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IS4920-2 / IS4921-2 Bracketed Decode Engine Dimensions
The bracketed decode engine includes two Ø 0.097" [2.464 mm] blind holes for mounting the engine
with self-tapping screws. Two additional M2 x .4 threaded inserts are provided as a secondary mounting
option. The threaded inserts are located on tabs that extend from the sides of the engine's chassis.
A keying location point is provided on the bottom of the engine to assist with alignment.
Warning: The limited warranty (on page 49) is void if the following recommendations are not adhered to when
mounting the engine.
When securing the engine by utilizing the M2 threaded inserts:
• Use M2 x 0.4 Philips Pan Head, Type AB, Steel, Zinc Clear, or equivalent screws.
• Do not exceed 2.5 in-lb [2.88 cm-kg] of torque when securing the engine module to the host.
• Use a minimum mount thickness of 0.3 mm.
• Use safe ESD practices when handling and mounting the engine.
Figure 13. IS4920 / IS4921 Bracketed Decode Engine Dimensions