| Name | Description | Line Interface | Protocols | Trans Interface | Pwr Sup | Pkgs |
| XRT91L30 | STS-12/STM-4 OR STS-3/STM-1 SONET/SDH Transceiver | OC-12/OC-3 | SONET/SDH | 8-Bit TTL | 3.3V | PQFP-64 |
| XRT91L31 | STS-12/STM-4 or STS-3/STM-1 SONET/SDH Transceiver | OC-12/OC-3 | SONET/SDH | 8-Bit TTL | 3.3V | PQFP-64 |
| XRT91L32 | STS-12/STM-4 or STS-3/STM-1 SONET/SDH Transceiver | OC-12/OC-3 | SONET/SDH | 8-Bit TTL | 3.3V | QFP-100 |
| XRT91L33 | STS-12/STS-3 Multirate Clock and Data Recovery Unit | OC-12/3 STM-4/1 | SONET/SDH | LVDS | 3.3V | TSSOP-20 |
| XRT91L33A | STS-12/STS-3 Multirate Clock and Data Recovery Unit | OC-12/3 STM-4/1 | SONET/SDH | LVDS | 3.3V | TSSOP-20 |
| XRT91L34 | Quad Channel Multirate STS-12/3/1 and STM-4/1/0 SONET/SDH CDR | OC-12/3/1 STM-4/1/0 | SONET/SDH | 8-Bit TTL | 3.3V/1.8V | LQFP-128 |
| Name | Description | Line Interface | Protocols | Bus I/F | Pwr Sup | Pkgs | |
| System | |||||||
| Bus I/F | |||||||
| XRT86SH328 | Integrated 28-Channel T1/E1 LIU/Framer, VT/TU Mapper and M13 Multiplexer | DS1/E1 1x STS-1/STS-3 1xSTM-0/STM-1 | SONET/SDH | 19.44/6.98MHz Telecom | n/a | 3.3V/1.8V | BGA-568 |
| XRT94L31 | 3-Channel DS3/E3/STS-1 to STS-3/STM-1 Mapper | DS3/E3 STS-1/ STS-3 STM-1 | SONET/SDH | n/a | n/a | 3.3V | TBGA-504 |
| XRT94L33 | Multi-Channel, Multi-Function Device Aggregates 3 DS3/E3/STS-1 into OC3/STM-1 | 1xSTS-3 1xSTM-1 3xDS3/E3/STS-1 | SONET/SDH ATM, PPP | 8-Bit, 77.76MHz | Utopia/POS PHY | 3.3V | PBGA-504 |
| XRT94L43 | SONET/SDH STS-12/STM-4 to E3/DS3/STS-1 Mapper/Demapper | 1xSTS-12 4xSTS-3 | n/a | 8-Bit, 77.76MHz | n/a | 2.5V | PBGA-516 |
| Name | Description | Line Interface | Protocols | Trans Interface | Pwr Sup | Pkgs | |
| System | |||||||
| Bus I/F | |||||||
| PEB2756AE | Tethysâ„¢ II 4x10G SONET/SDH Framer and Pointer Processor | 4xOC192 | SONET/SDH | SFI-4.1 SFI-4.2 | 2.5G TFI | 3.3V/1.2V | CBGA-1397 |
| PEB2757AE | Tethysâ„¢ II 4x10G, 16x2.5G/622M/155M SONET/SDH Framer and Pointer Processor | 4xOC192 16xOC48/12/3 | SONET/SDH | SFI-4.1 SFI-4.2 Serial 2.5G/ 622M/155M | 2.5G TFI | 3.3V/1.2V | CBGA-1397 |
