User manual FURUNO IB-681 OPERATORS MANUAL

[. . . ] C Yo u r L o c a l A g e n t / D e a l e r 9-52, Ashihara-cho, Nishinomiya, Japan Te l e p h o n e : Te l e f a x : 0 7 9 8 -6 5 -2 111 0798-65-4200 All rights re s erv e d. Printed in Japan FIRST EDITION : G : O C T. OME-56093 (TE NI) IB-681 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. [. . . ] carrier ID SU HSUB Call to subscriber Reply from subscriber Fill in SU HSUB CES connect SU HSUB SES connect SU HSUB CTS OFF CTS/DCD ON Figure 6 Address call setup sequence 13 3. 4. 3 Manual call setup sequence CES NCS FELCOM Calling operation (dialing) Access req. SU Channal assignment SU NCSI NCSA HSUB Service addr. carrier ID SU HSUB Call to subscriber Reply from subscriber Fill in SU HSUB OFF HOOK (DTR ON) RI OFF CES connect HSUB SES connect SU HSUB DSR ON CTS/DCD ON 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 Ch. release SU 10 times Disconnect HSUB DCD CTS 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. Finally, the HSD modem turns off DSR, and the HSD terminal turns off DTR. CES Disconnect from land Max. release SU DCD CTS OFF DSR OFF DTR OFF NCS FELCOM Figure 9 Call clear sequence from land 15 3. 4. 6 Manual call clear sequence CES NCS FELCOM OFF HOOK Ch. release SU 10 times Disconnect HSUB DCD CTS OFF CESI Ch. release SU DSR OFF DTR OFF Figure 10 Manual call clear sequence 16 4. MAINTENANCE & TROUBLESHOOTING 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 commercial 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. If the IB-681 is powered off or is not connected, *CONNECT ERROR* appears in the HSD MODEM field. [Self test] <<Program No. >> CPU1 (Tx) CPU2 (SYS CPU) ANTENNA VOICE CODEC HSD MODEM (CPU) (DECODE) 165-0104-1** 165-0105-1** 165-0102-1** 165-0096-x** 165-0133-1** 165-0135-1** (Rx) (I/O) 165-0103-1** 165-0108-1** (DEMOD) 165-0134-1** Start Selftest OK?(Y/N) Y ** Program No. Figure 11 Program no. Press [Y] and [Enter] to test. 17 - Test Result CPU1 : ROM-OK DPRAM-OK CPU2 : ROM-OK DPRAM-OK ANTENNA : ROM-OK DEMOD : OK VOICE CODEC: OK HSD MODEM : CPU-OK <<Press any key>> RAM-OK RAM-OK RAM-OK DEMOD-OK DECODE-OK SYNC-OK VITERBI-OK EEPROM-OK 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 If. . . General · · · · · · · · · · · Calling Cannot call manually · check if automatic data rate switching is OFF. (Manual transmission is not possible when the Data Rate switch setting and data rate of received call are different. ) · check that subscriber no. [. . . ] 4 Command format . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 CRN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 D Data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]