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E1 to PABX cable type!

Can some confirm the type of RJ45 cable needed to connect E1 port on router to E1 port on PABX

also has anything change on cisco E1 port over the last few years i.e pinouts?

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Re: E1 to PABX cable type!

Crossover E1/T1 cable - that is NOT ehernet:

https://www.cisco.com/en/US/products/hw/routers/ps233/products_tech_note09186a00800a3f09.shtml

Old routers used DB-15, now is all RJ45.

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