High Speed serial versus low speed async/sync serial ports

From: Ccieyet2b@xxxxxxx
Date: Mon Jul 22 2002 - 14:07:52 GMT-3

   
Hi,

I'm looking to acquire a router for use as a frame relay switch for my lab at
home and thinking about getting a Cisco 2520 or Cisco 2521. What's the
difference between those 2 types of serial ports? Will I need to configure
the serial ports differently based on low speed versus high speed? Will the
ports require different types of cables or connectors? And, are these
differences relevant for using the the router as a frame relay switch?

The documentation only says that the low speed serial ports can support up to
115kbps while the high speed serial ports support up to T-1.

I've heard that the cisco 2520 makes for a good frame relay switch but I'm
always concerned about any "Gotcha's" that inevitably are discovered after
the fact.

Thanks, Jim

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