| CX28331-1x | Single/dual/triple E3/DS3/STS-1 line intrface unit in 80-pin ETQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| CX28331-3x | Single/dual/triple E3/DS3/STS-1 line intrface unit in 100-pin ETQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| CX28332-1x | Single/dual/triple E3/DS3/STS-1 line intrface unit in 80-pin ETQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| CX28332-3x | Single/dual/triple E3/DS3/STS-1 line intrface unit in 100-pin ETQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| CX28333-1x | Single/dual/triple E3/DS3/STS-1 line intrface unit in 80-pin ETQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| CX28333-3x | Single/dual/triple E3/DS3/STS-1 line intrface unit in 100-pin ETQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |