Rs-232C Signals - Panasonic KX-TVS300 Installation Manual

INSTALLATION
Standard IBM 25-Pin Connection
Circuit Type Signal
(RS-232C) Name
AA FG
BA TXD
BB RXD
AB SG
CD DTR
Pin
Number
1
2
3
4
6
7
8
20

2.8.3 RS-232C Signals

Frame Ground (FG)
Connects an external ground to the unit frame, usually the ground pin of the AC power cord.
Transmitted Data (TXD)—output
Conveys signals from the unit to the terminal/printer. A "mark" condition is held unless data or
BREAK signals are being transmitted.
Received Data (RXD)—input
Conveys signals from the terminal/printer to the unit.
Request To Send (RTS)—output
This lead is held on whenever DSR is on.
58
®
Pin No.
1
2
3
7
20
Table 12 Pin Configuration of the RS-232C
Signal Name
FG Frame Ground
TXD Transmitted Data
RXD Received Data
RTS Request To Send
DSR Data Set Ready
SG Signal Ground
DCD Data Carrier Detect
DTR Data Terminal Ready
Signal Circuit Type
Pin No.
Name (RS-232C)
1 FG
3 RXD
2 TXD
20 DTR
7 SG
5 CTS
6 DSR
8 DCD
Circuit Type
RS-232C
AA
BA
BB
CA
CC
AB
CF
CD
Installation Manual
AA
BB
BA
CD
AB
CB
CC
CF
CCITT
101
103
104
105
107
102
109
108.2