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HP, Foundry and Ubiquiti copper SFPs fail on a CRS326 (RouterOS 7.7) while the MikroTik S+RJ10 works

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On a CRS326-24G-2S+ with RouterOS 7.7 three third-party 1G RJ45 SFPs failed: an HP 453156-001 (FCLF-8521-3-HP) showed no-link with auto-negotiation: failed, a Foundry E1MG-TX showed no-link with sfp-rx-loss: yes even with manual speed, and a Ubiquiti UF-RJ45-1G also stayed at no-link. Hardware involved: MikroTik CRS326-24G-2S+, HP 453156-001 (FCLF-8521-3-HP), Foundry E1MG-TX, Ubiquiti UF-RJ45-1G, MikroTik S+RJ10.

  • Hardware: MikroTik CRS326-24G-2S+
  • Transceivers: HP 453156-001 (FCLF-8521-3-HP), Foundry E1MG-TX, Ubiquiti UF-RJ45-1G, MikroTik S+RJ10
  • Form factor: SFP, SFP+

Symptoms / messages:

no-link
auto-negotiation: failed
sfp-rx-loss: yes

Comments 1

Accepted answer

The MikroTik S+RJ10 module ordered as a replacement came up with link-ok, auto-negotiation done at 1 Gbps full duplex and correct vendor data in the EEPROM readout.

6 Indiarackpilot49IN Original (English)
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