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How to configure a dedicated line for analog users on the OSU board of the U1900?

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1. Log in to the web UI, choose User > POTS User, and configure a dedicated line for a port of the corresponding board.
2. You can also configure a dedicated line using commands. For example, you can run the config modify subscriber directdial dn 2800 slot 0 portinboard 1 command to bind user 2800 to port 1 in slot 0 of the OSU board to form a dedicated line.

Other related questions:

What is the single board used to the IAD132 connection analog line and what is the capacity of the single board

IAD132E(T) can be inserted into two kinds of single board：OSU（FXO & FXS Unit）board and ASI（Analog Subscriber Interface）board。OSU single board is connected to the PSTN Analog line. IAD132 maximum support 2 OSU single board. IAD132 provide 16 FXO ports and 16 FXS ports.

IAD ASI and OSU board support user count

IAD's asi and osu board support for the number of users are as follows： IAD1224 ASI single board supports 32 FXS ports, OSU board supports 12 FXS port and 12 FXO port IAD132 ASI single board supports 16 FXS ports, OSU board supports 8 FXS port and 8 FXO port

What is the maximum transmission distance of an analog line of the U1900 ASI board

In unparallel operation mode, the theoretical transmission distance of an analog line with a diameter of 0.4 mm is 5 km. Signals will be degraded if the analog line is too long.

What does line order of U1900 OSU and ASI boards look like?

Please refer to below quick installation guide about U1900 series unified gateway OSU and ASI boards line order:

Is the AT0 dedicated line of the U1910 a dedicated line for incoming and outgoing calls

An AT0 dedicated line is configured only for specific intra-office numbers, and the other numbers cannot use this line for incoming and outgoing calls.

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How to configure a dedicated line for analog users on the OSU board of the U1900?

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