Black Box 16 port - Manual (Page 139)

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:
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.
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