Wbs24 Bts; Figure 2.29 Block Diagram Of Wbs24 Bts - Samsung OFFICESERV 7100 Service Manual

2.5.15 WBS24 BTS

The Wireless Base Station of 2.4 GHz(WBS24) BTS is a wireless LAN access point with the system.
2.5.15.1 Block Diagram
The block diagram of the WBS24 BTS is shown in the figure below:
Ethernet
10/100T
RJ-45
Power Jack
RJ-45
-54 V
K/P I/F
RJ-45
2,048 MHz
OSC.
© SAMSUNG Electronics Co., Ltd.
DASL _Int.
Magnetic
Reset
Ethernet_I/F
25 MHz Xtal
AC/DC Adaptor
(Local Power )
AC220/DC+5 V
Voltage
Regulator
SIO
Input : 5 V
RS232C
Output :
3.3 V/1.8 V
DC/DC Power
(Remote)
-54V/+5V, +3.3 V
1.8 V
UART(D_Ch)
DASL
PCM I/F
DASL_Int.
20 MHz Xtal
DSP_Int.
PCMCIA I/F(EPB)
Embedded CPU
(NetARM Core *2)
UART
EPB BUS
SDRAM
Serial
8 bits
BUS
Boot
32 bits
ROM
(512k byte)
SDRAM Flash
16M ROM
byte 4M byte
DSP_Int.(To Hest)
HPI
8 bits
DSP BUS 16bits
HPI 8bits
BUS 16 bits
- Audio Codec
Reset
- Echo Cancellation

Figure 2.29 Block Diagram of WBS24 BTS

OfficeServ 7100 Service Manual
External Antenna
- Diversity
- Gain : 2dBi
3.3 V or 5.0 V
- Dipole
PCMCIA
Power
WLAN NIC
Controller
CARD
(3.3 V/5 V (802.11b)
Auto Switch) MAC/BB/Ext.
Ant.
LED
Control
Reset
Reset Control
SRAM
JTAG Connector
64 K word
CPLD(10pin)
CPU/DSP(14pin)
2-51