SMC Networks TIGERSWITCH 10/100 - Manual (Page 314)

P
IN
A
SSIGNMENTS
C-2
DB-9 Port Pin Assignments
Console Port to 9-Pin DTE Port on PC
Console Port to 25-Pin DTE Port on PC
EIA Circuit CCITT Signal Description Switch’s
DB9 DTE
Pin #
PC DB9
DTE Pin
#
BB 104 RxD (Received Data) 2 2
BA 103 TxD (Transmitted Data) 3 3
AB 102 SGND (Signal Ground) 5 5
No other pins are used.
Switch’s 9-Pin Serial
Port
Null Modem PC’s 9-Pin DTE Port
2 RXD <---------TXD ------------ 3 TXD
3 TXD -----------RXD ----------> 2 RXD
5 SGND -----------SGND ---------- 5 SGND
No other pins are used.
Switch’s 9-Pin Serial
Port
Null Modem PC’s 25-Pin DTE Port
2 RXD <---------TXD ------------ 2 TXD
3 TXD -----------RXD ----------> 3 RXD
5 SGND -----------SGND ---------- 7 SGND
No other pins are used.