MuxRates

Result: standard mapping

How many STM-64s are in a STM-256?

A STM-256 carries 4 STM-64s, per ITU-T G.707.

4

STM-64s in a STM-256

Working

STM-256 → 4 × STM-64

  1. 4 × STM-64 in each STM-256 ITU-T G.7074 × STM-64.

Leftover capacity

0 bit/s of each STM-256 line rate (39.813120 Gbit/s) sits outside 4 × 9.953280 Gbit/s of STM-64 line rate (39.813120 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.

STM-256 reference · STM-64 reference · Open in the converter