The Cisco 74-3597-01 FMEC-E1-8 is an eight-E1-port card module. Identified by part number 74-3597-01 and also known as FMEC-E1-8, it delivers eight E1 interfaces on a single plug-in card. Designed to extend Cisco systems with eight E1 connections, this module is used where multiple E1 lines are required in telecom or voice/data networking setups.
