Karel MS48 - II.5. Call Record Listing & Pc-Console Interface - Cm48 + Pk48; II.6. Serial Printer Interface - Rs232

Karel MS48 Installation & Maintenance Guide
Edition 3.2
20
II.5. CALL RECORD LISTING & PC-CONSOLE
INTERFACE - CM48 + PK48
CM48+PK48 is the combined unit of CM48 and PK48 interfaces, the programs of
which can run independently but cooperatively.
CM48+PK48 consists of an add-on card called PKCR (the same card of CM48 CRL
Interface), a 5-meter cable for PC-PKCR connection, a security plug and two 3.5”
diskettes one with CM224-W and the other with PK224-D software. The cable has
a 25-pin D-type plug at the PC end and a 5-pin connector at the PKCR end.
See sections II.3. and II.4. for detailed information about CM48 and PK48,
respectively.
II.6. SERIAL PRINTER INTERFACE - RS232
MS48 system offers the alternative of using a serial printer for
Call Record Listing
(CRL)
facilities, for you to access the call records in the system memory through
the serial printer.
RS232 Serial Printer Interface serves this purpose. RS232 consists of an add-on
card and a 5-meter cable for PC-Exchange connection. The cable has a 25-pin
D-type plug at the PC end and a 3-pin connector at the RS232 end.
•
S
IGNALING AND COMMUNICATION PARAMETERS
:
The signaling between RS232 and the serial printer is illustrated in the
following table. Since the printer-RS232 cable has a 25-pin plug at the printer
end, it is necessary to employ a 25-pin to 9-pin converter plug, in order to use
the 9-pin connector of the printer :
RS232 Card Printer
Connector Pin No Signal 25-pin Connector
Pin No
9-pin Connector
Pin No
1 TXD 3 3
2 RXD 20 6
3 Printer GND 7 5
The parameters of RS232 DSR/DTR protocol for the data flow between the
system and the printer is illustrated in the following table :
For Printer
Data Bits: 8
Stop Bit: 1
Parity: Even
Baud rate: 2400 bps
You may need to configure the printer for these parameters by selecting the
appropriate settings on the printer.
The data format of RS232 is identical to the data format of CM48 CRL Interface.
The dimensions of RS232 card are 5.5 cm x 6 cm.
The weight of RS232 interface (including cable) is 0.25 kg.