HP 8340B Manual page 314

J18
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Mnemonic
Z-AXIS BLANK
LALTSEL
LSSP
(LSTOP SWEEP)
+5.2V
EXT TRIG
PEN LIFT
MUTE
NEG BLANK
LRETRACE
LALTEN
GND
LSTEPUP
8410 TRIG
8410B/C INTERFACE CONNECTOR J18
(As
seen from rear panel)
W
IS 16 17 18
19
20 21 22 23 24 25
^/ooooooooooooV^
^0000000000000 )
1 2 3 t
5
6
7 8
9
10
11
12 13
^
Levels
+5V,
-5V*
TTL
(LOW TRUE)
TTL (LOW TRUE)
EXT SOURCE
INPUT LEVEL
SEE TEXT
TTL
(LOW
TRUE)
0V,
-5V*
TTL (LOW TRUE)
TTL
(LOW TRUE
TTL (LOW TRUE)
TTL (LOW TRUE)
Input/Output
OUTPUT
OUTPUT
I/O
INPUT
OUTPUT
INPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
OUTPUT
Signal
Source/
Destination
A57P1-99
A57P1-59
A57P1-107
A52P1-17, 18,41,42
A57P1-106
A57P1-108
A57P1-61
A57P1-41
A57P1-58
A57P1-60
STOP SWEEP
BNC GND LUG
A62J1-28
A57P1-62
A62J31 Pin
2,16
10,24
5,19
3
4,18
6,20
8,22
1,15
11,25
9,23
14
7
J18W46
Wire
Color Code
2
0
5
3
6
8
4
1
9-0
9
9-0-7
9-0-8
7
•See text
Figure G-19.
8410B/C Interface Connector (J18)
G-46
Rear Panel Theory of
Operation Change
7
HP 8340B/41B