[TechEditor] CCSDS 141.0-B-2

[Brian Oliver (CCSDS Support)]

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Brian Oliver, Mar 27, 2026, 5:04 PM EDT

The new Blue Book and updated Silver Book with cover sheet have been posted to the CCSDS Website.
I also have closed the Project in the CWE and set the Book to "Published" in the Tech Editor Tracking System.
Thanks,
Brian

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Stepanova, Natalya (GSFC-580.0)[MCSG Technologies, Inc], Mar 26, 2026, 10:54 AM EDT



Dear Brian,

The attached file (CCSDS 141x0b2.pdf) is an updated version of 141.0-B-2, Non-Coherent Optical Communications Physical Layer (Blue Book, Issue 2, March 2026). It should replace the current file (141x0b1).

You can discard the old file for Optical Communications Physical Layer (141.0-B-1).

Release summary information for the corrigendum is below.



RELEASE SUMMARY INFORMATION:



Document:                      CCSDS 141.0-B-2

Title:                                     Non-Coherent Optical Communications Physical Layer

Document Type:          Recommended Standard

Document Color:        Blue

Issue:                                  2

Issue Date:                      March 2026

Control Number:         {Control Number}

File Name:                       141x0b2.pdf

File Size:                            938 KB

Responsible Area:      SLS

Responsible WG:        Optical Communications



CESG poll CESG-P-2024-11-003: 12/13/2024

CMC approval:  Fall 2025 CMC Meeting



This document supersedes:



– CCSDS 141.0-B-1, Optical Communications Physical Layer (Blue Book, Issue 1, August 2019), which should be removed from Active Publications.

A cover-sheeted version for inclusion in the Historical collection will be supplied shortly.



Document Description:



The CCSDS 141.0-B-2 Recommended Standard defines the physical layer specifications for non-coherent optical communications in space data systems. It details essential technical parameters for optical beacons and optional data transmission, including center frequencies, laser linewidths, signal emissions, and modulation schemes. This document serves as a standardized baseline to ensure reliable performance and interoperability across space-based optical communication networks.



Sincerely,

![signature_1975811206](https://scanss.zendesk.com/attachments/token/QAtoThvCb0XNnTQ3TE5iqa8ED/?name=image001.jpg)

![Image](https://scanss.zendesk.com/attachments/token/Gv2W7viXUVjwRI6TNj06bpwq6/?name=image002.png)

**Natalya Stepanova**

**Technical Writer**
Code 582

Contractor, ASRC Federal

NASA Goddard Space Flight Center

M: 361.945.5515

natalya.stepanova at nasa.gov

talyana at gmail.com

Attachment(s):
141x0b2.pdf - https://scanss.zendesk.com/attachments/token/oElNq5YaII188eXiqaq1l0kvI/?name=141x0b2.pdf

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