EVS XS Manual de usuario Pagina 84

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TTL Inputs (GP In 5, 6, 7, 8)
Relay Inputs Pin-Out
The relay must be connected between the ground and the corresponding TTL input on the
DB-25.
TTL Inputs Pin-Out
Each TTL input on the DB-25 is directly connected to the pin of the TTL connector on the
device triggering the GPI. The ground must be common between the DB-25 connector of
the XS serverand the external device.
Specifications
each pin can be individually configured as an output or an input
internal 4K7 pull up to +5V
low level Vi<1.5 Volt (U12=74HC245)
high level Vi>3.5 Volt (U12=74HC245)
optional TTL compatible level (U12=74HCT245)
74 5. Hardware Installation and Cabling
EVS Broadcast Equipment SA Issue 12.05.B- July 2014
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