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The X1911/X1960/X1981 has main control boards (SCU), MTU boards, ASI boards, OSU boards.
ϒ⁄SCU
ϒ⁄SCU is the control board (a mandatory board) of the X1911/X1960/X1981. It is the management and control center of the X1911/X1960/X1981. It provides four network ports, one USB port, one Console port.
ϒ⁄MTU
ϒ⁄MTU is a media trunk resource board. It provides two E1/T1 ports (each of which supports two trunks) and two SD card slots (only one SD card slot available). Each X1911/X1960/1981 must configure one MTU board.
ϒ⁄ASI
ϒ⁄An Analog Subscriber Interface (ASI) board provides 32 Foreign Exchange Subscriber (FXS) ports.
ϒ⁄OSU
ϒ⁄An FXO/FXS Interface Unit (OSU) board provides 12 Foreign Exchange Subscriber (FXS) ports and 12 Foreign Exchange Office (FXO) ports.
Parent Topic: X1911/X1960/X1981 Product Architecture