描述
SD-108542、SD-108542-M2、021-900015、95CMS1211-0479是通用电气（GE）公司生产的DCS（分布式控制系统）相关产品，具体为串口CPU模块。以下是其产品详情：
基本信息
品牌：GE/通用电气
型号：SD-108542
产地：美国
技术参数
串口：前面板上有三个独立的串口，其中串口1、2既可供外部设备做串行连接使用，也可以做固件升级使用，第三个串口做以太网站管理器口使用，且所有的串口是隔离的。
其他信息
产品特性：属于模块类产品。
工作电压：88 V
输出频率：66Hz
The SD-108542,SD-108542-M2,021-900015,and 95CMS1211-0479 are DCS(distributed control system)-related products manufactured by General Electric(GE),specifically serial port CPU modules.The following are product details:
Basic Information
Brand:GE/General Electric
Model:SD-108542
Origin:USA
Technical Specifications
Serial Ports:The front panel has three independent serial ports.Serial ports 1 and 2 are used for serial connection of external devices and firmware upgrades,and the third serial port is used as an Ethernet station manager port.All serial ports are isolated.
Other Information
Product Features:This is a module-type product.
Operating Voltage:88 V
Output Frequency:66 Hz
