I P - D S U U s e r ’ s M a n u a l
02/02/08
41
8 C O N S O L E C A B L I N G
8.1 The DB9 Console Adapter
Some Personal Computers use a 9 pin DB9 interface for serial communications. The
terminal emulation programs may require certain lead status. Since console connections
are generally implemented as three wire interfaces (i.e. RxD, TxD, and SG); this may
pose a problem for the terminal emulation programs.
Below is depicted the wiring of a DB9 adapter which eliminates the problems associated
with these terminal emulation programs. It is used with a standard
straight
category 5
RJ45 cable.
1 2 3 4 5 6 7 8
RJ45 Female Pin Numbering
RJ45 Female
1
2
3
4
5
6
7
8
DB9 Async DCE Console Adapter
DB9 Female
1
2
3
4
5
6
7
8
9
DTR
DCD
SG
DSR
CTS
RTS
RxD
TxD
RI
Note: This cable for use on console ports only.
Use with a straight CAT-5 RJ45 cable.