OfficeServ 500 Wireless LAN Service Manual/Ed.00
CHAPTER 3. Installation
© SAMSUNG Electronics Co., Ltd.
Page 1-15
3.4.3 Interface
The WBS24(Basic) consists of wire processing part and wireless processing part.
The wire processing part has a wire interfaces : IEEE 802.3 Ethernet connected to
LAN. The wireless processing part has 2.4 GHz frequency bandwidth of wireless
LAN, which complies with the RF interface based on IEEE 802.11b standard.
Wired Interface Interworking with LAN
The wired Ethernet interface can access to LAN with the 10/100BASE-T port and
send/receive data via Internet, other than voice. The wireless processing part can
send/receive voice data for wireless voice communication, as well as data for
wireless access to Internet. The maximum data transmission speed between wireless
sections is up to 4 to 5 Mbps. One unit of WBS24(Basic) can process simultaneous
calls on 4 channels.
Wireless Interface
The wireless interface uses 2.400 to 2.4835
GHz of wireless frequency bandwidth
and meets the IEEE 802.11
b standard. Voice can be sent and received across the
wireless sections using a voice-specific terminal. The Voice over WLAN
sends/receives the voice packet data, and laptop computers and PDA send/receive the
data packet across the wireless sections. 13 wireless channels are used in Korea and
11 wireless channels are used in the U.S.
The wireless interface occupies 22
MHz of bandwidth per wireless channel and the
interval between center frequencies is 5
MHz. Therefore, to be a clear channel that
does not interfere with other wireless channels, it should be 4 channels away from
other channels. The wireless processing part sends/receives voice data for wireless
voice communication, as well as data for wireless access to Internet. The maximum
data transmission speed between wireless sections is up to 4 to 5
Mbps. One unit of
WBS24(Basic) can process simultaneous calls on 4 channels.
3.4.4 Application
Specifications
The WBS24(Basic) is designed to meet both specifications of wireless type and
electromagnetic compatibility(EMC) as follows :
Type Registration (Domestic Specification)
Among different types of wireless equipment that use radio wave signals, the
following equipment, available to the general public, shall be approved of its type.
The following tests shall be conducted according to the standards of ‘Specific Output
Wireless Equipment for Wireless LAN’.
1) The absolute gain of sending antenna shall be less than 6 dBi. However, the
stationary point-to-point wireless equipment shall be less than 20 dBi.
2) Frequency tolerance shall be less than ±50×0-6.
