Panasonic KX-TVP200 installation manual 3 RS-232C Signals

2.8 TERMINAL CONNECTION

Standard IBM® 25-Pin Connection

Circuit Type	Signal	Pin No.
(RS-232C)	Name
AA	FG	1
BA	TXD	2
BB	RXD	3
AB	SG	7
CD	DTR	20

Pin No.	Signal	Circuit Type
	Name	(RS-232C)
1	FG	AA
3	RXD	BB
2	TXD	BA
20	DTR	CD
7	SG	AB
5	CTS	CB
6	DSR	CC
8	DCD	CF

Table 2-6 Pin Configuration of the RS-232C

Pin		Signal Name	Circuit Type
Number			RS-232C	CCITT
1	FG	Frame Ground	AA	101
2	TXD	Transmitted Data	BA	103
3	RXD	Received Data	BB	104
4	RTS	Request To Send	CA	105
6	DSR	Data Set Ready	CC	107
7	SG	Signal Ground	AB	102
8	DCD	Data Carrier Detect	CF	109
20	DTR	Data Terminal Ready	CD	108.2

2.8.3 RS-232C Signals

Frame Ground (FG)

Connects an external ground to the unit frame, usually the earth 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.

Signal Ground (SG)

Connects to the DC ground of the unit for all interface signals.

Installation Manual

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