8. Using ISDN port
8-1
8. Using ISDN port
In this section, a continued setting for using telephone on ISDN port is explained.
Continued from [4.2 Initial setting for communication (p4-10)]
Fig. 8a Setting flow using telephone on ISDN port
ISDN port acts as a ISDN Basic Rate Interface (BRI) Network Termination (NT) and provides a S/T
(SO) interface. (Note that only 1B channel (1 call) can be supported at any time). The specification
of this port is shown in below table.
Network Switch Type Euro ISDN, INS
μ
Max. number of unit A maximum of 8 TE
Connector RJ-45 (S/T Interface)
Supported service -Inmarsat 4kbps Voice
-Inmarsat 3.1kHz Audio
-UDI
NOTE
・ ISDN port and Ethernet port use the same connector type (RJ-45). Be careful not to connect the
wrong port.
・ 3.1khHz Audio services like fax is available for JUE-251 only when the satellite elevation angle
(EL) is larger than 20 degrees. (Anytime for JUE-501 except for the high latitudes.)
・ UDI/RDI service is not available for JUE-251.
1 Voice-MSN
2 Audio-MSN
765
987654321098
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