Related Manuals for Huawei RRU3908 V1
Summary of Contents for Huawei RRU3908 V1
- Page 1 RRU3908 V1 V100R003 Installation Guide Issue: 02 Date: 2010-07-20 HUAWEI TECHNOLOGIES Co., Ltd.
-
Page 2: Table Of Contents
Installing the Optical Module ………………………………………………………………………… Installing the Corrugated Pipes of AC Power Cable …………………………………………….. Pin Assignment for the Wires of the RRU Alarm Cable (DC) …………………………………… 6. Changes History ……………………………………………………………..………..…………..………. Copyright © Huawei Technologies Co., Ltd. 2010. All rights reserved. -
Page 3: Installation Tools
Installation Tools Hammer drill (with bit 14) ESD gloves Vacuum cleaner Phillips screwdriver Flat-head screwdriver Heat gun (M3~M6) (M3~M6) Rubber hammer Crimping pliers Wire stripper Adjustable wrench Guarded blade utility knife Wire cutter (with the diameter of at least 32 mm) Torque wrench Combination wrench M3~M6... -
Page 4: Installing The Dc Rru
Installing the DC RRU Installation Modes On a U-steel On an angle steel On a wall On a metal pole The following figure describes the specifications for the metal pole, angle steel, and U-steel where the RRU is installed. 60 mm to 114 mm (The recommended value is 80 mm.) 8 0 m m ～... - Page 5 Installing the DC RRU Dimensions and Installation Clearance Recommended Clearance for a Single RRU RRU Dimensions 380 mm 170 mm The recommended installation clearance meets the requirements of the equipment for normal running and OM. When the installation space is sufficient, the recommended installation clearance can be adopted.
- Page 6 Installing the DC RRU Dimensions and Installation Clearance Recommended Horizontal Spacing for Minimum Horizontal Spacing for Two Two RRUs Installed in Parallel RRUs Installed in Parallel ≥300 mm ≥600 mm ≥600 mm 100 mm 400 mm 400 mm Recommended Vertical Spacing for Two Minimum Vertical Spacing for Two RRUs Installed in Parallel RRUs Installed in Parallel...
-
Page 7: Installation Procedure
Installing the DC RRU Installation Procedure Preparing for the Installation Cover plate Attachment plate Auxiliary bracket Dual-nut bolt Main bracket Front Back Main and auxiliary brackets for the RRU... - Page 8 Installing the DC RRU Installing a Single RRU on a Metal Pole 1. Install the main bracket. When installing the main bracket, ensure that the contact piece on the bracket is fixed. 1200 mm～1600 mm You may fit one end of the auxiliary bracket on one dual-nut bolt assembly and then the other end on the other dual-nut bolt assembly during the installation.
- Page 9 Installing the DC RRU Cable List Cable Connector Type Connected to… AISG multi-wire Waterproof DB9 connector Port labeled RET on the RRU cable between the Standard AISG female connector Standard AISG male connector of the AISG RRU and the RCU extension cable or RCU AISG extended Standard AISG male connector...
- Page 10 Installing the DC RRU Installing the RRU Cables 1. Opening the Cover Plate of the RRU Cabling Cavity 2. The Cabling Cavity of the RRU Cable trough for the power cable Cable trough for the optical cable Cable trough for the power cable Reference for making the power cable...
- Page 11 Installing the DC RRU Installing the RRU Cables 3. Cable Connections of RRU Case 2 Case 1 DC RRU alarm cable CPRI optical cable DC RRU power cable PGND cable RRU RF jumper Shielding layer of the power cable Waterproofed alarm cable Do not remove the dustproof cap from the feeder connectors that are not in use.
- Page 12 Installing the DC RRU RRU Cable Installation Scenarios RRU+Wall-Mounted BBU DC RRU power cable LOAD0 CPRI optical cable Shielding layer of DC RRU power cable The DCDU panel must face right side and the BBU panel must face downwards. When connecting the DC RRU power cable to the DCDU-03B, you must add an OT terminal to the shielding layer.
- Page 13 Installing the DC RRU RRU Cable Installation Scenarios RRU+PS4890 DC RRU power cable CPRI optical cable LOAD0 Shielding layer of DC RRU power cable When connecting the DC RRU power cable to the DCDU-03B, you must add an OT terminal to the shielding layer.
- Page 14 Installing the DC RRU RRU Cable Installation Scenarios 220 V AC input (4815 installed in the OMB cabinet). Grounding the shielding layer of the power cable: Metal Shielding layer (25 mm) PGND cable The DC RRU power cable is connected to terminals of the 4815 power system for RRU.
- Page 15 Installing the DC RRU Installing Two RRUs Back-To-Back on a Metal Pole 1. Install an RRU. For details, see page 6 2. Install the main fixture for another RRU. Installing a Single RRU on a Metal Pole. 3. Reinstall the attachment plate and cover plate on the second RRU by interchanging their positions.
-
Page 16: Installing The Rru On A U-Steel
Installing the DC RRU Installing the RRU on a U-Steel Plan view U-steel The procedure for installing the RRU on a U-steel is the same as that on a metal pole. Only one RRU can be installed on a U-steel. Installing the RRU on an Angle Steel Plan view Angle steel... -
Page 17: Installing The Rru On A Wall
Installing the DC RRU Installing the RRU on a Wall 1. Place the auxiliary fixture on the wall at the installation position and then mark the anchor points by using a marking pen. 128 mm Auxiliary bracket 126 mm 126 mm It is recommended that the auxiliary bracket be 1,200 mm to 1,600 mm above the ground. - Page 18 Installing the DC RRU Installing the RRU on a Wall 3. Fit the auxiliary bracket on the expansion 4. Install the main bracket. bolts downward, and then tighten the bolts by using a combination wrench 17 mm. 30N•m Arrows are upwards 5.
- Page 19 Installing the DC RRU Installing the RRU on a Wall 6. Install multiple RRUs. Recommended Clearance : ≥430 mm ≥760 mm ≥760 mm ≥730 mm Minimum Clearance: 230 mm 650 mm 650 mm 530 mm ≥535 mm ≥70 mm ≥70 mm ≥535 mm...
-
Page 20: Cable Connections Of A Single Rru
Installing the DC RRU Cable Connections of a Single RRU DC RRU alarm cable CPRI optical cable Install the PGND cable DC RRU power cable Install the RF jumper RF cable between RFUs (RF cable between RFUs is optional) AISG multi-wire cable between the RRU and the RCU RRU RF jumper Install the DC RRU power cable... -
Page 21: Cable List
Installing the DC RRU Cable List Cable Connector Type Connected to… PGND cable OT terminal ( M6 ) Grounding bolt on the RRU (16 mm²) OT terminal ( M8 ) Nearest grounding bar RRU RF jumper DIN male connector Ports labeled ANT-A and ANT-B on the RRU DIN male connector Feeder or antenna North American standard:... -
Page 22: Installing The Rru Cables
Installing the DC RRU RRU Cable Installation Scenarios RRU+TMC Grounding the shielding layer of the power cable: Metal Shielding layer (25 mm) PGND cable DC RRU power cable CPRI optical cable When connecting the DC RRU power cable to the DCDU-03B, you must add an OT terminal to the shielding layer. -
Page 23: Installing The Ac Rru
Installing the AC RRU Space Requirements 380 mm 250 mm The recommended/minimal clearance for the 485 mm AC RRU/clearance for Two Combined RRUs is the same as that for the DC RRU. For details, see page 4 and page 5. Installation Modes On a U-steel On an angle steel... -
Page 24: Installing The Surge Protection Box (For Outdoor Scenarios)
Installing the AC RRU Installing the Surge Protection Box (for Outdoor Scenarios) Installation of the surge protection box. Dimensions of the surge protection box. 140 mm 75 mm Hoop iron Recommended clearance for the surge Minimal clearance for the surge protection box. - Page 25 Installing the AC RRU Installing the Surge Protection Box (for Outdoor Scenarios) 1. Install the surge protection box on the metal pole. As shown in the figure, unfasten the screw on Installing the surge protection the loop iron with the torque of 4.8 N•m. box on the wall Lead the loop iron through the opening between the back plate of the surge protection...
- Page 26 Installing the AC RRU Installing the Surge Protection Box (for Outdoor Scenarios) 3. Connect the power cable Lead the external AC power cable through the PG connector labeled IN. The L, N, and PE wires of the power cable are connected to the between the surge protection Lin, Nin, and PE terminals on the surge protection box.
-
Page 27: Cable Connections Of A Single Rru
Installing the AC RRU Cable Connections of a Single RRU AC RRU monitoring signal cable CPRI optical cable DC RRU power cable RF cable between RRUs AISG multi-wire cable between the RRU and the RCU RRU RF jumper Feeder AISG extended cable between the RRU and the RCU PGND cable AC RRU power cable... -
Page 28: List Of Cables (No Surge Protection Box Configured)
Installing the AC RRU List of Cables (No Surge Protection Box Configured) Cable Connector Type Connected to… PGND cable OT terminal (M6) Grounding bolt on the RRU (16 mm²) OT terminal (M8) Nearest grounding bar RRU RF jumper DIN male connector Ports labeled ANT-A and ANT-B on the RRU DIN male connector Feeder or antenna... -
Page 29: List Of Cables (Surge Protection Box Configured)
Installing the AC RRU List of Cables (No Surge Protection Box Configured) Cable Connector Type Connected to… AISG extended Standard AISG male Standard AISG female connector of the AISG multi-wire cable between connector cable the RRU and the Standard AISG female Standard AISG male connector of the RCU connector RF cable... -
Page 30: Installing The Rru Cables
Installing the AC RRU List of Cables (Surge protection box Configured) Cable Connector Type Connected to… Power cable Round connector Port labeled AC IN on the RRU between RRU and OT terminal The Lout, Nout, and PE terminals on the surge protection the surge protection box (1.5 mm²) - Page 31 Installing the AC RRU Installing the RRU Cables The cabling cavity of the AC RRU is the same as that of the DC RRU. The procedures for opening and closing the cover for the cabling cavity of the AC RRU are the same as those for opening and closing the cover for the cabling cavity of the DC RRU.
- Page 32 Installing the AC RRU Installing the RRU Cables CPRI optical cable Power cable between RRU and the surge protection box External AC input power cable Equipotential cable PGND cable for Outdoor Scenarios for Indoor Scenarios External power supply system External power supply system The maximum length of the external AC input power cable is 70 m for the 110 V AC single-phase power cable and 100m for the 220 V AC single-phase power cable.
-
Page 33: Installation Checklist
Installing the AC RRU Installation Checklist 1. The PG connectors labeled IN and OUT on the surge protection box are securely installed and cannot be rotated with the cables. 2. The waterproof gaskets on the door of the cabling cavity of the surge protection box are not stripped or broken. -
Page 34: Powering On The Rru
Powering On the RRU Start Power on the RRU Rectify the fault Check whether the status of the RUN LED is 1s ON, 1s OFF and that of ALM LED is OFF. When the RRU is unpacked, it must be powered on within 24 hours. - Page 35 Appendix Binding the RRU and Installation Components 2. Lifting the RRU and Installation Components to the Tower Pulley Installer A climbs onto the tower. Then, installer Steering rope A fixes the pulley to the support of the tower platform and leads the lifting rope through the pulley.
-
Page 36: Making Ot Terminals By Using A Cable Peeler (Recommended)
Appendix Making OT Terminals by Using a Cable Peeler (Recommended) Add two OT terminals to the end of the power cable connecting to the RRU. -48V DC power cable NEG ( - ) Label for preparing the power cable OT terminals RTN ( + ) Shielding layer Determine lengths of power cables for different... - Page 37 Appendix Adding OT Terminals to the Power Cable on the DCDU side Lead the wires made of the shielding layers through heat- shrinkable tubes. Wrap the PVC insulating tape at the joint where the three OT terminal on wires meet. the shielding layer WARNING...
-
Page 38: Waterproofing Outdoor Cables
Appendix Waterproofing Outdoor Cables The waterproof tape should be wrapped for an extra length of 20 mm away from the connectors at both ends. The tapes should be wrapped around the connector from the lower part to the upper part. When wrapped for another layer, the tapes may not be cut. -
Page 39: Installing The Corrugated Pipes Of Ac Power Cable
Appendix Installing the corrugated pipes of AC power cable After the corrugated pipe is installed, wrap both ends of the power cable with waterproof tapes by referring to the following figure. Wrap the joint spirally upward, downward, and then upward again. That is, the joint is wrapped by three layers of the tape. -
Page 40: Changes History
Changes History This page describes the changes in the RRU3908 V1 Installation Guide. 02 (2010-07-20) This is the first commercial release. Compared with (2010-05-04), the figure of the minimum clearance for RRU are optimized, and the minimum clearance for the RRU installed on a tower requirements is added. - Page 41 HUAWEI TECHNOLOGIES CO., LTD. Huawei Industrial Base Bantian Longgang Shenzhen 518129 People’s Republic of China www.huawei.com...
- Page 42 Installing the DC RRU RRU Cable Installation Scenarios RRU+APM30/APM30H Grounding the shielding layer of the power cable: Metal Shielding layer (25 mm) PGND cable DC RRU power cable CPRI optical cable The DC RRU power cable is connected to one of the LOAD4 to LOAD9 terminals of the PDU. Strip the jacket of the DC RRU power cable for a small part, press the exposed shielding layer on the strap, and then connect the PGND cable on the strap to the nearest grounding bolt on the side in the APM30/APM30H.