Asynchronous Transfer Mode (ATM)

Asynchronous Transfer Mode (ATM) is a WAN technology that uses fiber-optic media to support up to 622-Mbps transmissions rates. ATM uses no error checking and has a 53 byte fixed-length cell.

ATM definition in Banking & Finance:

ATM - Automated teller machines through which a bank customer can access his or her deposit account, make loan payments, or obtain information and other services.

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