STATION MESSAGE DETAIL RECORDING (SMDR)
SYSTEM OUTLINE
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A2477-10
(1) MP Built-in SMDR
The system outline of the Built-in SMDR is shown below. The Built-in SMDR consists of the
MP and the external SMDR terminal.
• MP card:
The MP stores various kinds of information on an event basis. When a call is completed, the
MP sends out the call information pertaining to that specific call to the SMDR terminal.
The MP keeps supervising the status of the SMDR terminal. If the SMDR terminal is not
ready to receive information (Busy Status), the MP temporarily stores the call information
into its internal memory.
When the number of the call records stored in MP reaches the maximum, new call records
will be lost.
The call record memory will be cleared by MP reset.
• SMDR Terminal:
A Personal Computer is used as the SMDR terminal for receiving and processing the call
information that arrives from the MP. The SMDR terminal is connected to the RS 0 Port of
the MP and interface with the system by RS-232C. RS 0 Port is used for an Asynchronous
SMDR terminal.
System Outline of MP Built-in SMDR
LC TRUNK
STATION
SMDR TERMINAL
RS-232C
RS 0 PORT
MP
TDSW
MP: MAIN PROCESSOR
EXPMEM: EXPANSION
MEMORY
BUILT-
IN
SMDR
EXP
MEM
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