Panasonic KX-TD500 System Reference Manual page 825

1) In the case of connecting terminal is 25 pin
KX-TD500 RS-232C Port (25 pin)
Circuit Type (EIA) Signal Name
AA
BB
BA
CB
CA
CD
AB
CC
1
14
View from the top of the connector
2) In the case of connecting terminal is 9 pin (IBM-PC type)
KX-TD500 RS-232C Port (25 pin)
Circuit Type (EIA) Signal Name
AA
BB
BA
CB
CA
CD
AB
CC
5
9
View from the top of the connector
Pin No.
FG 1
RXD 3
TXD 2
CTS 5
RTS 4
DTR 20
SG
7
DSR 6
13
25
Pin No.
FG
1
RXD 3
TXD 2
CTS 5
RTS 4
DTR 20
SG 7
DSR 6
1
6
Terminal's Serial Port (25 pin)
Pin No.
1
2
3
4
5
6
7
20
Pin Plot Plan of RS-232C Connector (25 pin, Male)
This fig. is the sight from connecting terminal side. Be
careful in connecting cables because pin order is
reversed when you see connector from the back side.
In case connector is female, pin order is completely
reversed.
Terminal's Serial Port (9 pin)
Pin No.
3
2
7
8
6
5
4
Pin Plot Plan of RS-232C Connector (9 pin, Female)
This fig. is the sight from connecting terminal side. Be
careful in connecting cables because pin order is
reversed when you see connector from the back side.
In case connector is male, pin order is completely
reversed.
7-B-3
Signal Name Circuit Type (EIA)
FG AA
TXD BA
RXD BB
RTS CA
CTS CB
CC
DSR
SG AB
DTR CD
Signal Name Circuit Type (EIA)
TXD BA
RXD BB
RTS CA
CTS CB
DSR CC
SG AB
DTR CD