品牌名称:黑盒子 Black Box IC820A 通用 RS-232 到 RS-422/485 双向转换器,2 个端口,5 年保修 通用 RS-232 RS-422/485 双向 转换器 2 端口 5 年 保修
品牌名称:黑盒子 Black Box IC820A 通用 RS-232 到 RS-422/485 双向转换器,2 个端口,5 年保修 通用 RS-232 RS-422/485 双向 转换器 2 端口 5 年 保修
Black Box IC820A
- Free Shipping
- 1年 保修
- 30天退货
- 碳中和
产品关键特征
- 传输数据高达115kbps或距离可达4000英尺。
- 在点对点或点对多点应用中操作。
- 可以采用2线半双工或4线半双工或全双工。
- 只支持异步(数据引线)。
- 最多可连接32个RS485设备,创建大型多点网络
Black Box
IC820A
- 使您能够选择RS-485 2线半双工模式或RS-485 4线全双工模式。
- 可选择RS-422操作,发送和接收始终可用。
- 自动RS-485驱动器控制,无需为握手信号编写特殊程序即可正常工作。在不传输时,还可从RS-232 TD信号转换为接收器。
- 内置的跳线开关,用于2线或4线操作,无需设置外部跳线。
- 使用四个开关设置操作模式。
- 使用端口电源或外部120VAC/12VDC电源转换。
- 如果两个RS-232输出握手线可用,则无需外部电源。
Return Policy |
Time to Return |
Standard Return Policy |
We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details. |
Replacement Only Return Policy |
Replacement within 30 days of the delivery date. |
Manufacturer Only Return Policy |
Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer. |
Holiday Extended Return Policies |
Extended Holiday Return Policy.Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024. Extended Holiday Replacement-Only Return PolicyQualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024. |