Huawei BTS3012, buy GSM Base Station In Mobile Communication Huawei BTS3012 DDPU M900-C 21023151771081000730 on China Suppliers Mobile

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GSM Base Station In Mobile Communication Huawei BTS3012 DDPU M900-C 21023151771081000730

[Product Description]

DDPU

· Double density dual duplex unit - DDPU,In the RF front-end system of the DAFU frame, with DCOM mixed interpolation.

· DDPU is a must match module, normally DDPU full configuration is 3 block, 1 block is the minimum configuration. If you do not configure DCOM, DDPU can be equipped with up to 6 pieces.

· Multiple RF signal from transmitter by the diplexer is sent to the antenna.

· The received signal from the antenna amplifier and a four to the receiver in the DTRU.

· Antenna standing wave detection signal output coupling.

· Low noise amplifier control.

· Antenna lightning protection.

DDPU indicator light

Indicator light	Color	Explain	State	Meaning
RUN	Green	Operation and power on indicator	lighting	The power is input, single plate problems.
lighting off	No power input, or single board fault working state.
Slow flash(0.5Hz)	That single board has according to the configuration of the running, in working condition.
Fast flash(2.5Hz)	DTMU is the DDPU sending configuration.
ALM	Red	Alarm indication lamp	Lighting(Contains high frequency flicker)	Alarm status (including standing wave alarm), indicate the existence of fault.
lighting off	No fault.
Slow flash(0.5Hz)	Said single board is to start or load program.
VSWRA	Red	A channel wave alarm indication lamp	lighting	The A channel has a standing wave alarm or severe standing wave warning.
lighting off	A channel without standing wave alarm.
VSWRB	Red	B channel wave alarm indication lamp	lighting	The B channel has a standing wave alarm or severe standing wave warning.
lighting off	B channel without standing wave alarm.

DDPU External interface

Interface	Type	Explain
COM	DB26 female connector	To the DDPU module provides the control signal, communication signal, clock signal and the frame number.
POWER	3V3 power adapter	The power input.
TXA	Type N male connector	TX signal input DTRU transmission, DCOM signal input.
TXB	Type N male connector	TX signal input DTRU transmission, DCOM signal input.
RXA1	SMA female connector	The main set of 1 output port.
RXA2	SMA female connector	The main set of 2 output port.
RXA3	SMA female connector	The main set of 3 output port.
RXA4	SMA female connector	The main set of 4 output port.
RXB1	SMA female connector	Diversity of 1 output port.
RXB2	SMA female connector	Diversity of 2 output port.
RXB3	SMA female connector