Karel MS48. 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.

PKCR Card to PC

Connector Pin No Signal 25-pin card connector 9-pin PC connector
1 +10 VDC 4 7
2 -10 VDC 20 4
3 TXD 3 2
4 RXD 2 3
5 PC GND 7 5

The data exchange protocol is using a baud rate of 4800 Bps, 8 data bits, 1 Stop bit and no parity.

RS232 card to PC

Connector Pin No Signal 25-pin card connector 9-pin PC connector
1 TXD 3 3
2 RXD 20 6
3 GND 7 5

For this use a baud rate of 2400 bps, 8 data bits, 1 stop bit, and EVEN parity.

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 Karel MS48

Parser Selection For (none)

Karel MS48

Karel MS48

Data items

DescriptionData typeColumn name
Call typestringCALL_TYPE
Call timedatetimeCALL_TIME
Call durationdatetimeCALL_DURATION
Call duration (s)integerCALL_DURATION_S

Interested in reports for PBX usage?

We offer the PBX Reports utility with various manual, scheduled and email reports, built-in web-server, and other features. Look here

Want PBX call logs in a database?

This is the standard feature. The logger captures exports SMDR or CDR data in real-time to your database. Follow this link

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