| No. | Part Name | Description |
|---|
| 551 | XRT72L56 | Six-Channel DS3/E3 Framer IC |
| 552 | XRT72L58 | Eight-Channel DS3/E3 Framer IC |
| 553 | XRT72L71 | Single-Chip, Single-Channel ATM UNIs for DS3 ATM |
| 554 | XRT7300 | DS3/E3/STS-1 Line Interface Unit |
| 555 | XRT7302 | 2 Channel E3 |
| 556 | XRT73L00 | E3/DS3/STS-1 Line Interface Unit |
| 557 | XRT73L00A | DS3/E3/STS-1 Line Interface Unit |
| 558 | XRT73L02A | Two Channel DS3/E3/STS-1 Line Interface Unit |
| 559 | XRT73L02M | Two Channel DS3/E3/STS-1 Line Interface Unit |
| 560 | XRT73L03B | Three Channel E3/DS3/STS-1 Line Interface Unit |
| 561 | XRT73L04A | Four-Channel DS3/E3/STS-1 Line Interface Unit |
| 562 | XRT73L04B | Four-Channel DS3/E3/STS-1 Line Interface Unit |
| 563 | XRT73L06 | Six-Channel DS3/E3/STS-1 Line Interface Unit |
| 564 | XRT73LC00 | E3/DS3/STS-1 Line Interface Unit |
| 565 | XRT73LC03A | 3 Channel DS3/E3/STS-1 Line Interface Unit |
| 566 | XRT73LC04A | 4-Channel DS3/E3/STS-1 Line Interface Unit |
| 567 | XRT73R06 | Six Channel DS3/E3 Line Interface Unit (LIU) with R3 Technology |
| 568 | XRT73R12 | Twelve Channel Line Interface Unit |
| 569 | XRT74L73 | Three-Channel, ATM UNI/PPP DS3/E3 Framing Controller |
| 570 | XRT74L74 | Four-Channel, ATM UNI/PPP DS3/E3 Framing Controller |
| 571 | XRT75L00 | Single-Chip Line Interface Unit (LIU) With Jitter Attenuator (JA) for DS3/E3 Environments |
| 572 | XRT75L00D | Single-Chip Desynchronizer and Jitter Attenuator for Mapping/Demapping between SONET/SDH and DS3/E3 Environments |
| 573 | XRT75L02 | Two-Channel E3/DS3/STS-1 Line Interface Unit with Jitter Attenuator |
| 574 | XRT75L02D | Two-Channel E3/DS3/STS-1 Line Interface Unit with SONET Desynchronizer |
| 575 | XRT75L03 | Three-Channel DS3/E3/STS-1 Line Interface Unit with Jitter Attenuator |
| 576 | XRT75L03D | Three-Channel E3/DS3/STS-1 Line Interface Unit with SONET Desynchronizer |
| 577 | XRT75L04 | Four-Channel E3/DS3/STS-1 Line Iinterface Unit with Jitter Attenuator |
| 578 | XRT75L04D | Four-Channel DS3/E3/STS-1 Line Interface Unit with SONET Desynchronizer |
| 579 | XRT75L06 | Six-Channel DS3/E3/STS-1 Line Interface Uniy with Jitter Attenuator |
| 580 | XRT75L06D | Six-Channel DS3/E3/STS-1 Line Interface Unit with SONET Desynchronizer |
| 581 | XRT75R03 | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology |
| 582 | XRT75R03D | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology |
| 583 | XRT75R06 | Six Channel DS3/E3 Line Interface Unit (LIU) with Jitter Attenuator with R3 Technology |
| 584 | XRT75R06D | Six Channel DS3/E3 Line Interface Unit (LIU) with Jitter Attenuator, SONET Desynchronizer and R3 Technology |
| 585 | XRT75R12 | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology |
| 586 | XRT75R12D | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology |
| 587 | XRT75VL00 | E3/DS3/STS-1 Line Interface Unit with Jitter Attenuator |
| 588 | XRT75VL00D | E3/DS3/STS-1 Line Interface Unit with SONET Desynchronizer |
| 589 | XRT79L71 | One Channel DS3/E3 ATM UNI/PPP |
| 590 | XRT8000 | WAN Clock |
| 591 | XRT8001 | WAN Clock |
| 592 | XRT8010 | 350MHz Clock & Crystal Multiplier with LVDS Outputs |
| 593 | XRT8010IL | 312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS |
| 594 | XRT8020 | 650 MHz High-Speed Clock Synthesizer |
| 595 | XRT81L17 | Seven Channel T1 Transceiver with Clock Recovery Unit |
| 596 | XRT81L27 | Seven Channel E1 Line Interface Unit with Clock Recovery |
| 597 | XRT82D20 | Single Channel E1 Line Interface Unit |
| 598 | XRT82L24 | Quad E1 Line Tranceiver with Clock Recovery and Jitter Attenuator |
| 599 | XRT83L30 | Single-Channel T1/E1/J1 Long-Haul, Short-Haul Line Interface Unit |
| 600 | XRT83L314 | Fourteen Channel T1/E1/J1 Long Haul/Short Haul LIU |
| | |
