7 lsc 1650 connections -15 – Quantum Composers LDDC 1550 User Manual
Page 15

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7 LSC 1650 Connections
The LSC 1650 has additional connections for the q-switch trigger and sync outputs, the external
trigger input, and extra I/O signals. The signal pin outs are as follows:
Q-Switch Trigger Output (SMA Connector)
Number
Name
Type
Description
Range
1
Trigger Output
Output
Q-Switch trigger output
0V = Off
5V = On
2
GND
Ground
Signal Ground
0V
Sync Output (SMA Connector)
Number
Name
Type
Description
Range
1
Sync Output
Output
Sync output
0V = Off
5V = On
2
GND
Ground
Signal Ground
0V
External Trigger Input (SMA Connector)
Number
Name
Type
Description
Range
1
Trigger
Input
Output
External trigger input
0-20V (0.5V trigger
threshold)
2
GND
Ground
Signal Ground
0V
Additional I/O (IDC 20 Pin)
Number
Name
Type
Description
Range
1
Aux 5VDC
Power
Out
Auxiliary +5VDC output
+5V @50ma MAX
2
GND
Ground
Power Ground
0V
3
Q-SW Trig
Output
Q-Switch trigger output
4.2-5VDC @ 25ma
4
GND
Ground
Signal Ground
0V
5
Sync Out
Output
Sync signal output
4.2-5VDC @ 25ma