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Description
Cisco 100G QSFP28 Transceiver Modules Module Type:QSFP 100G ZR4 S Uplink downlink OFDMA: OFDMA based scheduling splits which allows slower fan Uplink downlink OFDMA: OFDMA based scheduling splits the bandwidth into smaller frequency allocations called Resource Units (RUs) The unit includes a SmartSlot Cisco QSFP 100G ER4L S The “4” in QSFP 100G B20U4 I and QSFP 100G B20D4 I refers to the number of transmitters and receivers used by each transceiver
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