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TIP866-IO-10 User Manual Issue 1.2
Page 9 of 10
4 DB9 Pin Assignment
Pin No.
DB9
RS232
( TIP866-10 )
RS422
( TIP866-20 )
RS485
( TIP867-10 )
1 DCD
2 RXD
TXD+
DX+
3 TXD
TXD-
DX-
4 DTR
5 GND
GND
GND
6 DSR
7 RTS
RXD-
8 CTS
RXD+
9 RI
Figure 4-1 : Pin Assignment of DB9 Male Connector TIP866-IO-10 Channel 1 and 2
Pin No.
DB9
RS232
( TIP866-10 )
RS422
( TIP866-20 )
RS485
( TIP867-10 )
1
2 RXD
TXD+
DX+
3 TXD
TXD-
DX-
4
5 GND
GND
GND
6
7 RTS
RXD-
8 CTS
RXD+
9
Figure 4-2 : Pin Assignment of DB9 Male Connector TIP866-IO-10 Channel 3 to 8
Channel 1 and 2 of the TIP866-IO-10 additionally support DCD, DTR, RI and DSR for the TIP866-
10.