Page 3 - iiiiiiiiiiiii; SAFETY INSTRUCTIONS; ELECTRICAL SHOCK HAZARD; Do not open the equipment.; WARNING; Keep heater away from equipment.; Safety Information for the Operator; CAUTION
iiiiiiiiiiiii i SAFETY INSTRUCTIONS WARNING Immediately turn off the power at theswitchboard if water leaks into theequipment or something is dropped inthe equipment. Continued use of the equipment can causefire or electrical shock. Contact a FURUNOagent for service. Do not disassemble or modify the...
Page 4 - iiiiiiiiiiiiiiiiiiiiiiiiii; ii; Safety Information for the Installer
iiiiiiiiiiiiiiiiiiiiiiiiii ii Safety Information for the Installer WARNING ELECTRICAL SHOCK HAZARD Do not open the equipmentunless totally familiar withelectrical circuits andservice manual. Only qualified personnelshould work inside theequipment. Turn off the power at the switchboardbefore beginnin...
Page 5 - iii; TABLE OF CONTENTS
iii TABLE OF CONTENTS INTRODUCTION ................................................................................. vEQUIPMENT LIST ............................................................................. viSYSTEM CONFIGURATION ............................................................. viii...
Page 6 - iv
iv 4. MAINTENANCE & TROUBLESHOOTING 4.1 Maintenance ................................................................................................................... 17 4.1.1 Cleaning .................................................................................................................
Page 7 - INTRODUCTION; Features; • Automatic, manual calling; Notice
v 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 withquality and reliability. For over 50 years FURUNO Electric Company has enjoyed an enviable reputation forexcellent marine ele...
Page 8 - EQUIPMENT LIST; Complete Set
vi EQUIPMENT LIST Complete Set e m a N e p y T . o N e d o C y t Q s k r a m e R t i n U m e d o M D S H 1 8 6 - B I 1 n o i t a ll a t s n I s l a i r e t a M 0 0 6 1 0 - 6 1 P C 2 6 3 - 3 4 0 - 0 0 0 t c e l e S e n o t i n u . m m o c 1 8 M O C L E F r o F r e t f a d n a 8 9 / 7 d e r u t c a f ...
Page 9 - vii; Optional Equipment
vii Installation Materials CP16-01603 e m a N e p y T . o N e d o C y t Q d r a o B V N O C F R 0 3 1 0 P 6 1 0 4 1 - 1 4 4 - 4 0 0 1 l e n a P r a e R 5 - 3 1 0 2 - 1 1 0 - 6 1 5 9 6 - 5 4 2 - 0 0 1 1 Installation Materials CP16-01605 e m a N e p y T . o N e d o C y t Q M O R d e m m a r g o r P 1 ...
Page 10 - viii; SYSTEM CONFIGURATION
viii SYSTEM CONFIGURATION HSD MODEM IB-681 NETWORK ROUTER COMMUNICATION UNIT IB-281 Coaxial cable ANTENNA UNIT IB-181 : Local supply : FELCOM 81 Antenna cable Serial cable(9 pin connector) Serial straight cable(25 or 37 pin connector) LAN PC PC (HSD TERMINAL)
Page 11 - Control Description; DIMMER control: Adjusts the illumination of the status LEDs.; Lights for communication error.
1 1. OVERVIEW 1.1 Control Description 1.1.1 Front panel OFF POWERSYNCTX (64K)TX (56K)FAIL INMARSAT-BHIGH SPEED DATA MODEM DIMMER POWER ON Switch panel(cover removed) DIMMERcontrol POWERswitch LED Figure 1 IB-681, front view POWER switch: Turns the power on/off. Flip up to turn the power on; flip dow...
Page 13 - Switch Panel Settings; Figure 3 Switch panel; SW1: Automatic call mode
3 2. SETTINGS 2.1 Switch Panel Settings Communication parameters are set with the switches in the switch panel. Unfasten twoscrews to access the switches. Note that it is not necessary to turn off the IB-681 toaccess the switches. ON 1 2 3 4 5 6 7 8 Data Rate 64K 56K : Factory setting Figure 3 Switc...
Page 14 - SW2: Terminal interface; Interface with HSD terminal.; SW3: Automatic data rate switching; HDLC command format; SW5: Character format
4 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 Rateswitch in the switch panel. OFF: Prevents recep...
Page 15 - Terminal Unit Settings; Figure 4 Terminal setup menu
5 2.2 OID/DID 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: HSD” is added to the T...
Page 16 - Registering, Deleting Subscriber Number; Pick up the handset of the No.1 telephone and confirm dial tone.; Status display on the terminal unit
6 2.4 Registering, Deleting Subscriber Number 2.4.1 Registering subscriber number Register subscriber number as follows with the No.1 telephone. The subscriber numbermay contain 20 digits (*, # cannot be registered). The number can be confirmed by printingthe status display. 1. Pick up the handset o...
Page 17 - An HSD call may be made automatically or manually.; Direct call setup; For further details about the CRN command, see page 10.; Clearing automatic HSD call
7 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. AutomaticHSD calls begin when the DTE raises the DTR line in the serial connector. The Inmarsatterminal dials the pre-progr...
Page 18 - Table 2 Progress tones; Clearing manual call
8 3.1.2 Manual call Manual calls are made with a telephone (designated at 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 asfollows: * 5 5 * or* 5 6 * a a a 0 0 b b x x x x...
Page 19 - Automatic call mode and receiving operation; Address call and DTR ON
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: e t a t S 1 W S s k r a m e R ) ll a c t c e r i d ( F F O e h t s i h t o d o ...
Page 20 - Receiving and automatic data rate switching; Commands; Indications are done with IA5 characters, in upper case only.
10 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 DIPSwitch SW3 determines if the call will be received or not when the data rate is differentfrom that set on the IB-681. e t a t S 3 W S s k r a m e R c i t a m o ...
Page 21 - Command description; Indication description
11 Command description d n a m m o C n o i t p i r c s e D x x N R C ⋅ ⋅ x . d e ll a c d n a d e i f i c e p s r e b m u n r e b i r c s b u S x x ⋅ ⋅ ) . x a m s t i g i d 0 2 ( r e b m u n r e b i r c s b u S x : s r e t c a r a h c e l b a e s U " # " , " - " , ) e c a p s ( "...
Page 25 - Figure 8 Automatic call clear sequence; CES NCS FELCOM; Figure 9 Call clear sequence from land
15 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 andCTS. Finally HSD modem turns off D...
Page 26 - Figure 10 Manual call clear sequence
16 3.4.6 Manual call clear sequence CES NCS FELCOM HSUB Ch. release SU CESI Ch. release SU DTR OFF DCD CTS OFF DSR OFF 10 times Disconnect OFF HOOK Figure 10 Manual call clear sequence
Page 27 - Self Test at Terminal Unit; Figure 11 Program no. display
17 4. MAINTENANCE & TROUBLESHOOTING WARNING ELECTRICAL SHOCK HAZARD Do not open the equipmentunless totally familiar withelectrical circuits andservice manual. Only qualified personnelshould work inside theequipment. 4.1 Maintenance 4.1.1 Cleaning Dust or dirt on the equipment may be removed wit...
Page 28 - Figure 12 Self test results; Troubleshooting for the User; Table 3 Troubleshooting table
18 - Test Result - CPU1 : ROM-OK RAM-OK SYNC-OK DPRAM-OK VITERBI-OK CPU2 : ROM-OK RAM-OK EEPROM-OK DPRAM-OK ANTENNA : ROM-OK RAM-OK DEMOD : OK VOICE CODEC: OKHSD MODEM : CPU-OK DEMOD-OK DECODE-OK <<Press any key>> Figure 12 Self test results 4.3 Troubleshooting for the User The table bel...
Page 30 - Wiring between HSD modem and router; Figure 13 Connection of HSD modem and HSD terminal; RS-232 interface description
20 5.2 Wiring 5.2.1 Wiring between HSD 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 shownbelow. The interface to use is selected with DIP switch SW2. For the RS-...
Page 31 - Fabrication of plug case assy.; Figure 16 Fabrication of plug case (same procedure for 25 pin, 37 pin); Modifying the RF CONV board in the communication unit; Replace the RF CONV Board as follows if it is version -4 or below.
21 Pin (male) arrangement . o N n i P l a n g i S 9 4 4 - S R T T I C C t i u c r i C n o i t p i r c s e D l a n g i S E T D - E C D 2 2 / 4 D S 3 0 1 a t a D d n e S ← 3 2 / 5 T C S 4 1 1 g n i m i T d n e S → 4 2 / 6 D R 4 0 1 a t a D e v i e c e R → 5 2 / 7 S T R 5 0 1 d n e S o t t s e u q e R ...
Page 33 - Part side; Figure 19 Communication unit, cover removed, right side view
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 RFCONV board. U65 U67 DIP SW S1 JP2 BT1 C75 U37 U8 U5 CPU2 BOARD 16P0133 U55 7 U56 GND HSD ON 12 Part side RF CONV Board CPU...
Page 34 - Figure 20 Mounting of connector assy.; Figure 21 Communication unit, rear view, rear panel removed
24 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 fixthe dummy plate. For the uni...
Page 35 - Figure 22 REAR PANEL Board
25 For version -1 of the REAR PANEL Board. Detach the REAR PANEL Board. Solder the HSD CTRL connector to the followingpoints on the REAR PANEL Board. 5 GND 3 TD 2 RD REAR PANEL CONNECTOR ASSY. J2 (D-sub 9 pin) 32 2 31 3 39 5 RDTD GND Figure 22 REAR PANEL Board
Page 36 - Attach the rear panel and mount the power supply unit.; Figure 23 Communication unit, right side view; Wiring between HSD modem and communication unit; COMMUNICATION; Figure 24 Connection of IB-681 and communication unit
26 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. INMARSAT-B MOBILE EARTH STATION COMPASS BEARING ELEVATION S LEVELTEL 1 TEL 2 TEL 3 TEL 4 TEL 5 TEL 6 TELEX DATA AOR-WEST AOR- EAST POR P...
Page 37 - APPENDIX Usage Tips; Communication with other makes of Inmarsat-B terminals; • For further details consult the network manager.; Router setting for network connection; Figure 24Sample of connection
27 APPENDIX Usage Tips Communication with other makes of Inmarsat-B terminals HSD communications time may increase depending on communications content whenthe HSD modem is used in a network. In this case, normal telephone and fax communica-tions are disabled (except distress), thus frequency of comm...
Page 38 - For other router see its operator’s manual.; Network configuration; ally, setup is done on the user’s equipment.
28 Set subscriber number at the FELCOM *51* ...# cisco1601#sh confversion 11.3service udp-small-serversservice tcp-small-servers!hostname cisco1601!enable password *****!username land-term password 0 *****!interface Ethernet0 ip address 192.168.2.1 255.255.255.0!interface Serial0 ip address 192.168....
Page 39 - Syuchronous -asynchronous adapter; These devices have been tested by FURUNO.; RAMSAT to function as an external modem.
29 Syuchronous -asynchronous adapter This section discusses some of the synchronous -asynchronous adapters currently avail-able. Connecting a single PC as in the figures below you can connect to a subscribermuch easier than by using a Dial -up Router. These devices have been tested by FURUNO. KlasHo...
Page 40 - Land Earth Station
30 Land Earth Station INMARSAT-B LESSTATUS TO 31st August1999 BV - B Voice; BF - B Fax; BT - B Telex,BD - B Data; BHSD - B High Speed Data OCEANREGION LES NAME LES PROVIDER LES ACCESSCODE STATUS AOR-E Ausguel France Telecom 011 BV. BF, BT, BD, BHSD AOR-E Beijing Marine atSouthbury Beijing Marine &am...
Page 43 - SPECIFICATIONS OF HSD MODEM UNIT
SP - 1 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 Kb...
Page 47 - INDEX
Index-1 A Address call ..................................... 7, 13Automatic call .................................. 15Automatic call mode ........................ 3Automatic data rate switching ......... 4Automatic HSD call ......................... 7 B Breaker .........................................
