参数资料
型号: CB-SPA312I-02
厂商: ConnectBlue
文件页数: 18/29页
文件大小: 0K
描述: SERIAL PORT ADAPTER 312I BTOOTH
标准包装: 1
系列: CB-SPA
功能: 收发器,Bluetooth
调制或协议: Bluetooth v2.0,1 类
频率: 2.4GHz
应用: 通用
接口: RS-232
数据传输率 - 最大: 54Mbps
特点: Wireless Multidrop?
电源电压: 4 V ~ 6 V
其它名称: 809-1026
2.3.5 RS485
In the case of RS485, the same pinning as for RS422 is used, except that pins T- and R- must
be connected externally and pins T+ and R+ must be connected externally to produce the
signals T-/R- and T+/R+. For two-wire RS485 multidrop, the following connection setup shall
be used:
Picture 13.
Two-wire RS485 connection setup
2.3.6 Button and LED
If the restore button (see Picture 9) is pressed during power on, the default serial settings as
well as the default escape sequence are restored.
The status LED uses the following color indications.
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Green : The current mode is data mode and no connection attempt is in progress.
Orange : The current mode is AT mode.
Purple : A connection attempt is in progress.
Blue : A connection is currently active.
Blue Blinking : A connection is active and data is transmitted or received over air.
Red Blinking : Buffer overflow, parity or framing error detected on the UART.
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