| Nr. | Part Name | Description | Manufacturer by |
| 1037201 | XRT75L06D | Six-Channel DS3/E3/STS-1 Line Interface Unit with SONET Desynchronizer | Exar |
| 1037202 | XRT75R03 | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology | Exar |
| 1037203 | XRT75R03D | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology | Exar |
| 1037204 | XRT75R06 | Six Channel DS3/E3 Line Interface Unit (LIU) with Jitter Attenuator with R3 Technology | Exar |
| 1037205 | XRT75R06D | Six Channel DS3/E3 Line Interface Unit (LIU) with Jitter Attenuator, SONET Desynchronizer and R3 Technology | Exar |
| 1037206 | XRT75R12 | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology | Exar |
| 1037207 | XRT75R12D | Multi-Channel Line Interface Unit (LIU) Family Desynchronizer and Jitter Attenuator with R<sup>3</sup> Technology | Exar |
| 1037208 | XRT75VL00 | E3/DS3/STS-1 Line Interface Unit with Jitter Attenuator | Exar |
| 1037209 | XRT75VL00D | E3/DS3/STS-1 Line Interface Unit with SONET Desynchronizer | Exar |
| 1037210 | XRT79L71 | One Channel DS3/E3 ATM UNI/PPP | Exar |
| 1037211 | XRT8000 | WAN Clock | Exar |
| 1037212 | XRT8001 | WAN Clock | Exar |
| 1037213 | XRT8010 | 350MHz Clock & Crystal Multiplier with LVDS Outputs | Exar |
| 1037214 | XRT8010IL | 312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS | Exar |
| 1037215 | XRT8020 | 650 MHz High-Speed Clock Synthesizer | Exar |
| 1037216 | XRT81L17 | Seven Channel T1 Transceiver with Clock Recovery Unit | Exar |
| 1037217 | XRT81L27 | Seven Channel E1 Line Interface Unit with Clock Recovery | Exar |
| 1037218 | XRT82D20 | Single Channel E1 Line Interface Unit | Exar |
| 1037219 | XRT82L24 | Quad E1 Line Tranceiver with Clock Recovery and Jitter Attenuator | Exar |
| 1037220 | XRT83L30 | Single-Channel T1/E1/J1 Long-Haul, Short-Haul Line Interface Unit | Exar |
| 1037221 | XRT83L314 | Fourteen Channel T1/E1/J1 Long Haul/Short Haul LIU | Exar |
| 1037222 | XRT83L34 | Single-Channel T1/E1/J1 Long-Haul, Short-Haul Line Interface Unit | Exar |
| 1037223 | XRT83L38 | Eight-Channel T1/E1/J1 Long-Haul, Short-Haul Line Interface Unit | Exar |
| 1037224 | XRT83SL28 | Eight-Channel E1 Short-Haul Line Interface Unit | Exar |
| 1037225 | XRT83SL30 | Multi-Channel T1/E1/J1 Line Interface Unit LIU | Exar |
| 1037226 | XRT83SL314 | 14-Channel T1/E1/J1 Line Interface Unit | Exar |
| 1037227 | XRT83SL34 | Multi-Channel T1/E1/J1 Line Interface Unit LIU | Exar |
| 1037228 | XRT83SL38 | Multi-Channel T1/E1/J1 Line Interface Unit LIU | Exar |
| 1037229 | XRT84L38 | Octal T1/E1/J1 Framer | Exar |
| 1037230 | XRT85L61 | BITS (Building Integrated Timing Supply) Clock Extractor | Exar |
| 1037231 | XRT86L30 | Single T1/E1/J1 Framer/LIU Combo | Exar |
| 1037232 | XRT86L34 | Four-Channel T1/E1/J1 Framer and Line Interface Combination | Exar |
| 1037233 | XRT86L38 | Eight-Channel T1/E1/J1 Framer and Line Interface Combination | Exar |
| 1037234 | XRT91L81 | Single Chip, Highly Integrated 2.5 Gbps (OC-48) Transceiver | Exar |
| 1037235 | XRT94L33 | Multi-Channel, Multi-Function Device Aggregates 3 DS3/E3/STS-1 into OC3/STM-1 | Exar |
| 1037236 | XRT94L43 | SONET/SDH STS-12/STM-4 to E3/DS3/STS-1 Mapper/Demapper | Exar |
| 1037237 | XRT95L34 | Multi-Channel, Multi-Function SONET/SDH Framer | Exar |
| 1037238 | XRT95L34IV | OC-12/STM-4/ QUAD OC-3/STM-1 POS/ATM FRAMER WITH INTEGRATED CDRS | Exar |
| 1037239 | XRT95L51 | OC-48 ATM UNI/POS/Mapper IC | Exar |
| 1037240 | XS170 | Multifunction Telecom Switch | Clare Inc |
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