https://service-provider.tp-link.com/uk/gpon/tl-sm7110-sr/
TL-SM7110-SR | 40GBase-SR QSFP+ MPO Transceiver - TP-Link Service Provider
TP-Link's TL-SM7110-SR supports 40GBASE-SR4/QDR application and is compatible with QSFP+ Electrical MSA SFF-8436 enabling high-bandwidth 40G optical links...
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