PX8IRCU-C814Internal Remote Control Unit

Page 1 of 25 IRCU Internal Remote Control Unit (IRCU) User Manual V1.3 Page 2 of 25 Foreword This user manual describes the basic use of electrical tilt antenna connected to the Internal Remote Control unit (IRCU). Due to different equipment and software upgrade, some description in this manual may differ from the actual use. Information contained in this document is subject to change without prior notice Page 3 of 25 Table of Contents 1.0 Safety Precautions ..................................................................................................................... 4 2.0 Overview .................................................................................................................................... 4 2.1 Main Purpose and Scope of Application .................................................................................... 4 2.2 Model Description...................................................................................................................... 4 2.3 Normal Working Conditions and Environment .......................................................................... 4 2.4 Dimensions and Weight ............................................................................................................. 4 3.0 IRCU Specification ...................................................................................................................... 5 4.0 RET System and Working Principle ............................................................................................ 5 4.1 RET System ................................................................................................................................. 5 4.2 Working Principle ....................................................................................................................... 5 4.3 Two BTS Working Principle ........................................................................................................ 6 5.0 IRCU Installation and Connection ............................................................................................ 12 5.1 Installation Requirements ........................................................................................................ 12 5.1.1 Control Cable Requirements .................................................................................................... 12 5.1.2 Power Supply ........................................................................................................................... 12 5.1.3 Installation Tools ..................................................................................................................... 12 5.2 IRCU Installation ....................................................................................................................... 12 5.2.1 IRCU-302, IRCU-502, IRCU-602 installation steps and methods .............................................. 12 5.2.2 IRCU-C814 installation steps and methods .............................................................................. 14 5.2.3 Connection between IRCU, PCU and Antenna Systems .......................................................... 16 5.3 Mapping of IRCU RET port to Phase Shifter & Scanning Mode ............................................... 17 5.3.1 Mapping of IRCU-302 to Phase Shifter .................................................................................... 19 5.3.2 Mapping of IRCU-502 to Tilt Ruler ........................................................................................... 19 5.3.3 Mapping of IRCU-602 to Tilt Ruler ........................................................................................... 20 5.3.4 Mapping of IRCU-C414 to Tilt Ruler ......................................................................................... 20 5.3.5 Mapping of IRCU-C814 to Tilt Ruler ......................................................................................... 21 5.3.6 Scanning Mode of IRCU ........................................................................................................... 21 5.4 IRCU Control Cable, Lightning Protection and Grounding cables ............................................ 22 5.4.1 Control cable, Lightning Protection and Grounding requirements ......................................... 22 5.4.2 Grounding Kit Installation Procedure ...................................................................................... 24 6 Transportation and Storage ..................................................................................................... 24 6.1 Transportation ......................................................................................................................... 24 6.2 Storage ..................................................................................................................................... 24 Page 4 of 25 1.0 Safety Precautions  Install safety sign onsite to let public know that area is dangerous for public; operating personnel must use Protection Equipment during work.  Pay attention for any high Voltage cable around during installation, be careful and avoid electrical shock.  Make sure Antenna installed in protection angle of the tower Lightning rod.  Grounding Cable must be installed, make sure the grounding resistance lesser than 5Ω. 2.0 Overview 2.1 Main Purpose and Scope of Application IRCU is a controller for electrical tilt enabled antenna to perform remote electrical tilting . It meets AISG2.0 standards, suitable to be use with all Ericsson, Nokia, Huawei, and ZTE AISG 2.0 Base Station. 2.2 Model Description IRCU-C 4 1 4 Quantity of AISG Ports Edition Series Control Internal Remote Control Unit 2.3 Normal Working Conditions and Environment 1. Ambient temperature: -40 °C to +60 °C 2. Power supply: DC +10 V to +30 V 2.4 Dimensions and Weight 1. IRCU outline shown in Figure 1. 53 116 53 116 100 1、操作时注意保护好主板，避免磕碰到元器件。 2、安装透气膜时需带手套用镊子操作，确保安装表面清洁， 3、安装完成后，应放置24小时后才能使用。 4、所有的插件焊脚必需修…

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External photo

Internal photo

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZEM200501243801 Page: 1 of 18 FCC ID: PX8IRCU-C814 Kobe Jian EMC Laboratory Manager TEST REPORT Application No.: GZEM2005012438CR Applicant: Comba Telecom Ltd. Address of Applicant: 611 East Wing, No. 8 Science Park West Avenue, Hong Kong Science Park, Tai Po, Hong Kong Manufacturer: Comba Telecom Systems(China) Ltd. Address of Manufacturer: No.10 Shenzhou Road, Guangzhou Science City, Guangzhou 510663, Guangdong, P.R. China Factory: Comba Telecom Technology(Guangzhou) Ltd. Address of Factory: No.6 Jinbi Road, Economics and Technology Development District, Guangzhou, Guangdong, China Equipment Under Test (EUT): EUT Name: Internal Remote Control Unit FCC ID: PX8IRCU-C814 Model No.: IRCU-C814 Trade Mark: Comba Standard(s) : 47 CFR Part 15, Subpart B Date of Receipt: 2020-05-18 Date of Test: 2020-05-19 to 2020-05-22 Date of Issue: 2020-06-01 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZEM200501243801 Page: 2 of 18 Revision Record Version Chapter Date Modifier Remark 01 2020-06-01 Original Authorized for issue by: Tested By 2020-05-19 to 2020-05-22 Lily_Kuang /Project Engineer Date Checked By 2020-06-01 Ricky_Liu /Reviewer Date SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZEM200501243801 Page: 3 of 18 2 Test Summary Emission Part Item Standard Method Requirement Result Conducted Emissions at Mains Terminals (150kHz-30MHz) 47 CFR Part 15, Subpart B ANSI C63.4 Class B Pass Radiated Emissions (30MHz-1GHz) 47 CFR Part 15, Subpart B ANSI C63.4:2014 Class B Pass Radiated Emissions (above 1GHz) 47 CFR Part 15, Subpart B ANSI C63.4:2014 Class B Pass InternalSource UpperFrequency Below 1.705MHz 30MHz 1.705MHz to 108MHz 1GHz 108MHz to 500MHz 2GHz 500MHz to 1GHz 5GHz Above 1GHz 5th harmonic of the highest frequency or 40GHz, whichever is lower SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZEM200501243801 Page: 4 of 18 3 Contents Page 1 Cover Page ................................................................................................................................................... 1 2 Test Summary .............................................................................................................................................. 3 3 Contents ....................................................................................................................................................... 4 4 General Information .................................................................................................................................... 5 4.1 Details of E.U.T. .................................................................................................................................... 5 4.2 Description of Support Units ................................................................................................................. 5 4.3 Product Description ............................................................................................................................... 5 4.4 Measurement Uncertainty ..................................................................................................................... 5 4.5 Test Location ........................................................................................................................................ 5 4.6 Test Facility ........................................................................................................................................... 6 4.7 Deviation from Standards ..................................................................................................................... 7 4.8 Abnormalities from Standard Conditions .............................................................................................. 7 5 Equipment List ............................................................................................................................................. 8 6 Emission Test Results .............................................................................................................................. 10 6.1 Conducted Emissions at Mains Terminals (150kHz-30MHz) ............................................................. 10 6.1.1 E.U.T. Operation ............................................................................................................................. 10 6.1.2 Test Setup Diagram ........................................................................................................................ 10 6.1.3 Measurement Data ......................................................................................................................... 11 6.2 Radiated Emissions (30MHz-1GHz) ................................................................................................... 13 6.2.1 E.U.T. Operation ............................................................................................................................. 13 6.2.2 Test Setup Diagram ........................................................................................................................ 13 6.2.3 Measurement Data ......................................................................................................................... 14 6.3 Radiated Emissions (above 1GHz) ..................................................................................................... 16 6.3.1 E.U.T. Operation ............................................................................................................................. 16 6.3.2 Test Setup Diagram ........................................................................................................................ 16 6.3.3 Measurement Data ......................................................................…

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Test Setup photo 1.1 Conducted Emissions at Mains Terminals (150kHz-30MHz) Test Setup 1.2 Radiated Emissions (30MHz-1GHz) Test Setup