CBU-NM
User Manual
ii
80-60100000-02
14–2
14.3 Cabling requirements
14.3.1 Handshaking disabled
With handshaking disabled, a ‘looped’ cable is required:
P S V
( 2 5 P i n M a l e
o n l e a d )
P C N C
( 2 5 P i n F e m a l e
o n l e a d )
P C N C
( 9 P i n F e m a l e
o n l e a d )
2
3
4
5
6
7
8
1
Shield
F G
T X D
R X D
R T S
C T S
D S R
S G
D C D
D T R
Name
Direction
7
8
20
2
3
4
5
6
1
7
8
20
2
3
4
5
6
1
Figure 14.1 - Non-handshaking cable specification
Note that the DSR/DTR are looped at each end and are not passed
through the cable.
Cabletron supplies cables meeting these requirements:
Description
Part Number
25-way male to 25-way female
CAB17
25-way male to 9-way female
SPEC0123
