ADLINK PCIe-2602 - Manual (Page 28)

18 Introduction
In the following, varying situations are illustrated in which channel
# of digital input is connected, where # is 0 to 3.
Figure 1-12: Sinking DI: Slider # of Switch 4 OFF
API (DI Status)
DO Status
from User
1 High Z
0 Low
DI#(To FPGA)
DI IN# + (From
Connector)
1k Ÿ
PCIe-2602
DO from user
VCC from user
+3.3V
DI IN# - (From
Connector)
DC
+5V
330 Ÿ
S4