User manual

RN-52-EK-UG
www.rovingnetworks.com Version 1.0 1/27/13 page 9
Advanced Information
FIGURE 1-6: COMMAND MODE ACTIONS IN TERA TERM EMULATOR
5.4 Making a Bluetooth Connection
By default, the Bluetooth adapter acts as a slave and the PC is the master. You connect to the
Bluetooth adapter using your computer’s Bluetooth device manager, which varies depending on
the operating system. Regardless of the operating system, the process is the same: discovery,
pairing, and connecting.
5.4.1 DISCOVERY
When you turn on the RN-52-EK, the blue LED should blink and the adapter should be discov-
erable. Open your PC’s Bluetooth device manager and choose to add a new device. The Blue-
tooth device manager’s icon is located in the bottom right corner of your screen in the taskbar for
Windows and in the upper right corner for Mac OS-X. The Bluetooth device manager displays a
list of discoverable Bluetooth devices. The board displays as RN52-XXXX, where XXXX is the
last 4 digits of the module’s MAC address.
5.4.2 PAIRING
To pair with the evaluation board, double-click the board’s name in the list. The firmware auto-
matically stores up to 8 pairings from remote hosts in a first in, first out fashion.
The default authentication mode is keyboard (no pin code required). When the Bluetooth device
manager completes pairing, it issues a message that the Bluetooth device is installed on COMX
where COMX is unique to your computer. In some cases, the Bluetooth device manager creates
two COM ports; in this situation, only use the COM port labeled “outgoing.”
The evaluation board’s red LED flashes to indicate that the device is connected.
If the remote Bluetooth device does not require authentication, a connection can occur without
the pairing process. However the Bluetooth specification requires that if either device involved in
the pairing process requires authentication, the other device must participate to ensure a secure
link. Roving Networks modules default to an open mode, such that the module does NOT require
authentication. However, most PCs require authentication. See “Security Modes” on page 10 for
more information on using pass keys.
The adapter may use simple secure pairing (SSP) if it is attempting to pair with devices that sup-
port the Bluetooth specification version 2.1 + EDR. SSP does not require the user to remember
the pin code, but it asks to confirm the 6-digit number if the device has a display capability.