6 – Interfaces
A6700sc/A6750sc User’s Manual
38
The provided breakout cable has numerical markings on the BNC overmolding that are described in
the table below.
Pin Name Breakout
Connector
Type Description
1
NC
2
NC
3
RECORD
START
BNC 3 INPUT Sets bit in image header. Can be used by
ResearchIR to start recording.
4
SYNC OUT BNC 4 OUTPUT 160ns wide pulse at start of integration
5
GROUND
6
GPIO IN BNC 6 INPUT Sets bits in image header. Updated at ~1Hz rate.
7
Reserved BNC 7
8
TRIGGER BNC 8 INPUT External trigger. Can be used by ResearchIR to start
recording.
9
Reserved BNC 9
10
SYNC IN BNC 10 INPUT Duplicate of rear panel input. Do not use both at the
same time.
11
RS-232 TX DB9 Male OUTPUT For camera control
12
RS-232 RX DB9 Male INPUT For camera control
Inputs are all LV-CMOS. High>2V, Low<0.2V. Max is 5.5V
If you wish to make your own breakout cable, there are three variants of the Hirose mating connector
that will work: HR10A-10P-12S(73), HR10-10P-12S(73) or HR10A-10P-12SC(73).
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