RRU3808 V200 Installation Guide Issue: 04 Date:2010-03-05 HUAWEI TECHNOLOGIES Co., Ltd.
Contents Safety Information …………………………………………….….…… 2 Installation Tools ………………………………………….………….. 3 Space Requirements …………………………………….……..……. 4 Installation Modes ……………………………………………………. 5 Installation Procedure …………………………………….…………. 7 Components Delivered with the RRU …………………………….. 7 Installing the RRU on a Metal Pole ………………..………………. 8 Installing the RRU on a U-Steel ……………….……….………….. 12 Installing the RRU on an Angle Steel …………………………….. 12 Installing the RRU on a Wall ………………………………………..
Safety Information Following All Safety Precautions Before any operation, read the instructions and precautions in this document carefully to minimize the possibility of accidents. The Danger, Caution, and Note items in the documents do not cover all the safety precautions that must be followed. They only provide the generic safety precautions for operations.
Installation Tools Hammer drill (with bit 14) Heat gun ESD gloves Vacuum cleaner Phillips screwdriver Flat-head screwdriver (M3~M6) (M3~M6) Knife Claw hammer Torque socket Wire stripper Adjustable wrench Power cable crimping pliers Wire cutter (with the diameter of at laest 32 mm) Torque wrench Combination wrench Level Torque screwdriver (21mm~21mm) for pole installation (17mm~17mm) for wall installation Marking pen Multimeter (with the diameter of no more than 10 mm) 3 Measuring tape
Installation Options On a metal pole On a U-steel On an angle steel On a wall 30 mm to 50 mm 60 mm to 114 mm 63 mm to 75 mm The following figure describes the specifications for the metal pole, angle steel, and U-steel where the RRU is installed.
Dimensions and Installation Clearance a Dimensions of the RRU 285 mm 170 mm 485 mm b c Recommended Clearance for a Single RRU Minimum Clearance for a Single RRU 200 mm ≥300 mm ≥ 30 0m 10 0m m m 00 ≥8 m 0m 60 ≥6 00 mm ≥500 mm d m 40 0m m 300 mm e Recommended Clearance for Multiple Centralized RRUs Minimum Clearance for Multiple Centralized RRUs 200 mm ≥300 mm m 00 5 ≥ m 0m 30 ≥ 80 0m m mm 00 5 ≥ m 60 0m m mm 300 300 mm ≥500 mm 5 m
Dimensions and Installation Clearance f ≥300 mm h g Recommended Horizontal Spacing for Two RRUs Installed in Parallel ≥600 mm ≥600 mm 100 mm i Recommended Vertical Spacing for Two RRUs Installed in Parallel Minimum Horizontal Spacing for Two RRUs Installed in Parallel 400 mm Minimum Vertical Spacing for Two RRUs Installed in Parallel ≥300 mm 200 mm ≥500 mm 300 mm ≥500 mm 300 mm 6 400 mm
Installation Procedure Preparing the Installation Cover plate Attachment plate Auxiliary bracket Dual-nut bolt Main bracket Front Main and auxiliary brackets for the RRU 7 Back
Installing the RRU on a Metal Pole a 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 Contact piece 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. 2. Use an adjustable wrench to tighten the nut until the fastening torque is 40 N·m.
Installing the RRU on a Metal Pole b Installing Two RRUs Back-To-Back on a Metal Pole 1. Install an RRU. For details, see page 8 Installing a Single RRU on a Metal Pole. 2. Install the main fixture for another RRU. 3. Reinstall the attachment plate and cover plate on the second RRU by interchanging their positions. M6X16 4.8N•m 4. Install the second RRU on the main bracket.
Installing the RRU on a Metal Pole c Installing Multiple RRUs in Centralized Mode 1. Install the main fixture and the auxiliary fixture. For details, see page 8 Installing a Single RRU in Ordinary Mode. 2. Relocate the attachment plate. M6X16 4.8N•m 3. Fit the tabs on the attachment plate of the RRU into the anchor slots on the main fixture. 4. Install the second main fixture. 5. Fit the tabs on the attachment plate of the second RRU into the anchor slots on the second main fixture. 6.
Installing the RRU on a Metal Pole c Installing Multiple RRUs in Centralized Mode 7. Install the fourth main fixture. 8. Fit the tabs on the attachment plate of the fourth RRU into the anchor slots on the fourth main fixture. 9. Four RRUs installed in centralized mode. 11 10. Six RRUs installed in centralized mode.
Installing the RRU on a U-Steel Plan view U-steel z The procedure for installing the RRU on a U-steel is the same as that for installing the RRU on a metal pole. z It is recommended that only one RRU be installed on a U-steel. Installing the RRU on an Angle Steel Plan view Angle steel zThe procedure for installing the RRU on an angle steel is the same as that for installing the RRU on a metal pole. z It is recommended that only one RRU be installed on an angle steel.
Installing the RRU on a Wall 1. Place the auxiliary bracket at the installation position. Use a level to check that the auxiliary bracket is placed horizontally. Then, mark the anchor points by using a marking pen. ≥600 mm ≥600 mm 128 mm Level 79 mm 79 mm 1200 mm to 1600 mm RRU z It is recommended that the auxiliary bracket be 1,200 mm to 1,600 mm above the ground. z The RRUs cannot installed on a wall in centralized mode. Therefore, expansion bolt assemblies should be prepared for each RRU. 2.
Installing the RRU on a Wall 3. Fit the auxiliary bracket on the expansion bolts downward, and then tighten the bolts by using a combination wrench 17 mm. M10 30N•m Arrows are upwards 5. Install the RRU. 14 4. Install the main bracket.
Installing the RRU on a Wall 6. Install multiple RRUs. Recommended Clearance : ≥760 mm ≥70 mm ≥70 mm ≥760 mm Minimum Clearance: 560 mm 560 mm Installing the RRU Cables a RRU Cable Connections Cable List Cable PGND cable （16mm2 ) RRU RF jumper Connector Type Connector to… OT terminal（M6) Grounding bolt on the RRU OT terminal（M8) Nearest grounding bar DIN male connector Ports labeled ANT_TX/RXA and ANT_TX/RXB on the RRU (Only the ANT_TX/RXA port supports the OOK signal).
Installing the RRU Cables a RRU Cable Connections Single RRU PGND cable RRU RF jumper DC RRU power cable Antenna z When the length of the AISG multi-wire cable is not enough, you can choose the optional AISG extension cable. z If the coaxial cable is used for the RET antenna when the STMA or Smart Bias-Tee (SBT) is used, the OOK signals are required. Therefore, the RET control signal cable needs to be connected to the ANT_TX/RXA port.
Installing the RRU Cables b c Opening the Cover Plate of the RRU Cabling Cavity Cabling Cavity of the RRU Cable troughs for power cables Cable troughs for optical cables Cable troughs for power cables M4 Cover plate of the cabling cavity Cabling cavity cable clip Label for preparing the power cable d Waterproofing filler Cable Connections on the RRU z Use the power cable clip to press the shielding layer tightly and ensure that the lower part of the shielding layer does not exceed the position sh
Installing the RRU Cables e Closing the Cover Plate of the RRU Cabling Cavity M4 z The screws on the cover plate should be tightened until the fastening torque is 1.4 N·m. z Tighten the screws on the cover plate of the cabling cavity in the sequence shown in the figure. 1.4N•m f RRU+APM30/APM30H (Ver.
Installing the RRU Cables g RRU+APM30(+24V) / APM30H(Ver.B, +24V) Grounding the shielding layer of the power cable: Metal Shielding layer (25 mm) PGND cable DC RRU power cable CPRI optical cable LOAD0 z 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. z The DC RRU power cable is connected to one of the LOAD0 to LOAD5 terminals of the DCDU-03B.
Installing the RRU Cables h RRU+APM30H (Ver.B) Grounding the shielding layer of the power cable: Metal Shielding layer (25 mm) PGND cable DC RRU power cable CPRI optical cable RRU0 z The DC RRU power cable is connected to one of the RRU0 to RRU5 terminals of the PDU. z 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 APM30H(Ver.B).
Installing the RRU Cables i RRU+TMC Grounding the shielding layer of the power cable: Metal Shielding layer (25 mm) PGND cable DC RRU power cable CPRI optical cable LOAD0 The DC RRU power cable is connected to one of the LOAD0 to LOAD5 terminals of the DCDU-03B.
Installing the RRU Cables j RRU+TMC11H(Ver.A) / TMC11H(Ver.B) Grounding the shielding layer of the power cable: Metal Shielding layer (25 mm) PGND cable DC RRU power cable CPRI optical cable LOAD0 The DC RRU power cable is connected to one of the LOAD0 to LOAD5 terminals of the DCDU-03B.
Installing the RRU Cables k RRU+BBU Installed Against the Wall DC RRU power cable CPRI optical cable DCDU panel facing the side, and the BBU panel facing downward LOAD0 shielding layer z When connecting the DC RRU power cable to the DCDU-03B you must add an OT terminal to the shielding layer. Then, fix the OT terminal to the corresponding GND terminal of the DCDU-03B. For details on how to add an OT terminal, see page 27 Adding OT Terminals to the Shielding Layer of the DC RRU Power Cable.
RRU Hardware Installation Checklist No. Items 1 The position for each equipment conforms to the engineering design and meets the space requirement. Sufficient space is reserved for equipment maintenance. 2 The RRU is properly installed. 3 The cover plate is fastened to the RRU cabling cavity. 4 Waterproof check: The empty cable troughs in the cabling cavity of the RRU are waterproofed. The cover plate is tightly buckled on the cabling cavity of the RRU.
Appendix a Binding the RRU and Installation Components 1. Bind the RRU by leading the lifting rope along the lower part of the adapting piece and through the handle, bind the main and auxiliary brackets with the lifting rope, and then bind the steering rope with the handle of the RRU, as shown in the following figures. Lifting rope Steering rope Lower part of the adapting piece z When lifting the RRU and installation components to the tower, prevent the RRU from colliding with the tower.
Appendix b Adding OT Terminals by Using a Wire Stripper (Recommended) Adding the OT terminals to the power cable involves adding OT terminals to the DC RRU power cable and adding OT terminals to the shielding layer of the DC RRU power cable. Label for preparing the power cable -48V DC power cable -48V DC power wire OT terminals Shielding layer GND wire Determine lengths of power cables for different operations according to the scales on the inner side of the cover plate of the cabling cavity.
Appendix c Adding OT Terminals to the Shielding Layer of the DC RRU Power Cable Lead the wires made of the shielding layers through heatshrinkable tubes. Wrap the PVC insulating tape at the joint where the three wires meet. WARNING Do not damage the shielding layer of the power cable when cutting around the jacket.
Appendix d Waterproofing Outdoor Cables z The waterproof tape should be wrapped for an extra length of 20 mm away from the connectors at both ends. z 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. z When wrapping the waterproof tape, apply even force to extend the tape until the width of the tape is 1/2 of the original width.
Appendix f Pin Assignment of the RRU AISG Extension cable Pin of the AISG male connector Pin of the AISG female connector Wire Color Wire Type Instruction X1.1 X2.1 White/blue Twisted pair +12V Twisted pair DC Return A Twisted pair RS485 B Blue X1.7 X2.7 White/orange Orange X1.3 X2.3 White/green X1.5 X2.5 Green X1.6 X2.
Change History This describes the changes in the RRU3808 Installation Guide. z04（2010-03-05) This is the fourth commercial release. Compared with issue 03 (2009-12-10) of V200, the description on the cross-section area of the RRU power cable is added. z03（2009-12-10) This is the third commercial release. Compared with issue 02 (2009-09-25) of V200, the installation scenarios of APM30H(Ver.B), APM30H(Ver.B, +24V), TMC11H(Ver.B) are added. z02 (2009-09-25) This is the second commercial release.
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