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DATA-CON (Network Control Driver)
Issue 5 October 2002
975
555-233-119
DATA-CON (Network Control Driver)
The TN2402/TN798 Processor circuit pack contains the following objects: the
SW-CTL (Switch Control), four DATA-CHLs (Data Channels), the DATA-CON
(Network Control Driver), and the generic hardware that interfaces with the TDM
Bus (DATA-BD). The DATA-CON (Network Control Driver) is the subject of this
section. The DATA-CHLs (Network Control Channels) are also described.
Together the 4 DATA-CHLs and the DATA-CON provide a data communications
interface that allows DTE equipment connected to port circuit packs to
communicate with software applications running on the system. The DATA-CON
represents the interface to the control channel of the TDM Bus. Each DATA-CHL
represents a dial-up/dial-out asynchronous communication port that interfaces to
the TDM Bus. The DATA-CON supports the signaling required to establish and
tear down a connection between the terminal equipment and a software
application. Data is transported between the terminal equipment and the software
over the connection established over the DATA-CHL.
From an external (user) point of view, the DATA-CON is not directly accessible via
a system technician command; that is, there is no object command word that
represents it. Instead, the DATA-CON is tested under the guise of the DATA-CHLs
that it controls. The test data-module <ext> [short | long] command tests the
DATA-CON along with the DATA-CHL designated by <ext> but all Test Results are
associated with the DATA-CHL Maintenance Name.
From an internal (system software) point of view, the DATA-CON uses the same
set of tests as the DATA-CHLs. Therefore, the DATA-CON assumes the same
Error Type and Aux Data values as the DATA-CHLs in the Hardware Error Log. It
is also alarmed at the same Alarm Level (that is, MINOR, ON BOARD) in the
Alarm Log. In both logs, the Maintenance Name is DATA-CON.
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run Full Name of MO
DATA-CON MINOR none Network Control Driver