View source for ESD protection enhancement how-to

[[Main_Page#Hardware_Topics|Hardware_Topics]] >> [[ESD_protection_enhancement_how-to]]

== Introduction ==
This how-to will guide you step by step to mount the Barix ESD protection enhancement springs.

The application of the springs will enhance the ESD protection by making a better connection between the shielding of the RS-232 connector and the device enclosure (aluminum housing). Note that this does NOT alter the insulation between device shielding and the internal ground (analog / digital signal ground).

The springs can be requested directly from Barix using either this [http://www.barix.com/esdsprings/index.php online form], this [mailto:esdsprings@barix.com?Subject=Request%20for%20ESD%20protection%20enhancement%20springs&body=Dear%20Barix%20Support%0D%0DThis%20is%20a%20request%20for%20participation%20in%20the%20ESD%20protection%20enhancement%20program%20by:%0D%0DCompany_name:%0DFirst_name:%0DLast_name:%0DEmail:%0DPhone_number:%0DShipping_address:%0DComment_remarks:%0D%0D(Please%20fill%20in%20the%20MAC%20address,%20the%20production%20week%20and%20year%20and%20state%20the%20symptom(s).%20Copy%20the%20four%20lines%20for%20each%20additional%20device)%0D%0DProduct:EX100%0DMAC_address:00-08-E1-xx-yy-zz%0DPW:xx/11%0DSymptom:Device_heating,%20Power_Supply_damage%0D%0D email form] or by sending an email to [mailto:esdsprings@barix.com?Subject=Request%20for%20ESD%20protection%20enhancement%20springs esdsprings@barix.com] ([[ESDsamplebodytext|Click here for a sample body text]]).

To enlarge click on any of the photos.

== Step 1: Preparation ==
Unpack the device and the springs. Place the device on the table with the rear plate facing up.

[[Image:ESDpe1.png|200px]][[Image:ESDpe2.png|200px]]


== Step 2: Unscrewing the bolts ==
Use appropriate tools to unscrew the left and right Dsub bolts of the RS-232 connector. 
Place the bolts aside for mounting in the final steps.

[[Image:ESDpe3.png|200px]][[Image:ESDpe4.png|200px]]


== Step 3: Placing the springs ==
Use pliers or a tweezer to place the springs in the slot between the RS-232 connector and the enclosure. 
*The bent part with the screw hole must be placed facing up!
*Place the spring to fit the screw hole for easy mounting of the bolts.
*Production tolerances might prevent you from placing both spring which is ok as long as one spring is touching the enclosure.

[[Image:ESDpe5.png|200px]][[Image:ESDpe6.png|200px]][[Image:ESDpe7.png|200px]]


== Step 4: Screwing back on the bolts  ==
Use appropriate tools to screw back on the left and right Dsub bolts of the RS-232 connector. 

*Place both bolts in loosely before tightening them!
*Tighten both bolts to prevent accidental untightening.

[[Image:ESDpe8.png|200px]][[Image:ESDpe9.png|200px]][[Image:ESDpe10.png|200px]]