Tektronix 2221 - Page 159

Appendix
B -
2221
Operators
П
П
П
INTERCONNECTION
CABLE
PART
NUMBERS
C
Tektronix
part
pers and
stocks
RS - 232
- C
intercon
nection
cables .
Part
numbers
and
a
description
are
as
follows
:
Type B connections require a “ null - modem " cable to
connect
two devices
of the
same
logical
type
together .
Either two DTE
devices
or
two DCE
devices can be
made
to
communicate
by
externally
reversing the
data and
logic
lines as
shown in
the
figures . A
gender
change is
needed
for Type
B and
Type B2
connections
.
For Type
B1
con
nections
, a
gender
change
is
needed
only to
match up to
the
null
-
modem
cable
connectors
.
Gender
changing
can
be
done with the
null -
modem
cable
if
it
made with the
correct
gender
connectors
for
the
application .
RS - 232
Interconnection
cable ,
length 10
ft.012-0911-00
RS -
232 Null -
Modem
cable ,
length
16
ft .
012-0689-00
FEMALE -
to -
FEMALE
GENDER
CHANGER
П
П
п
П
1
2
3
4
5
6
7
8
20
7
8
20
FEMALE -
to -
MALE
NULL - MODEM
FEMALE - to -
FEMALE
GENDER
CHANGER
Л
П
von
AWNA
5
4
5
6
7
6
7
8
20
20
6530-15
Figure
B - 5 .
Type B
Connections
-
DTE male
to DTE
male and DCE
male to
DCE male .
n
П
n
П
П
П
O
B - 7