Interlock Defeat

System(s) Affected:
RF

Interlock to be Defeated:
RF room Wifi and Cell signal booster disconnected

Implementation:	Number:
Date: 2024-08-12 Time: 18:23:00	2024-408
Implemented By: Eric Chapman
In Consultation With:

Status: Removed

Estimated Duration:
1 days

Reason for Defeat:
Suspect correlation with RF (IPA) stability. Both Wifi and Cell phone signal booster antenna disconnected. Re-connect when desired/required or if correlation not proven. Skeptical the wifi is causing interference, suspect the cell phone booster more as it was installed in Jan/24.

Number of Yellow Tags:
3

Location of Defeat Tag(s):
RF room wifi LAN connection, RF room cell signal booster connection outside of SA ground level, east wall.

How Was Defeat Implemented?
Where is Defeat Located?:
RF room wifi "SA-RF" ethernet cable and cell signal antenna disconnected locally.

Describe Alternate Protection:
No cell or wifi signal in SAB1 RF room. WIFI hub stored in DCR.

Fault Reports:
17268

Work Permits:

Disables:

Interlock Defeat

Removal:	Number:
Date: 0024-08-12 Time: 22:00:00	2024-408
Removed by: Eric Chapman

Status: Removed

Interlock Verification Method:
Wifi hub and cell amplifier antenna reconnected. No discernible difference in frequency of RF sparks/trips. Still had seven RF trips in 5 hours.

Number of Tags Removed:
3

Comments: