Chapter 1 — About the SG20B Cordless Scanner
6 SG20B Cordless Scanner + Bluetooth Base Station User’s Guide
Connect the SG20B
The SG20B cordless scanner can be connected to a host either via a
SG20 Base Station or via the host Bluetooth interface (for example an
external Bluetooth USB adapter or an internal Bluetooth controller).
Connect as a System
In the first case, the "SG20B Scanner + SG20 Base Station" unit
works as a single system (it is called "system" throughout this
document). The base station acts as an interface between the scanner
and the host. A system can work only if the scanner is connected to
the base station via Bluetooth and if the base station is properly
powered and connected to the host using the appropriate interface
cables (USB, RS-232 or Keyboard wedge Y-cable). The system can then
be seen as a tethered scanner, except than you can walk freely holding
your scanner in your hand.
For more information on how to connect and configure a SG20B
scanner as a system, see
“Connect the Scanner and Base Station as a
System” on page 27 and “Configure the Scanner and Base Station
as a System” on page 39.
Direct Connection
A scanner is said to be connected to a host in direct connection when
it is connected to the host via a Bluetooth interface such as an
external Bluetooth USB adapter or an internal Bluetooth controller.
For more information on how to connect and configure a SG20B
scanner in direct connection, see
“Connecting the SG20B Scanner
in Direct Connection to a Host” on page 51.
Advantages of a Connection as a System
The advantages of using your scanner as a system as opposed to a
direct connection are the following:
• No need to know the Bluetooth address of the device to which to
connect the scanner and to create a Bluetooth association bar
code,
• No need to fit the host PC with a Bluetooth interface,
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