughput time  However  in some cases it may be necessary for the ship and land  terminals to have the same router  Some routers cannot be used for Inmarsat HSD  communications  especially those which cannot accommodate circuits which have large  propagation delay  Consult with router maker and dealer to determine suitable router    e For further details consult the network manager     Router setting for network connection       We                     i  Example  To comm  unit       HSD DATA 2       Figure 24Sample of connection  27         Router 10BASE T  5     CISCO 1601           5 449       Set subscriber number    the FELCOM  51          cisco1601 sh conf  version 11 3   service udp small servers  service tcp small servers       hostnam
36. serted for  clarity   CRN0030081 12 345 6789   Same number as first number above except           inserted for clarity and      inserted to show end of  number     Prevents automatic reply to received calls   Allows automatic reply to received calls     Indication description                  _       Informs of  Call failed reply  in response to CRN command     xx  reason  ET  Subscriber is busy   CB  Telephone fax busy  CU is busy    HT  Subscriber s DTE is not answering  subscriber not connected    AB  Subscriber not replying   Scr Vec Ack  not received         11    3 4                            3 4 1                                                   CES NCS FELCOM    Calling operation           DTR ON   Access req  SU  SES RQ  CESI  Ch  assignment req  SU  Channal asgignment SU  NCSI  HSUB Service addr  SU  002  scr  vec  advise SU  Scr  vec  ack SU HSUB  Ret  carrier ID SU  HSUB  Call to  subscriber             Reply from  subscriber  CES connect SU  DSR ON            CTS DCD ON           Figure 5 Direct call setup sequence    3 4 2 Address call setup sequence       CES NCS FELCOM  Calling operation   DTR ON   CTS DSR ON       SES RQ   CRNxx    x   Access req  SU       CESI  Ch  assignment req  SU  Channal asgignment SU  NCSI  NCSA  Service addr  SU  HSUB  MEN Scr  vec  advise SU  Scr  vec  ack SU  Ret  carrier ID SU  Call to  subscriber  8                              from                  p    CTS DCD ON  pM       Figure 6 Adaress call setup sequence    3 4 3         
37. the communication unit  See Figure 19 for location        5  Replace the ROMs      CPU and SYS CPU  on the CPU2 Board  See Figure 17 for  location  Mount the CPU2 Board     CPU2 BOARD 16P0133    SYS CPU        CPU     16501 05 110  16501 06 106 DIP SW 51       Figure 17 CPU2 Board    22    6  Version  1 of the CPU 2 Board  solder a harness of cable assy   Supplied  to the loca   tion shown in the illustration below  Connect other side of cable assy  to J10 on the RF  CONV board     CPU2 BOARD 16P0133    DIP SW 51       JP2 e         Part side  C75   CPU2 Board PH5P RF ibd Board   0567        __               19   05542  D  2   Cable assy     Figure 18 CPU 2 Board Version 1    7  For version  2 and after of the CPU2 Board  connect the cable assy   Supplied  between  J7 on the CPU2 Board and J10 on the RF CONV Board     RF CONV Board CPU2 Board       J10  PH2P  J7  PH5P    D GND  D P20  HSD ON    2 HSD ON  2  P21     3    23   4  GND   5                   point       Figure 19 Communication unit  cover removed  right side view    8  Replace the rear panel for the communication unit manufactured before 7 98     23    9  Detach all connectors from the rear panel  dismount the power supply unit and the rear  panel     10 For the unit manufactured before 7 98  detach the dummy plate from the rear panel  and fasten the connector assy   Supplied  to the rear panel with the screws used to fix  the dummy plate  For the unit manufactured after 7 98 use the screws supplied to  attach the
38. the overcurrent and push the button     100 220 VAC  Connection of 100 220 VAC power   REF  Receives reference signal from the communication unit   RX IF  Receives IF signal from the communication unit     TX IF  Sends IF signal to the communication unit     2  SETTINGS    2 1 Switch Panel Settings    Communication parameters are set with the switches in the switch panel  Unfasten two  screws to access the switches  Note that it is not necessary to turn off the IB 681 to  access the switches     1234 5678 Data Rate          Factory setting       Figure 3 Switch panel    2 1 1 Data rate    set the data rate according to land line network  The default setting is 64k  64 Kbps   56k  is for USA ISDN circuit  for example  Data rate cannot be change after connecting with a  subscriber     2 1 2 DIP switches    Table 1 DIP switch functions                                     _  SW1 Automatic call Direct call Address call  SW2 Terminal interface   RS 449 RS 232             Automatic data NO VES  rate switching       SW1  Automatic call mode    OFF  Call starts with reception of DTR signal from HSD terminal   ON  Call starts when subscriber number from the HSD terminal is loaded on the TxD line     SW2  Terminal interface    Interface with HSD terminal     OFF  RS 449  D SUB 37 pin connector    ON  RS 232  D SUB 25 pin connector      SW3  Automatic data rate switching    Determines whether to receive data at data rate other than what is set with the Data Rate  switch in the switch pan
39. tic data rate switching is OFF   Cannot receive  Manual transmission is not possible when the Data Rate switch  setting and data rate of received call are different      HSD terminal does not         check  receive  settings on HSD modem  HSD terminal   Py HSD terminal may not support certain connections        18    5  INSTALLATION     WARNING    ELECTRICAL SHOCK HAZARD  Do not open the equipment  unless totally familiar with  electrical circuits and  service manual     Only qualified personnel  should work inside the  equipment        5 1 Mounting  5 1 1 Mounting location    The mounting location should satisfy the following requirements         The mounting location should be clean  moderate in temperature and humidity and well  ventilated         Be sure to leave sufficient            around the unit for maintenance and checking     e    magnetic compass will be affected if placed to close to the IB 681  Observe the fol   lowing compass safe distances to prevent deviation of a magnetic compass  Standard  compass  1 2 m  Steering compass  0 9 m     e Keep the unit out of direct sunlight because of heat that can build up inside the cabinet     5 1 2 Mounting procedure   The unit can be mounted on a tabletop  Fix the unit to the chosen location with 6x20  tapping screws  supplied   For added support  used M6 bolts  local supply  instead of the  tapping screws     Note  Do not place the unit atop the terminal unit of the FELCOM 81     19    5 2 Wiring  5 2 1 Wiring between HS
40. ures below you can connect to a subscriber  much easier than by using a Dial  up Router    These devices have been tested by FURUNO     KlasHopper PCMCIA400  Klas Ltd   Ireland     PPP supported    Sie eae Terminal  TA Router        Landline       Drive software required to use the equipment       PPP  Point to  Protocol  supported  Therefore  KlasHopper is not required at receiving  end  You can connect to an internet service provider with an ordinary modem or termi   nal adapter       Nolimitations to software usage  Web Browser  E mail  etc      RAMSAT RVH24 ODC Caltronic A S  Denmark        TA   Synchronous      Terminal  Serial port      Landline              driver software required  However  modem data files are provided to permit the  RAMSAT to function as an external modem     e RAMSAT required by both sender and receiver      NOTE   RAMSAT may introduce a converter which supports PPP  Then  its  function may be similar to the KlasHopper     e File transfer software which provides simultaneous transmission and reception of files  is optionally available  However this software has not been tested by FURUNO     29    Land Earth Station    INMARSAT B LES              STATUS      31st August BV   B Voice  BF   B Fax  BT   B Telex     1999 BD   B Data  BHSD   B High Speed Data    27   lt  mmm   m mne        mee                 ___                           emm             Goonhilly BV  BF  BT  BD  BHSD   pone m      om                     om mmm   ese ease                
    
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