User Manual
Chapter 2
GFK-2849A
Oct 2019
Installation
18
•
Insert the two provided M3x5 machine screws through the
module’s bottom
bracket into threaded holes in the bottom of the backplane and screw them several
turns using a #1 Phillips screwdriver, but do not tighten.
•
Tighten the heat sink screw to 6 in-lbs (0.7 N m).
•
Tighten the bottom bracket screws.
2.4.3
Module Removal
•
RX3i rack power may be off or on (see section 2.4.4-Hot Insertion & Removal for
relevant warnings).
•
Loosen the heat sink screw on the front of the module to release the heat sink from
the backplane’s aluminum backplate (1).
•
While holding the module firmly, pivot the module upward until its connector is out
of the backplane (2).
•
Lift the module up and away from the backplane to disengage the pivot hook (3).
Figure 13
2.4.4
Hot Insertion and Removal
Modules in a Universal Backplane can be installed or removed while power is applied to the
system. This includes backplane power and field power supplied to the module.
The ECM850 must be properly seated with the latch engaged and all pins connected within
2 seconds. For removal, the module must be completely disengaged within 2 seconds. It is
important that the module not remain partially inserted during the insertion or removal
process. There must be at a minimum of two seconds between the removal and insertion
of modules.
