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ADLINK PCI-9820 User Manual

Page 26

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16

Signal Connections

SSI:

The SSI connector is the System Synchronization Interface for syn-

chronizing multiple cards. The pin assignment is described as follows:

Signal Name

Direction

Description

Location

SSI_TIMEBASE Input/Output 60MHz timebase signal through SSI

pin 1

SSI_TRIG1 Input/Output

Trigger signal through SSI

pin 11

SSI_TRIG2 Input/Output

Clocked trigger signal through SSI

pin 9

SSI_START_OP Input/Output

Acquisition start signal in pre-trigger or
middle-trigger mode

pin 7

GND --

Ground

pins 2, 4, 6, 8,
10, 12, 14, 16,
18, 20

NC --

No Connection

pins 3, 13

Reserved Input/Output

Reserved for future use

pins 5, 15, 17,
19

Table 3.1: Signal Locations

Figure 3.1: Location of connectors