The figure below shows the available GTX2200 board connector with description:

GTX2200 Front Connectors GC2200 Front Connectors

GC2200/GTX2200 Front DIN-6 Connector Pin numbers
The following are the connector signal for the GTX2200 board:
Pin |
Signal |
BNC 1 |
Input Channel A. |
|
BNC 2 |
Input Channel B. |
|
BNC 3 |
Input Arm Start / Stop TTL signal. |
|
DIN-6 pin 1 |
Arm/Gate Signal Ground. |
|
DIN-6 pin 2 |
Arm/Gate Signal Ground. |
|
DIN-6 pin 3 |
Port 0 digital I/O Connector |
|
DIN-6 pin 4 |
Output Gate TTL signal. |
Output Connectors