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  • What is the difference between 10G ER and LR?

    In optical networking, the terms "ER" (Extended Range) and "LR" (Long Range) refer to different types of transceivers designed for specific reach capabilities over single-mode fiber. Here are the key differences between 10G ER (10 Gigabit Extended Range) and 10G LR (10 Gigabit Long Range) transceivers:Reach:10G ER (Extended Range): 10G ER transceivers are designed for extended

  • What is the difference between 40G SR4 and CSR4?

    The terms 40G-SR4 (Short Range 4) and 40G-CSR4 (Collaborative Short Range 4) both refer to specific types of optical transceiver modules designed for 40 Gigabit Ethernet (40GbE) connections. While they share similarities, there are some differences in terms of reach and fiber compatibility. Here's a breakdown of the key distinctions:40G-SR4 (Short Range 4):Wavelength: Typically uses four paral

  • What is the speed of QSFP 56?

    The term "QSFP56" refers to a Quad Small Form-Factor Pluggable (QSFP) module with a data rate of 56 gigabits per second (Gbps) per channel or per electrical lane. QSFP56 is designed to support higher data rates compared to its predecessor, QSFP28, and is commonly associated with Ethernet applications, such as 200 Gigabit Ethernet (200GbE) and 400 Gigabit Ethernet (400GbE).Here are some k

  • What is the difference between QSFP56 and QSFP56 DD?

    QSFP56 and QSFP56 DD are both types of transceiver modules used for high-speed data communication, but they differ in their design and capabilities.QSFP56 (Quad Small Form-factor Pluggable 56) is a transceiver module that supports data rates of up to 200 Gbps. It uses a traditional electrical interface and has 8 lanes of 25 Gbps each.QSFP56 DD (Quad Small Form-factor Pluggable 56 Double Density) i

  • Is QSFP+ compatible with SFP28?

    No, QSFP+ (Quad Small Form-Factor Pluggable Plus) and SFP28 (Small Form-Factor Pluggable Plus for 25 Gbps) are not directly compatible due to differences in form factor and electrical specifications. QSFP+ and SFP28 have distinct physical designs and are intended for different data rates, despite both being part of the same SFP+ family.Here are the key differences:Form Factor:QSFP+: QSFP+ has a la