Black Box 24 port User Manual
Black Box Console Server user guide
139
Connection from the 25-pin Admin Port to a Terminal
For a terminal operating at speeds faster than 9600 baud, or for a terminal which
cannot use xon/xoff flow control, the following connections are required:
cannot use xon/xoff flow control, the following connections are required:
Notes:
1. In addition to the signals shown in the examples above, you may connect
Protective Ground (P/GND) if you have shielded twisted-pair (STP) cable.
Connect P/GND at either your equipment or the Black Box device (but not both).
P/GND will reduce interference in noisy environments.
Connect P/GND at either your equipment or the Black Box device (but not both).
P/GND will reduce interference in noisy environments.
2. * asterisk denotes that you connect CTS to CTS only if input flow control (from
the Terminal to the Black Box device) is required.
B l a c k
B o x
2 5 - p i n
A d m i n
P o r t
T e r m i n a l
D B 2 5
D B 2 5
T X D
3
— — — — — — — >
3
R X D
R X D
2
< — — — — — — —
2
T X D
G N D
7
— — — — — — — —
7
G N D
B l a c k
B o x
d e v i c e
T e r m i n a l
R S 2 3 2
R J 4 5
D B 2 5
R X D
6
< — — — — — — — —
2
T X D
T X D
5
— — — — — - - — >
3
R X D
R T S
8
< — — — — — — — —
4
o r
2 0
R T S
o r
D T R
* C T S
7
— — — — — - - — >
5
* C T S
S / G N D
4
— — — — — — — -
7
S / G N D