Panasonic KX-TD500 Installation Manual page 174

2.8 Peripheral Equipment
Connection Chart 2 (25 pin Connector)
RS-232C port (PROG/SMDR) on the Basic Shelf
Circuit Type (EIA)
AA
BA
BB
CA
CB
CC
AB
CF
CD
174
Signal Name
Pin No.
FG
1
SD (TXD)
2
RD (RXD)
3
RTS
4
(No Connection)
CTS 5
DR (DSR)
6
SG
7
DCD
8
ER (DTR)
20
RS-232C port on the PC/Printer (25 pin)
Pin No. Signal Name Circuit Type (EIA)
FG
1
TXD
2
RXD
3
RTS
4
CTS
5
DTR
20
SG
7
DSR
6
DCD
8
AA
BA
BB
CA
CB
CD
AB
CC
CF
Installation