Panasonic KX-TAW84868 Installation Manual - Page 106

External Modem Connection

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3.2 Connection External Modem Connection RS-232C Port (9 pin) To RS-232C port (25-pin) Modem To CO line/PBX extension port assigned as the CO line destination PBX Signal Name Pin No. RD (RXD) 2 SD (TXD) 3 ER (DTR) 4 DR (DSR) 6 External Modem Pin No. Signal Name 2 SD (TXD) 3 RD (RXD) 6 DR (DSR) 20 ER (DTR) After connecting the PBX and the external modem, set the power switch of the external modem to "ON", then the external modem will be initialized with the default values. The following AT command settings may be required for the modem: • The Data Terminal Ready (DTR) signal should be ignored. • The Data Terminal Equipment (DTE)/Modem flow control should be turned off. • The data compression should be disabled. • Error Correction is not necessary. Notes • • • Use an RS-232C straight cable for connection between the PBX and external modem. An AT command (for initialization, enabling automatic answer, etc.) can only be programmed by KX-TAW848 Maintenance Console. "AT&F0Q0E0V1S0=1X0&D0" is stored as the default value. For more information about the AT command, refer to the external modem's instructions. 106 Installation Manual

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3.2 Connection
106
Installation Manual
External Modem Connection
After connecting the PBX and the external modem, set the power switch of the external modem to "ON",
then the external modem will be initialized with the default values.
The following AT command settings may be required for the modem:
•
The Data Terminal Ready (DTR) signal should be ignored.
•
The Data Terminal Equipment (DTE)/Modem flow control should be turned off.
•
The data compression should be disabled.
•
Error Correction is not necessary.
Notes
•
Use an RS-232C straight cable for connection between the PBX and external modem.
•
An AT command (for initialization, enabling automatic answer, etc.) can only be programmed by
KX-TAW848 Maintenance Console. "AT&F0Q0E0V1S0=1X0&D0" is stored as the default value.
•
For more information about the AT command, refer to the external modem's instructions.
To CO line/PBX extension
port assigned as the CO line destination
Modem
To RS-232C port
(25-pin)
External Modem
PBX
Signal Name
Pin No.
Signal Name
SD (TXD)
2
RD (RXD)
3
DR (DSR)
6
ER (DTR)
20
2
RD (RXD)
3
SD (TXD)
4
ER (DTR)
6
DR (DSR)
Pin No.
RS-232C Port
(9 pin)