MuxRates

Result: standard mapping

How many OC-3s are in an OC-768?

An OC-768 carries 256 OC-3s, per Telcordia GR-253.

256

OC-3s in an OC-768

Working

OC-768 → 256 × OC-3

  1. 256 × OC-3 in each OC-768 Telcordia GR-253256 × OC-3. Channelized OC-768 is 768 STS-1s.

Leftover capacity

0 bit/s of each OC-768 line rate (39.813120 Gbit/s) sits outside 256 × 155.520 Mbit/s of OC-3 line rate (39.813120 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.

OC-768 reference · OC-3 reference · Open in the converter