Spectracom SecureSync 1200 User Reference Manual page 355

Figure 5-4:
d.
Insert option card into the slot, lining up the screw holes on the card with the standoffs.
e.
Using the supplied M3 screws, screw the board into the standoffs, and the option card
plate into the chassis, applying a torque of 0.9 Nm/8.9 in-lbs.
f.
Take the supplied 50-pin ribbon cable and carefully press it into the connector on the
mainboard (lining up the red sided end of the cable with PIN 1 on the mainboard), then
into the connector on the option card (see Figure below).
Figure 5-5:
SecureSync User Reference Guide
Washers & standoffs secured to chassis screw holes
Ribbon cable installation
APPENDIX
339