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9.1. REAR-PANEL PORT DESCRIPTIONS
9.1.3 Event/GP1
Figure 9-3: 7-pin female socket pin-numbering guide as viewed end on. Start counting at pin indicated by bold semi-circle and follow the line in an anti-clockwise direction. This socket can be paired with a LEMO multipole male connector of type
0B.
5
6
7
3
4
PIN # Name
1 GPI 1
2 Event A
Event B
Ground nRST_IN
GPI 2
Ground
Comment reserved
First EVENT input
(Max. V
IL
= 1V, Min. V
IH
Second EVENT input
(Max. V
IL
= 1V, Min. V
IH
= 2V, Max. V
IH
= 2V, Max. V
IH
= 24V, 15 K Ω pull-down)
= 24V, 15 K Ω pull-down)
Reset signal 3.3V-LVTTL, 5V TTL input. System is reset if the line is pulled low (<0.6 V) reserved
9.1.4 COM2
Figure 9-4: 9-pin female socket pin-numbering guide as viewed end on. Start counting at pin indicated by bold semi-circle and follow the line in an anti-clockwise direction. This socket can be paired with a LEMO multipole male connector of type
0B.
5
6
7
8
9
3
4
PIN # Name
1
2
RTS2
Ground
5V output
RS232
Not connected
Rx2
Tx2
CTS2
Ground
Comment
Serial COM 2 RTS line
5V DC output (500 mA max.) reserved for future RS422 selection
Serial COM 2 receive line
Serial COM 2 transmit line
Serial COM 2 CTS line
81
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