Furuno IB-681 manual Address call setup sequence

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3.4.2 Address call setup sequence

CES

NCS

FELCOM

Call to

subscriber

Reply from subscriber

SES RQ

CESI

Ch. assignment req. SU

Channal assignment SU

NCSI

HSUB

Scr. vec. ack SU

HSUB

Fill in SU

CES connect SU

HSUB

Access req. SU

NCSA

Service addr. SU

scr. vec. advise SU HSUB

Ret. carrier ID SU

HSUB

HSUB

SES connect SU

Calling operation (DTR ON)

CTS/DSR ON

"CRNxx .. x"

CTS OFF

CTS/DCD ON

Figure 6 Address call setup sequence

13

Image 23

Contents Page B . N o . O M E 5 6 0 9 Safety Information for the Operator Safety InstructionsElectrical Shock Hazard Safety Information for the InstallerTable of Contents Declaration of conformity to type Appendix Usage TipsIntroduction FeaturesComplete Set Installation Materials CP16-01601Installation Materials CP16-01602 Equipment ListOptional Equipment Installation Materials CP16-01603Installation Materials CP16-01605 IB-681 System ConfigurationIB-181 IB-281Front panel OverviewControl Description IB-681, rear view Rear panelData rate SettingsSwitch Panel Settings DIP switchesSW2 Terminal interface Terminal Unit Settings OID/DID and IMN SettingsConfirming subscriber number Registering, Deleting Subscriber NumberRegistering subscriber number Deleting subscriber numberAutomatic HSD call OperationCalling Interval Manual callTone Name Frequency SW1 State Remarks Automatic call mode and receiving operationReceiving SW3 State Remarks V.25bis Command, IndicationReceiving and automatic data rate switching Command Name DescriptionIndication Description Command DescriptionCall Sequence Direct call setup sequenceAddress call setup sequence Address call setup sequenceManual call setup sequence Manual call setup sequenceCall clear sequence from land Automatic call clear sequenceManual call clear sequence Manual call clear sequenceResetting the circuit breaker Maintenance & TroubleshootingMaintenance CleaningCalling Troubleshooting for the UserThen GeneralMounting location InstallationMounting procedure MountingWiring between HSD modem and router WiringRS-449 Interface Modifying the RF Conv board in the communication unitCPU2 Board 16P0133 Antenna cable Position of R135 LengthJ10 RF Conv BoardRF Conv Board CPU2 Board R135Mounting of connector assy Sub 9 pin Rear Panel BoardJ11 Wiring between HSD modem and communication unitGround Communication with other makes of Inmarsat-B terminals Circuit delayPropagation delay Router setting for network connectionNetwork configuration Syuchronous -asynchronous adapter Land Earth Station IOR Etilat IB-681 Page Page Page Index