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NEC DSX 80. SMDR/CDR data format and connection settings


This data is being extracted with help of the "Advanced PBX Data Logger" software only. It may not applicable for other software titles.

NEC DSX 40, 80, 160 cable pinout

To connect to the DSX serial port you ma use:

  • Adaptor P/N 1091014 to connect to the 9-pin printer serial port
  • Use a standard 6-conductor line cord from the adaptor DSX serial port.

Note: The PBX does not buffer SMDR records when the computer is offline or disconnected.

Default communication parameters for DSX:

  • Serial port baud rate: 38,400;
  • Number of data bits: 8;
  • Parity: None;
  • Stop bits: 1.
Name PBX (RJ11 jack, 6 pin conductor) Computer (DB9) Name
DTR 1 4 DSR
TXD 2 3 RXD
GND 3 5 GND
GND 4   Not connected
RXD 5 3 TXD
DSR 6 1 DTR

NEC DSX 40 connection

NEC%20DSX 40. RS232 port

NEC DSX 80 and 160 connection

NEC%20DSX 80. RS232 port

NEC DSX programming

  • 1541-01: SMDR Port, enter 1 (RS232) to enable SMDR output.
  • 1101-01: Baud Rate, change the DSX serial port baud rate (if necessary, 1 for 2400, 2 for 9600, 3 for 19,200, 4 for 38,400, 5 for 57,600).
  • 1541-02: Print SMDR Headers, enter Yes.
  • 3111-06: Station Message Detail Recording, enter Yes.
  • 1541-03: SMDR Language, enter 1 (English).

NEC DSX programming via "DSX System Administrator"

System. Communication settings

System. SMDR settings

Configuring a COM port

The COM port number should match the number in your system. You can check the correct port number in Devices Manager → Ports.

1. Add a new configuration with the RS232 data source (if you didn't it before).

RS232 Interface

2. Select the COM port and configure the communication settings for your PBX corresponding to your PBX settings.

RS232 or COM port settings for (none)
Port flow control settings (none)

Selecting the correct parser for NEC DSX 80

Parser Selection For NEC DSX 80 - SMDR/CDR call logging & accounting

NEC DSX 80

NEC DSX 80

Data items

DescriptionData typeColumn name
Call typestringCALL_TYPE
DirectionstringDIRECTION
ExtstringEXT
LinestringTRUNK
Caller phonestringCALLER_PHONE
Dialed phonestringDIALED_PHONE
AccountstringACC
Call timedatetimeCALL_TIME
Call durationdatetimeCALL_DURATION
Call duration (s)integerCALL_DURATION_S
Caller namestringFLAG1

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The logger, with its standard feature, ensures real-time capture and exportation of SMDR or CDR data to your database. Follow this link

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