8. Using ISDN port
8-2
When a TA (Terminal Adapter) originates a call, TA informs the "transfer capability" to
JUE-501/JUE-251.
Then JUE-501/JUE-251 determines the transmission service type depending on that information.
This relationship is described in below table:
"Transfer capability" from a TA Transmission service type determined by JUE-501/JUE251
Speech Inmarsat 4kbps Voice
Audio Inmarsat 3.1kHz Audio
UDI UDI
RDI RDI
* UDI/RDI service is not available for JUE-251.
When a call arrives to JUE-501/JUE-251, it informs a Multiple Subscriber Number (MSN)
programmed by the user to TA. TA can identify an arriving service type using this MSN.
Setup following items:
(1) MSN of TA with following TA’s manual
(2) MSN of JUE-501/JUE-251 with following below setting procedure.
[Connection sample]
Condition
・ For telephone (MSN=1, transfer capability=Speech)
・ For Fax (MSN=2, transfer capability=Audio)
・ For PC (MSN=3, transfer capability=UDI･RDI)
Fig.8b Connection sample of ISDN port
MSN for ”Inmarsat 4kbps Voice” = 1
MSN for ”Inmarsat 3.1 kHz Audio” = 2
MSN for “UDI” /“RDI” = 3
MSN=1 Transfer capability = Speech
MSN=2 Transfer capability = Audio
MSN=3 Transfer Capability = UDI/RDI
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