User's Manual

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