| Manufacturer | Part # | Datasheet | Description |

Applied Micro Circuits ...
|
S3031B |
244Kb/26P |
E4/STM-1/OC-3 ATM TRANSCEIVER |

PCA ELECTRONICS INC.
|
EPR1624SE |
39Kb/1P |
E4/STM-1 Dual Line Interface Transformer |

Pulse A Technitrol Comp...
|
ST6200T-R |
95Kb/2P |
Dual Line Interface Transformer for E4/STM-1 Applications |

PCA ELECTRONICS INC.
|
EPR1621GE |
25Kb/1P |
E4/STM-1/STS-3/OC-3 Interface Transformer |
| EPR1622SE |
41Kb/1P |
E4/STM-1/STS-3/OC-3 Interface Transformer |

PHOENIX CONTACT
|
1115657 |
1Mb/20P |
Electronic circuit breaker - CAPAROC E4 12-24DC/1-4A May 10, 2022 |
| 1115658 |
1Mb/18P |
Electronic circuit breaker - CAPAROC E4 12-24DC/1-10A May 10, 2022 |

Exar Corporation
|
XRT91L31 |
339Kb/41P |
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER |
| XRT91L31 |
832Kb/41P |
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER |

Finisar Corporation.
|
FTLF1323F2GTR |
217Kb/10P |
OC-3 SR-1/STM I-1 or OC-3 IR-1/STM S-1.1 2x5 SFF Transceiver |

Infineon Technologies A...
|
PEB1760 |
206Kb/2P |
Mapper/Framer for STM-4/STS-12 and STM-1/STS-3 2003-07-01 |

Exar Corporation
|
XRT91L32 |
650Kb/37P |
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER |

Finisar Corporation.
|
FTLF1323F2XTR |
246Kb/10P |
OC-3 SR-1/STM I-1 or OC-3 IR-1/STM S-1.1 2x5 SFF Transceiver |
| FTLF1323S2GTR |
248Kb/11P |
OC-3 SR-1/STM I-1 or OC-3 IR-1/STM S-1.1 2x10 SFF Transceiver |

Exar Corporation
|
XRT91L30_0611 |
694Kb/39P |
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER |
| XRT91L31IQ-F |
832Kb/41P |
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER |
| XRT91L30 |
367Kb/40P |
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER |

Renesas Technology Corp
|
894D115I-01 |
423Kb/17P |
OC-12/STM-4 and OC-3/STM-1 Clock/Data Recovery Device Rev C 2/19/15 |

NXP Semiconductors
|
MC92501 |
236Kb/6P |
OC-3/STM-1 ATM Cell Processor 9/10/98 |

Renesas Technology Corp
|
894D115I-04 |
441Kb/16P |
OC-12/STM-4 AND OC-3/STM-1 Clock/Data Recovery Device January 27, 2016 |