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Does jumper cable used for E1 traffic?

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mtgo3012
Does jumper cable used for E1 traffic?

Hi everyone, when I check some cable jumper I see the parameter E1, so what is meaning for, does this used in E1/T1 traffic?
Example, I see 2 jumper cable of Andrew COmscope with labels below, so why the 3M one not include "E1" parameter?
F1RNA-PDMDR-2M5-E1
F1RNA-PDMDR-3M

Tks a lot