18.4 External I/O Section (BNC (TRIGGER IN/OUT
and START IN/OUT), Digital I/O (EXT I/O), and
I/O for Synchronous Operation (SYNC IN/OUT))
BNC I/O
Connector:
BNC connector
I/O level:
TTL
I/O logic format:
Negative logic, falling edge
Minimum pulse width: 10 µs
Digital I/O
Connector:
15 pins (765601/765611 digital I/O 2 bit model)
50 pins (765602/765612 digital I/O 16 bit model)
I/O level:
TTL
Minimum pulse width: 10 µs
I/O for Synchronous Operation
Connector:
RJ-11 connector
I/O level:
TTL
Minimum pulse width: 10 µs
18-6
IM 765601-01E