The signaling interface unit peripheral extended (SIUX and SIUX2) boards for the Hicom 300E-300H, transmit and receive DTMF or MFC signals on eight channels to and from trunks and subscriber equipment. They also perform line diagnostic tests. The SIUX and the SIUX2 have exactly the same functionality. The SIUX2 is the replacement for the older board.
Previous models of the SIUX board had SIVAPAC connectors. The New SIUX2 board has SIPAC connector. This board cannot be used as a central SIU.
This board has six operating modes, each using different loadware.
The SIUX or SIUX2 board resides in an LTUW or L80XP shelf but are functionally part of the service unit.
This article is used and has been technically examined. It has, in its entirety, undergone extensive quality controls. We offer a one year warranty on this article. You can find more information on our restoration process here.
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