HP 8340B Operating Instructions Manual page 49

HP 841OC INTERFACE CONNECTOR J18
J18
Pin
Mnemonic Levels
Input/Output
Signal
Source/
Destination
A62J31 Pin
J18W46
Wire
Color Code
1
2 Z-AXIS BLAND + 5V, — 5 V*
OUTPUT
A57P1-99
2, 16 2
3
4
LALTSEL TTL (LOW TRUE)
OUTPUT
A57P1-59
10,24 0
5
LSSP
(LSTOP SWEEP)
TTL (LOW TRUE) I/O
A57P1-107 5, 19
5
6 + 5.2V
A52P1-17, 18, 41,42
3 3
7
8
9
MUTE TTL (LOW TRUE)
INPUT A57P1-61
8, 22
4
10 EXT TRIG
EXT SOURCE
INPUT LEVEL
INPUT
A57P1-106 4, 18
6
11 PEN LIFT SEE TEXT
OUTPUT
A57P1-108 6, 20
8
12
13
14
NEG BLANK
0 V, — 5 V* OUTPUT
A57P1-41 1, 15
1
15
16
LRETRACE TTL (LOW TRUE)
OUTPUT A57P1-58
11,25
9-0
17 LALTEN
TTL (LOW TRUE)
OUTPUT A57P1-60 9, 23
9
18
19 GND
STOP SWEEP
BNC GND LUG
9-0-7
20
21
22 LSTEPUP
TTL (LOW TRUE) INPUT A62J1-28
14
9-0-8
23
24 8410 TRIG TTL (LOW TRUE)
OUTPUT A57P1-62
7
7
25
'See text
Figure 3-21. HP 8410 Interface (2 of 2)
3-48
Operating Information
HP 8340B/41B