What does this module/interface used for?
Cisco 2911/K9 V05 With Cards (See Description) & Console Cable With USB Adapter 882658310539 | eBay
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What does this module/interface used for?
Cisco 2911/K9 V05 With Cards (See Description) & Console Cable With USB Adapter 882658310539 | eBay
The adapter itself, or the module? The adapter lets you install an older NM module into a newer SM slot (only works with some modules).
The EVM-HD allows you to install a bunch of analog lines (FXO and or FXS) determined by the daughter cards installed. The connection is an old school 25-pair amphenol connector which can easily be connected to a 66 style phone punch-down block.