ADLINK PCIe-9814 - Manual (Page 36)

26 Operations
All SSI signals are routed to the 16-pin connector from
FPGA, enabling multi-module synchronization. ACL-eSSI-2/
ACLeSSI-3/ACL-eSSI-4 cables can be used to synchronize 2, 3,
or 4 modules.
Table 3-5: SSI Signal Location and Pin Definition
3.7.1 Card Number Configuration
When multiple cards are used in a single chassis, card number
configuration via switch, as shown.
SSI Timing Signal Function
SSI Trig Input/output trigger signal through SSI
Signal Direction Descr. Pin
SSI Trig Input/Output
Trigger signal through
SSI
1, 9,
11, 13,
15
GND Ground
2, 4, 6,
8, 10,
12, 14,
16
Reserved Input/Output Reserved for future use 3, 5,7