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Connecting two 1841's back to back via T1 WICs

Posted on 2009-04-09
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Last Modified: 2012-08-13
Hello,

Is it possible to connect two Cisco 1841's back to back via their RJ45 T1 WICs?  If so, what cable do I use and what config should I use for the serial interface to get them to communicate?

Thanks!
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Question by:networkthug
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wingatesl earned 500 total points
ID: 24112768
Definitely possible Just remeber to set on for clock internal and one for clock line. You will need to use a t1 crossover cable, connect pin 1 to 4, 2 to 5, and 3 to 6.
http://www.cisco.com/en/US/products/hw/routers/ps233/products_tech_note09186a00800a3f09.shtml
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