描述
Foxboro P0973JN是一款高性能工业以太网交换机，专为工业自动化和控制网络设计，支持高可靠性、冗余功能及灵活管理。以下是其核心功能和技术特性的综合分析：
一、堆叠与扩展能力
堆叠配置
-通过前面板RJ45端口支持堆叠连接，需使用5类或更高标准的UTP电缆。支持闭环和菊花链两种堆叠模式，其中闭环配置提供冗余连接，消除单点故障风险。
-最多可堆叠8台交换机，共享单一IP地址，简化网络管理。
端口类型
-提供24个100Base-FX光纤端口（MT-RJ接口）和2个千兆SFP端口，支持铜缆或光纤上行链路扩展，满足不同拓扑需求。
二、冗余与可靠性
电源冗余
-支持外部冗余电源模块（如STK-RPS-150PS或RPSM-P0973BP），当内部电源故障时，冗余电源可无缝接管，确保网络持续运行。
-内部电源和冗余电源可连接至不同交流电路，进一步提升供电稳定性。
生成树协议
-支持STP、RSTP及MSTP，有效管理冗余链路，避免环路并优化网络收敛速度。
三、管理与配置
管理方式
-带内管理：支持Telnet、NetSight管理软件及基于HTTP的WebView界面，适用于简单配置任务。
-带外管理：通过DB9控制台端口连接VT100终端，实现CLI命令行高级管理。
安全特性
-提供VLAN隔离、ACL访问控制、生成树协议保护及链路聚合（LACP），增强网络安全性和数据传输效率。
四、技术规格
性能参数
-交换容量：12.8 Gbps
-吞吐量：9.5 Mpps
-MAC地址表：16K条目
-巨型帧支持：9216字节
标准兼容性
-符合IEEE 802.3/3u/3ab/3z等标准，支持全双工模式及IEEE 802.3x流量控制。
Foxboro P0973JN is a high-performance industrial Ethernet switch designed for industrial automation and control networks,supporting high reliability,redundancy and flexible management.The following is a comprehensive analysis of its core functions and technical features:
1.Stacking and expansion capabilities
Stacking configuration
-Stacking connection is supported through the front panel RJ45 port,and UTP cables of Category 5 or higher standards are required.Supports two stacking modes:closed loop and daisy chain.The closed loop configuration provides redundant connections to eliminate the risk of single point failure.
-Up to 8 switches can be stacked,sharing a single IP address to simplify network management.
Port type
-Provides 24 100Base-FX fiber ports(MT-RJ interface)and 2 Gigabit SFP ports,supporting copper or fiber uplink expansion to meet different topology requirements.
2.Redundancy and reliability
Power redundancy
-Supports external redundant power supply modules(such as STK-RPS-150PS or RPSM-P0973BP).When the internal power supply fails,the redundant power supply can take over seamlessly to ensure continuous operation of the network.
-Internal power supply and redundant power supply can be connected to different AC circuits to further improve power supply stability.
Spanning Tree Protocol
-Supports STP,RSTP and MSTP to effectively manage redundant links,avoid loops and optimize network convergence speed.
III.Management and Configuration
Management Method
-In-band management:supports Telnet,NetSight management software and HTTP-based WebView interface,suitable for simple configuration tasks.
-Out-of-band management:connect VT100 terminal through DB9 console port to realize CLI command line advanced management.
Security Features
-Provide VLAN isolation,ACL access control,spanning tree protocol protection and link aggregation(LACP)to enhance network security and data transmission efficiency.
4.Technical Specifications
Performance Parameters
-Switching capacity:12.8 Gbps
-Throughput:9.5 Mpps
-MAC address table:16K entries
-Jumbo frame support:9216 bytes
Standard Compatibility
-Complies with IEEE 802.3/3u/3ab/3z and other standards,supports full-duplex mode and IEEE 802.3x flow control.
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