HP 8712C User Manual page 371

Front/Rear Panel
Connectors
The RS-232 connector is a rear panel connector used with serial peripherals
such as printers and plotters. The pin-out is shown in Figure 8-5. The
connector is a male DB-9. See "Configure the Hardcopy Port," in Chapter 4
for information on using this port with a printer or plotter.
8-10
PIN PIN SIGNAL SIGNAL
DESCRIPTION DESCRIPTION
1 1
2 2
R e c e i v e D a t a R e c e i v e D a t a
3 3
T r a n s m i t T r a n s m i t D a t a
4 4 D a t a T e r m i n a l R e a d y C D D a t a T e r m i n a l R e a d y C D
5 5
G r o u n d , 0 V G r o u n d , 0 V
6 6
D a t a S e t R e a d y D a t a S e t R e a d y
7 7
R e q u e s t t o S e n d R e q u e s t t o S e n d
C l e a r t o S e n d C l e a r t o S e n d
9
R i n g I n d i c a t o r
V i e w l o o k i n g i n t o c o n n e c t o r
Figure g-5. M-232 Connector Pin-out
S I GNAL S I GNAL
NAME NAME
I
B B
BA B A
A B A B
cc cc
CA CA
CB
CE