Panasonic KX-TDA600 Installation Manual - Page 201

Hybrid IP-PBX 9-pin, Printer/PC 25-pin, Circuit Type, Signal, Pin No., RD RXD, SD TXD, ER DTR, DR

Page 201 highlights

2.12 Connection of Peripherals For connecting a printer/PC with a 25-pin RS-232C connector Hybrid IP-PBX (9-pin) Printer/PC (25-pin) Circuit Type Signal (EIA) Name Pin No. Pin No. Signal Circuit Type Name (EIA) BB RD (RXD) 2 1 FG AA BA SD (TXD) 3 3 RD (RXD) BB CD ER (DTR) 4 2 SD (TXD) BA AB SG 5 20 ER (DTR) CD CC DR (DSR) 6 7 SG AB CA RS (RTS) 7 5 CS (CTS) CB CB CS (CTS) 8 6 DR (DSR) CC 4 RS (RTS) CF RS-232C Signals • Receive Data (RXD):...(input) Conveys signals from the printer or the PC. • Transmit Data (TXD):...(output) Conveys signals from the unit to the printer or the PC. A "Mark" condition is held unless data or BREAK signals are being transmitted. • Data Terminal Ready (DTR):...(output) This signal line is turned ON by the unit to indicate that it is ON LINE. Circuit ER (DTR) ON does not indicate that communication has been established with the printer or the PC. It is switched OFF when the unit is OFF LINE. • Signal Ground (SG) Connects to the DC ground of the unit for all interface signals. • Data Set Ready (DSR):...(input) An ON condition of circuit DR (DSR) indicates the printer or the PC is ready. Circuit DR (DSR) ON does not indicate that communication has been established with the printer or the PC. • Request To Send (RTS):...(output) This lead is held ON whenever DR (DSR) is ON. • Clear To Send (CTS):...(input) An ON condition of circuit CS (CTS) indicates that the printer or the PC is ready to receive data from the unit. The unit does not attempt to transfer data or receive data when circuit CS (CTS) is OFF. • Frame Ground (FG) Connects to the unit frame and the ground conductor of the AC power cord. Installation Manual 201

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2.12 Connection of Peripherals
Installation Manual
201
For connecting a printer/PC with a 25-pin RS-232C connector
RS-232C Signals
Receive Data (RXD):
…(input)
Conveys signals from the printer or the PC.
Transmit Data (TXD):
…(output)
Conveys signals from the unit to the printer or the PC. A "Mark" condition is held unless data or
BREAK signals are being transmitted.
Data Terminal Ready (DTR):
…(output)
This signal line is turned ON by the unit to indicate that it is ON LINE. Circuit ER (DTR) ON does
not indicate that communication has been established with the printer or the PC. It is switched OFF
when the unit is OFF LINE.
Signal Ground (SG)
Connects to the DC ground of the unit for all interface signals.
Data Set Ready (DSR):
…(input)
An ON condition of circuit DR (DSR) indicates the printer or the PC is ready. Circuit DR (DSR) ON
does not indicate that communication has been established with the printer or the PC.
Request To Send (RTS):
…(output)
This lead is held ON whenever DR (DSR) is ON.
Clear To Send (CTS):
…(input)
An ON condition of circuit CS (CTS) indicates that the printer or the PC is ready to receive data
from the unit. The unit does not attempt to transfer data or receive data when circuit CS (CTS) is
OFF.
Frame Ground (FG)
Connects to the unit frame and the ground conductor of the AC power cord.
Hybrid IP-PBX (9-pin)
Printer/PC (25-pin)
Circuit Type
(EIA)
Signal
Name
Pin No.
Signal
Name
Circuit Type
(EIA)
BB
RD (RXD)
2
BA
SD (TXD)
3
CD
ER (DTR)
4
AB
SG
5
CC
DR (DSR)
6
CA
RS (RTS)
7
CB
CS (CTS)
8
1
FG
AA
3
RD (RXD)
BB
2
SD (TXD)
BA
20
ER (DTR)
CD
7
SG
AB
5
CS (CTS)
CB
6
DR (DSR)
CC
CF
4
RS (RTS)
Pin No.