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2.6 CN2 Pin Assignments: TTL Output
CN2 is a 6-pin header as follows:
Table 2-2: CN2 Pin Assignments: TTL Output
Note:
+5V and DGND pins are provided by the PCI-Bus. There-
fore, these signals are not isolated.
2.7 Board Index Switch Setting
The SW1 switch is used to set board unique index. Its range is
from 0 to 15. For example, the board index is 1 if you switch on pin
1 and switch off pin 2, 3 and 4.
2.8 Default Trigger Level
The SW2 switch is used to set TRG pin's default level when power
on. Each bit represents one TRG channel. "ON" position means
default level of TRG channel is set to +5V and OFF position
means it is set to 0V. Manufacturing setting is ON.
14
No.
Name
I/O
1
+5V
-
2
TTL-OUT1 O
3
TTL-OUT2 O
4
TTL-OUT3 O
5
TTL-OUT4 O
6
DGND
-
Function
+5V power supply
TTL output signal
TTL output signal
TTL output signal
TTL output signal
TTL signal ground
Installation
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