("[5]: Bottom Slot Installation" on page346)
Step 6
is for top slot installation, when the bottom slot is empty (slots 4 and 6)
("[6]: Top Slot Installation, Bottom Slot Empty" on page347)
Step 7
should be followed for top slot installation, when the bottom slot is occu-
pied by another card (slots 4 and 6)
("[7]: Top Slot Installation, Bottom Slot Occupied" on page349), and
Step 8
is the final step for installation of frequency cards
("[8]: Frequency Output Cards: Wiring" on page351).
iii.
All installation situations include steps 9 and 10.
5.2.2.7 [4]: Slot 1 & 2 Installation
Option cards installed in Slot 1 or Slot 2 sit on top of and are screwed into pre-installed stan-
doffs and plug in to the unit through the included ribbon cable.
Instructions for installing an option card into one of the slots above the CPU board (1 or 2):
a.
Safely power down the SecureSync unit and remove the top cover of the main
chassis (housing). Save the screws.
b.
DANGER! SecureSync does not have an ON/OFF switch. You must
unplug the machine to remove power!
Caution: NEVER install an option card from the rear of the unit,
ALWAYS from the top, after removing the chassis cover.
c.
Unscrew and remove the blank option card plate from the back of the unit (or the
existing option card). Save the screws.
344 SecureSync 2400 User Manual
APPENDIX