Huawei Technologies Co. Ltd AR1220WIFI Manual Do Utilizador
Functions
The 1BST provides one ISDN S/T interface for data access.
The 1BST consists of the following modules:
l
CPU control module: manages the system and loads programs.
l
CPLD logic module: provides the working clock and reset signals for the chip, controls the
service port status, and monitors the board clock.
service port status, and monitors the board clock.
l
ISDN chip module: provides S/T interface access, supports TE mode, and provides parallel
interfaces and serial interfaces.
interfaces and serial interfaces.
l
Power supply module: conducts power from backplane to card.
l
Clock module: provides the working clock for the CPU and working modules.
Applications
The 1BST is installed into the SIC slot of the AR1200, AR2220, AR2240 and AR3260.
Panel and Interfaces
Figure 5-18 Appearance of the 1BST panel
a
2
1
3
Buttons and Indicators on the Panel
describes the buttons and indicators on the 1BST panel.
Table 5-51 Buttons and indicators on the 1BST panel
Number in
Indicator
Color
Description
1
STAT
Green
If the indicator blinks once 2s (0.5
Hz), the system is running properly.
If the indicator blinks once 0.25s (4
Hz), the system is powering on or
restarting.
Hz), the system is running properly.
If the indicator blinks once 0.25s (4
Hz), the system is powering on or
restarting.
Huawei AR1200&2200&3200 Series Enterprise Routers
Hardware Description
Hardware Description
5 Cards
Issue 03 (2012-04-20)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
91