Black Box 24 port User Manual

Page of 263
Black Box Console Server user guide
130
Admin Port
The port labelled ‘Admin’ is on the rear of the unit. When fitted with a 25-pin female 
D-type connector the wiring is as follows:
If you wish to connect a terminal into the Admin Port, see the connection example in 
Pin
Signal
Function
2
RXD
Receive
3
TXD
Transmit
7
S/GND
Signal Ground
all others
-
(do not connect)