Reminds me of something that happened about 25 years ago when an elementary school visited our data center of the insurance company where I worked. One of our operators strategically positioned himself between the kids and the mainframe, leaned back and hit it's EPO button. Matthew Huff | Director of Technical Operations | OTA Management LLC Office: 914-460-4039 mhuff@ox.com | www.ox.com ........................................................................................................................................... -----Original Message----- From: NANOG <nanog-bounces+mhuff=ox.com@nanog.org> On Behalf Of Sean Donelan Sent: Friday, September 10, 2021 12:38 PM To: nanog@nanog.org Subject: Never push the Big Red Button (New York City subway failure) NEW YORK CITY TRANSIT RAIL CONTROL CENTER POWER OUTAGE ISSUE ON AUGUST 29, 2021 Key Findings September 8, 2021 https://www.governor.ny.gov/sites/default/files/2021-09/WSP_Key_Findings_Sum... Key Findings [...] 3. Based on the electrical equipment log readings and the manufacturer’s official assessment, it was determined that the most likely cause of RCC shutdown was the “Emergency Power Off” button being manually activated. Secondary Findings 1. The “Emergency Power Off” button did not have a protective cover at the time of the shutdown or the following WSP investigation. [...] Mitigation Steps 1. Set up the electrical equipment Control and Communication systems properly to stay active so that personnel can monitor RCC electrical system operations. [...]