Black Box LEH8814 ユーザーズマニュアル
Black Box Hardened Managed Ethernet Switch
154 User’s Manual
Appendix A
B9 DCE pin assignment
Pin no. Name
RS232 Signal name
1
DCD
Data Carrier detect
2 RxD
Received
data
3 TxD
Transmit
data
4 ---
N/C
5 GND
Signal
ground
6
DSR
Data set Ready
7 ---
N/C
8
CTS
Clear to send
9 ---
N/C