5
User Manual
HKM01-4K
RS232 Pin Define
Pin
DB9 (Male)
DB9 (Female)
1
CD
CD
2
RxD
TxD
3
TxD
RxD
4
DTR
DTR
5
GND
GND
6
DSR
DSR
7
RTS
RTS
8
CTS
CTS
9
RI
RI
Grouping
1.
Set up the switch of Tx and Rx (HKM01T/R-4K) to choose a group.
2.
Set up the Channel
a.
The channel of Tx and Rx in a same group should be the same.
3.
Remove the power and plug it in again.
SWITCH
Group / Settings
SW 1
Group 0 OFF
↑
Group 1 ON
↓
(Up to 32 pairs of Tx and Rx can be set)