The cisco telepresence EX90 or the EX Series is an all-in-one tool (LCD monitor) that streamlines the desktop so you can fluidly move from individual work on your laptop, to a quick video call with a colleague, to problem-solving over shared spreadsheets.
the following document shows the product specification REF : http://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/telepresence-system-ex-series/data_sheet_c78-627494.html
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.