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ZXSDR BS8900 Hardware Manual
�
EMMC
management
�
Input over-voltage and under-voltage measurement and pro-
tection
�
Output over-current protection and load power management.
Principle
The PM comprises power input unit, soft-startup circuit, status
monitoring unit, logic unit,
CPU
, storage, status drive control cir-
cuit, I
2
C interface isolation unit, watchdog circuit and power con-
version unit.
Figure 29
shows the principle of the PM module.
F
IGURE
29 PM M
ODULE
P
RINCIPLE
Measurement
The dimensions of PM module in mm are: 73.8 (H) x 29.0 ( W) x
181.5 (D)
The dimensions of PM module in inches are: 2 14/16 (H) x 1 2/16
( W) x 7 12/16 (D)
Panel
Figure 30
shows the panel of PM module.
32
Confidential and Proprietary Information of ZTE CORPORATION
Содержание CDMA Outdoor Basestation-8900
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