Huawei MA5833-BS60 Commissioning Manual
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Huawei MA5833-BS60 Commissioning Manual

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MA5833-BS60
Hardware Commissioning Guide
Issue
01
Date
2018-12-12
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei MA5833-BS60

  • Page 1 MA5833-BS60 Hardware Commissioning Guide Issue Date 2018-12-12 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...

  • Page 3: Table Of Contents

    4 Configuring the Output of the RF Ports................... 7 5 Adjusting the Signal Level......................13 6 Configuring Intelligent RF Adjustment................. 16 6.1 Configuring Manual Intelligent RF Adjustment (MA5833-BS60)................16 6.2 Configuring Automatic Intelligent RF Adjustment (DOCSIS 3.1)................23 6.3 Configuration Example (Automatic Adjustment, DOCSIS 3.1).................. 24 6.4 Configuration Example (Manual Adjustment, MA5833-BS60)..................

  • Page 4: Checking Upstream Optical Port Optical Power

    Step 2 If the test result exceeds the preceding range, use an optical attenuator on the OLT side to decrease the input optical power of the MA5833. Step 3 Measure and verify that the input optical power of the MA5833 is within the supported range. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 If the test result exceeds the upper limit of the Rx optical power, optical attenuator can be added on the ONU side to reduce the input optical power of the MA5833. ----End Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 6: Commissioning The Optical Power Of The Optical Receiver

    DC voltage. Obtain the optical power from the following table based on the measured voltage. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 Table 2-1 Input Optical Power V DC (or mW) Recommended or Not (dBm) (Yes/No) 1.58 1.26 0.79 0.63 0.32 0.25 0.16 ----End Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Commissioning The Output Optical Power Of The Optical Transmitter

    DC voltage. Obtain the optical power from the following table based on the measured voltage. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 Step 2 The output optical power ranges from 2 dBm to 4 dBm. If the input optical power is out of this range, replace the optical transmitter. Output Optical Power (dBm) V DC (or mW) 2.51 1.58 ----End Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Configuring The Output Of The Rf Ports

    The MA5833 provides 4 RF output ports, which are logically divided into 2 groups. RF OUT0 and RF OUT1 are in group 0, and RF OUT2 and RF OUT3 are in group 1. Figure 4-1shows the appearance of JUMPER/SPL/TAP-8/TAP-12. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 Primary and Path (Default) (Default) Secondary Paths JUMPER 0.5 dB 4 dB 4 dB 0 dB TAP-8 2 dB 8 dB 6 dB TAP-12 1.5 dB 12 dB 10.5 dB Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 NOTE The level of RF OUT3 is higher than that of RF OUT1. Suggestions on Configuring the MA5833 in Typical Replacement Scenarios Replacing a Fiber Node or Amplifier with the MA5833 Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 13 J2/J3 as 2 JUMPERs to obtain 2 high-level RF output ports. Remotely adjust the values of EQ2 and ATT3, and set the levels of RF output ports to the planned target value. Replacing the MA5633 with the MA5833 Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 J1.) (Note: The MA5633 is installed to replace a fiber node or amplifier on the live network. Based on the network design, the level difference between 2 groups is generally 0, 6, or 10 dB.) Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 Hardware Commissioning Guide 4 Configuring the Output of the RF Ports Remotely adjust the values of EQ2 and ATT3 on the MA5833 and set the RF port levels to the planned target value. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Adjusting The Signal Level

    For details about Configuring Intelligent RF Adjustment , see the "6 Configuring Intelligent Adjustment". After intelligent RF adjustment on the MA5833, the RF indicator on the combiner turns green. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 RF3 channels. value of the test point relative to the RF OUT port. REV TP. Tests levels of upstream signals in RF0 l -20±0.75 dB (using and RF1 channels. jumper) Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 RF OUT port. 12V DC amplifier power supply test point 34V DC amplifier power supply test point 60 V input power test point Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Configuring Intelligent Rf Adjustment

    Only manual adjustment is supported in the upstream direction. You can directly set the attenuation and equalization values in the upstream direction of the frequency mixer. 6.1 Configuring Manual Intelligent RF Adjustment (MA5833-BS60) 6.2 Configuring Automatic Intelligent RF Adjustment (DOCSIS 3.1)
  • Page 20 Table 6-1 Functions of the modules Module Function Description ATT1 Indicates the adjustable attenuator of downstream DOCSIS signals. ATT2 Indicates the adjustable attenuator of downstream CATV signals. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Gain from the Rx to the AMP3 input point + Gain of AMP3 – ATT2 + Gain from the AMP3 output point to the AMP2 input point + Gain of AMP2 + Gain from the AMP2 output point to Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 For details about the calculation method, see AMP2 total amp2_total output power Pamp2_total. l Saturated output power of AMP2 ≈ 66 dBmV Calculation method for the AMP2 total output power P amp2_total Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 RF OUT port is high. To reduce this power, reduce the expected output power of the RF OUT port. NOTE Saturated output power of AMP1 ≈ 72 dBmV Configuring manual adjustment of the downstream output power Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 If a reverse amplifier is installed on a line: Input power of the RF port = Output value of the reverse amplifier – Attenuation from the reverse amplifier to the RF port of the MA5833-BS60 If no reverse amplifier is installed on a line: Input power of the RF port = Tx power of the CM –...
  • Page 25 The attenuation adjustment range is 0–20 dB. The adjustment step is 0.5 dB. Therefore, the attenuation can be set only to an integer multiple of 0.5. Configuring manual adjustment of the upstream output power Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Configuring Automatic Intelligent Rf Adjustment (Docsis 3.1)

    Step 4 Run the cable rf-power downstream command to configure the expected downstream Tx power of an RF port. Step 5 Run the cable rf-powerframeiddownstream catv-docsis-diff command to configure the power difference between the digital CATV channel and DOCSIS 3.0 channel. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Configuration Example (Automatic Adjustment, Docsis 3.1)

    Power difference between the DOCSIS 3.1 channel and DOCSIS 3.0 channel is 4 dB. NOTE The Tx power of the OFDM channel is 36 dBmV. Therefore, the Tx power of the DOCSIS 3.0 channel is 32 dBmv. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 0 downstream index 2 freq-width 6000 frequency 302 type doc-scqam Configure the attenuation of the upstream RF port of the upstream combiner. huawei(config)#cable rf-power 0 upstream group 1 attenuation 2 equalizer 2 huawei(config)#cable rf-power 0 upstream group 2 attenuation 2 equalizer 2 Issue 01 (2018-12-12)

  • Page 29: Configuration Example (Manual Adjustment, Ma5833-Bs60)

    6 Configuring Intelligent RF Adjustment Query the downstream RF transmit power monitoring information of all configured frequencies. huawei(config)#display cable rf-power-monitor 0 downstream status group 1 all huawei(config)#display cable rf-power-monitor 0 downstream status group 2 all 10. Query the downstream RF power adjustment log.
  • Page 30 After the levels of all channels at the AMP2 output point are calculated, calculate the total Lamp2_ch114/10 output power at AMP2 using the following formula: P =10*lgΣ(10 amp2_total Lamp2_ch120/10 Lamp2_ch989/10 ,... 10 ). The result is: P ≈ 68.6 dBmV amp2_total Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Run the cable rf-power frameid downstream command to set the adjustment mode to manual, and configure values of ATT1–ATT3 and EQ1–EQ2. The following table describes the parameters. Parameter Adjustment Item adjust-mode adjust-mode manual docsis--attenuation docsis-attenuation Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Gain from the RF port to the Tx module = 20 dB; ATT4 (or ATT5) = 0; ATT6 (or ATT7) = 0 ATT6 (or ATT7) + 8 = 25 – 10 x lg((85 – 5)/6) + 8 – 35 + 20. Therefore, ATT6 (or ATT7) = –1 dB ≈ 0 dB. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Checking Device Running

    7 Checking Device Running Checking Device Running Indicators on the MA5833 and Indicator Descriptions NOTE After commissioning the MA5833, check indicators on the MA5833 to determine whether the MA5833 is properly working. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 ACT: Blinking or data OLT. (on for 0.25 s status and off for 0.25 indicato s repeatedly) Green l LINK: On The device has registered with an l ACT: On OLT. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 0.25 s repeatedly) receiving data. indicator No data is transmitting or receiving through the port. Channel Green This channel is ROUTE status being used. indicator This channel has ROUTE not been used. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 OUTLEVE Tx power Green Output level on RF status output ports meet indicators configuration of RF requirements. output Output level on RF output ports do not meet configuration requirements. Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 MA5833-BS60 Hardware Commissioning Guide 7 Checking Device Running Indicator Name Color Status Description Green/Red Blinking (Green The device is on for 1 s and red upgrading. on for 1 s) Issue 01 (2018-12-12) Copyright © Huawei Technologies Co., Ltd.

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