8.2.  Channel/Time slot DEVice INFOrmation (CT_DEVINFO)

The CT_DEVINFO structure supplies information about the SCX160 SCxbus Adapter device. This structure is used by the SCbus routing functions identified by the suffix, _getctinfo( ). On return from the function, the CT_DEVINFO structure contains the relevant information and is defined as follows:

typedef struct {  
      unsigned long      ct_prodid;  
      unsigned char      ct_devfamily;  
      unsigned char      ct_devmode;  
      unsigned char      ct_nettype;  
      unsigned char      ct_busmode;  
      unsigned char      ct_busencoding;  
      unsigned char      ct_rfu[7];          /* reserved for future use */  
} CT_DEVINFO;

Valid values for each of the members of the CT_DEVINFO structure are defined in the dxxxlib.h and scxlib.h header files.

The ct_prodid field contains a valid Dialogic product identification number for the device [length: 4 (unsigned long)]:

• CT_PIDSCX160 - identifies the product as an SCX160 SCxbus Adapter

The ct_devfamily specifies the device family [length: 1 (unsigned char)] and contains the following:

• CT_DFSCX - specifies an SCX160 SCxbus Adapter device

The ct_devmode field does not apply. The ct_nettype field specifies the type of network interface for the device [length: 1 (unsigned char)]. The only valid value is:

• CT_NTNONE - specifies NO interface to the telephone network

The ct_busmode specifies the bus architecture used to communicate with other devices in the system [length: 1 (unsigned char)]:

• CT_BMSCBUS - SCbus architecture

The ct_busencoding field describes the PCM encoding used on the bus [length: 1 (unsigned char)] and is not valid for SCX160 SCxbus Adapters.

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