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专业维护 为客户创造理想价值 PowerPoint PPT Presentation


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专业维护 为客户创造理想价值. 直放站 培训资料. 索引 直放站系统 直放站故障现象 直放站故障的原因分析 直放站故障的检修方法 直放站统一监控系统 直放站监控异常的原因分析 直放站告警定义及处理方法. 直放站是基站( BS )与移动台( MS )之间的中继转发器,属于同频放大设备,是指在无线通信传输过程中起到信号增强的一种无线电发射中转设备。直放站的基本功能就是一个射频信号功率增强器。

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7080991


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BSMS


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MS

()


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MS


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7080991

  • GSM

  • R-9110AC/BC/ASRS-2110B/C-C2RS-2180B/C-C2R-1810AC/BC


7080991

fpx

-30dB Test

DT

MT

-20dB Test

fpx

GSM MODEM

R-9110AC


7080991

    • BCCHBCCH6dBm

    • BCCH20dBm

    • 7/28/65/82/90592


7080991

  • GSMGSM

  • R-9122AC/AS/BCRS-2122 R-1822AC/BC


7080991

3dB

-30dB Test

DT

MT

-20dB

-20dB Test

3dB

GSM MODEM

AC220V

R-9122AC


7080991

    • 3/13/37/65/843/13/37/65/84


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  • :

  • M-4000A/B-C2M-4180B-C2


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DT

DT

MT

RS-485

26V/9V/5V

GSM MODEM

AC220V

M-4000B-C2


7080991

    • 5dBm


7080991

  • RA-1000A-LD/LWRA-1000AW-RRA-1800A-LD/LWRA-1800AW-R


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-15dB

FSK

E/O

O/E

FSK

ANT

-15dB

E/O

TEST

O/E

AC220V

RA-1000AW-R

AC220V

DC-48V

RA-1000A-LD

GSM MODEM


7080991

    • ANT0dBm

    • -6dBm

    • -6dBm

    • 20


7080991

  • S-9180H/M-LD/LW S-9180H/M-R


7080991

S-9180M-LD

S-9180M-R

S-9180M-LW


7080991

    • 2~3(-70dBm)

    • /13/28/45/73520/530/540/550520/530/540/55013/28/45/73


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    • 10

    • 80W17.1V4.65A

    • 22534.2V23.25A

    • 12

    • 2V/600AH/


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  • 534.2V1%PV1PV2PV1PV2


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    • 24V

    • 55W2.3A

    • 600AH57

    • 22.20.1V

    • 24.60.1V

    • 1


7080991


7080991


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    • TA20


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    • Site master1.5

    • Site master1.5


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    • ALC

    • 8/23/45/62/81/90185908/23/45/81/9062


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  • 1

  • 2TCH

  • 3


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7080991


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    • MODEM

    • ISMG

    • /


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    • MODEM


7080991

MODEM

COM1

COM2

Modem1

Modem2

GSM

ModemPC


7080991

COM1

MODEM

COM2

Modem1

Modem2

GSM

ModemPC


7080991

GSM

PC


7080991


7080991


7080991

    • RS-232RS-232

    • ModemModem


7080991

  • MODEMMODEM

  • MODEM

  • MODEM

  • MODEM

  • MODEM

  • MODEM


7080991

    • Modem

    • Modem Modem

    • Modem


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  • SIM

    a

    b/

    c/

    d

    e

    f


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    • SIM

    • 6

    • Modem

    • Modem-50dBm -80dBm


7080991

    • GZ0001gz0001GZ0002

      13010001/FF13010002/FF13010001/FE

    • SIM

    • /


7080991

    • OMCOMC


7080991

    • GSM

    • SIM


7080991

    • SIMSIM

    • OMC13829454491

    • SIMSIM+8613800200500

    • Modem Modem


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7080991

    • 23.4V0.3V


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  • /

    • /


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  • //


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    • 2.0


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    • Modem


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