Huawei BTS In Telecommunication DFCB EGSM 900 212714006310A9100062

Indicator light

Color

Explain

State

Meaning

RUN

Green

The power indicator light

Lighting

Interrupted communication link.

Slow flash(1s)

Single board has according to the configuration of the running, in working condition.

Light off

No power input, or single board fault working state.

VSWR

Red

TX/RX_ANT port standing wave alarm indication lamp

Lighting

Level 2 standing wave warning.

Slow flash(1s)

Level 1 standing wave warning.

Light off

Stepless standing wave warning.

LNA

Red

Low noise amplifier alarm indication lamp

Lighting

LNA alarm

Slow flash(500ms)

Loading the software version.

Light off

No warning.

TUNING

Red

Tuning failure alarm indication lamp

Lighting

Tuning failure alarm.

Slow flash(1s)

Tuning.

Light off

No warning.

Interface

Type

Description

TX/RX-ANT

7/16DIN female connector

Transceiver antenna interface

·The input interface of RF signal received from the antenna.

·Radio frequency signal output interface TX-DPU port input.

RXD-ANT

7/16DIN female connector

Diversity receiving antenna interface.

DBUS

DB26 female connector

DBUS signal input and output interface.

DC-IN-48V

3V3 Power supply connector

DC power input interface.

COM1

Type N female connector

Combining TX1 and TX2 input and output interface of the carrier signal.

TX-DPU

Type N female connector

The carrier signal diplexer input port, connected with COM1 or COM2.

COM2

Type N female connector

Combining TX3 and TX4 input and output interface of the carrier signal.

TX1

Type N female connector

Carrier signal input interface, connected with the DTRU module of TX1 or TX2.

TX2

TX3

TX4

RX1

SMA female connector

The TX/RX-ANT receives the RF signal output interface, and the DTRU module of RXM1, RXD1, RXM2 or RXD2 connection.

RX2

RX3

RX4

SMA female connector

HL-IN input RF signal output interface, and the DTRU module of RXM1, RXD1, RXM2 or RXD2 connection

·If the HL-IN is connected with RXD-OUT, an output interface diversity the received RF sig