Hello everyone!
At present, many optical transmission engineers are puzzled by the arrangement of E1s in SDH timeslot mode. This time, I will solve your problem thoroughly!

List of E1 serial numbers of mainstream communication vendors:

E1 Time slot comparison between Interleaved & ITU-T/Huawei mode:
Highlighted in green are 21 timeslots that match.

The above information is useful when creating an E1 connection between equipment of different vendors!!!
Thank you!



