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BCM 50 R3 issue - From Nortel web site.

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foneman1

Technical User
Apr 26, 2008
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BULLETIN ID: 2009009889, Rev 1
PUBLISHED: 2009-11-30
STATUS: Active
REGION: APAC
CALA
EMEA
GC
NA
PRIORITY: Major
TYPE: Bulletin
Background:
Nortel* has identified an issue with recently manufactued BCM50 Rls.3.0 units. The affected units have a manufacturing
defect which will cause the units to fail within days after installation. Affected BCM50 units can be identified through PEC
code, Serial Number and manufacturing date. Nortel is asking its Channel Partners not to install the affected units and
return them through the appropriate process.
Analysis:
Nortel has recently discovered that new BCM50 Rls. 3.0 units are failing after being put into operation due to a
manufacturing issue. The manufacturing issue will create a short on the main board which will make the affected unit
unusable. Failed units cannot be repaired in the field. This defect does not create a safety hazard.
Affected BCM50 units will fail completely, this means the unit and all phones will go out of service. The two status LEDs
will be solid amber and do not change. It will not help to power cycle the units or replace the hard drive.
Nortel has been able to determine which BCM50 R3 units are affected by the issue. Only BCM50 Rls. 3.0 units
(NT9T6502E5 and any bundles containing this code) manufactured between October 24th, 2009 and November 26th,
2009 are affected.
Affected units can be identified through their part number, serial number and manufacturing date.
The unit is affected by this manufacturing issue only if all three conditions below are met:
* PEC Code: NT9T6502E5 - BCM50 3.0
(this code might have been shipped as part of a marketing bundle, please refer to the list of marketing bundles below)
Other BCM50 models (i.e. BRI version or Router versions) are NOT affected by this issue.
* The Serial numbers starts with NNTMENxxxxxx
If the Serial Number starts with NNTMHDxxxxxx the unit is not affected.
* Manufacturing Date: The unit has a manufacturing date between October 24th and November 26th, 2009
For units manufactured on Nov 27th or later the manufacturing process has been corrected and units are not affected.
 
believe it or not I had one fail, as it states, right before the bulletin. The replacement I received from Nortel turned out to be apart of the bulletin....go figure.
 
Hi All, with regard to the manufacturing fault on bcm50 which causes short circuit, does anyone know where the short circuit occurs(ie which part of PCB)
Thanks.
 
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