6 cn2 pin assignments: ttl output, 7 board index switch setting, 8 default trigger level – ADLINK PCI-8124-C User Manual
Page 24: Cn2 pin assignments: ttl output, Board index switch setting, Default trigger level
14
Installation
2.6
CN2 Pin Assignments: TTL Output
CN2 is a 6-pin header as follows:
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.
No.
Name
I/O
Function
1
+5V
-
+5V power supply
2
TTL-OUT1
O
TTL output signal
3
TTL-OUT2
O
TTL output signal
4
TTL-OUT3
O
TTL output signal
5
TTL-OUT4
O
TTL output signal
6
DGND
-
TTL signal ground
Table 2-2: CN2 Pin Assignments: TTL Output