7000 Series plug-in interface

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The 7000-series scopes have two categories of slots, horizontal and vertical, that have partly different but compatible interconnects so that vertical pplugins can be installed in horizontal slots and vice versa, but not with all functions.

The interconnect is a 76-pin PCB edge connector. Pinout is given in the following table, where (H) indicates signals available in horizontal slots only, and (V) denotes signals available in vertical slots only.

A side B side
Pin Function Function
1 Sweep Gate (H) Delay mode ctl in (H)
2 Gate common Delay mode ctl out (V)
3 A Sweep B Sweep
4 Line trigger Trigger holdoff (H)
5 Chop drive Aux Swp gate (H)
6 Chop common Alt. drive
7 Intensity Limit Vert. mode Cmd
8 +5 V Sweep inhibit (H)
9 +5 V (lights ) Delay gate (H)
10 Ready (H) X comp inhibit (H)
11 +Vertical −Vertical
12 Signal Ground Signal Ground
13 +Trigger −Trigger
14 Lights common Dual beam Aux Y-Axis (7844)
15 Single sweep logic Single sweep reset (H)
16 Mode Aux Y axis (H)
17 Aux Z axis Aux Z common
18 +15 V -15 V
19 +50 V -50 V
20 +Trigger in −Trigger in
21 +Aux trigger in −Aux trigger in
22 /EOI /SRQ
23 /DAV REN
24 /IFC /ATN
25 /NDAC /NRFD
26 Logic Common /SND
27 -5.2 V 5.1 V
28 n.c. n.c.
29 TS10 TS9
30 TS8 TS7
31 TS6 TS5
32 TS4 TS3
33 TS2 TSl
34 n.c. n.c.
35 Force readout Plugin mode
36 n.c. n.c.
37 Ch. 1 Col Ch. 1 Row
38 Ch. 2 Col Ch. 2 Row


Pin group function legend

Plugin power
HF signals
Readout system
IEEE-488 (digitizers?)

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