Frequently asked questions

What is SPP?

This profile emulates a serial cable to provide a simple substitute for existing RS-232 connections, including the familiar control signals.

• In a "master" role - the device connects to another device
• In a "slave" role - the device is connected to from another device

Using SPP in a master role

1. Pair with a Bluetooth device which supports SPP.
2. Open My Bluetooth Devices, see Viewing connected Bluetooth devices.
3. Right-click the device and choose Open Services:

   

4. Right-click Serial Port Profile and choose Create Port.

   

5. The serial port is created:

   

   In My Bluetooth Devices the successful SPP link is shown as:

   

   The assigned port number can be found by right-clicking Computer and choosing Manage.

   Click Device Manager and choose Ports (COM & LPT). The paired device will be shown using it's Bluetooth device name.

6. You can now use applications, such as hyperterminal, for sending files over the COM port.

Using SPP in a slave role

1. Pair with a Bluetooth device which supports SPP.
2. From the paired device, initaite an SPP connection.
3. The local device (CSR Harmony) will indicate a device is wanting to use SPP, click to allow.

   In this role, CSR Harmony can accept two simultaneous SPP connections.

4. You can now use applications, such as hyperterminal, for receiving files over the COM port.

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