808bits

SEL-3021 Serial Encrypting Transceiver

FIPS 140-2 certificate #565 · Schweitzer Engineering Laboratories, Inc. · data as of 2026-10-09

SEL-3021 Serial Encrypting Transceiver, from Schweitzer Engineering Laboratories, Inc., holds FIPS 140-2 certificate #565 at overall level 2. The validation is historical: agencies may keep the module in existing systems but not buy it new. Below are its validation history, algorithm certificates and security policy, drawn from the NIST CMVP entry.

Historical. RNG SP800-131A Revision 1 Transition. Federal agencies may reference historical validations for existing systems only, not for new procurement.
Caveat: None

Certificate

Certificate number565
StandardFIPS 140-2
Statushistorical
Overall level2
Module typeHardware
EmbodimentMulti-chip standalone
VendorSchweitzer Engineering Laboratories, Inc. · website
Hardware versionsP/N SEL-3021, Version 00004CA8
Firmware versionsSEL-3021-R105-V0-Z002001-D20050701

Module description

Quoted from the NIST CMVP entry for this certificate.

The SEL-3021 Serial Encrypting Transceiver is a bump-in-the-wire encryption device designed to add strong cryptographic security to new serial communications links and to provide an easy and effective security solution for existing serial communications networks. It is designed for use on both point-to-point byte oriented communications links and multidrop SCADA networks.

Approved algorithms (4)

AlgorithmCAVP certificates
AES202
HMAC14
RNG46
SHS279

Validation history

DateTypeLab
2005-08-19InitialUL Verification Services, Inc.

Status timeline

As observed by this tracker's snapshots. NIST publishes no dates for list moves; observation began 2026-08-21, so earlier changes carry no date.

  • 2026-08-21: first observed by this tracker, status historical
  • Validation dates on record: 2005-08-19

Source documents