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The BCM55040BB1IFSBG is an RF system-on-chip (SoC) chip from Broadcom, which is mainly used in 10G PON (passive optical network) technology to support optical fiber communication and broadband access scenarios. This chip is designed based on the ECAD model and can be adapted to development tools by downloading free libraries. ‌

Core technical characteristics

Supports 10G/10G symmetrical mode (10Gbps for both uplink and downlink)

Supports 10G/1G asymmetric mode (10Gbps downlink, 1Gbps uplink)

Compatibility: Fully compatible with the IEEE 802.3av standard, and supports the customized EPON protocol of China Telecom. At the same time, it can be downward compatible with 1G EPON networks to achieve smooth upgrades.

10Gbps MAC controller + 10G EPON SerDes (serializer/deserializer).

4-port Gigabit Ethernet switch + hardware traffic management engine.

On-chip memory (no external cache required).

QoS Guarantee: Through multi-Logic Link Identifier (LLID) technology, the BCM55040BB1IFSBG enables hybrid transmission of residential, enterprise, and mobile backhaul services without interfering with each other's latency and quality of service.

Mobile backhaul support: BCM55040BB1IFSBG is specifically designed for 4G/LTE base station backhaul, providing timing allocation and guaranteed QoS bandwidth to meet the requirements of time-sensitive data transmission.

Application scenarios

The BCM55040BB1IFSBG is suitable for optical fiber communication network equipment such as optical modules and optical MOdems, and supports a transmission rate of 10Gbps.

Technical parameters

Transmission rate: Downlink 10Gbps, uplink 10G/1G selectable

Integrated modules: 10G MAC + SerDes, 4-port GbE switching, traffic management, on-chip storage

Power consumption/Size: Ultra-low power consumption design, small board area

Compatibility: IEEE 802.3av, China Telecom EPON standard, and 1G EPON coexist

Main applications: FTTB-MDU, FTTH gateway, LTE base station backhaul

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