Comba Telecom CriticalPoint UHF DAS User Manual Download Page 39

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INSTALLATION GUIDE FOR UHF DAS

ENU STATUS : 1-0-0

Page 39

APPENDICES

7.1

APPENDIX A: TOOLS

The following are the recommended list of tools for new installation and routine maintenance.

⚫

Slotted Screwdriver

⚫

Philips Screwdriver

⚫

Ring Spanner (Assorted size: 12~20mm)

⚫

Electrically operated drill and masonry drill bits



12mm

⚫

Anti-static Wrist Strap

⚫

Side Cutter

⚫

Frequency Counter (e.g. FLUKE PM6685R)

⚫

RF Power Meter (e.g. Bird 5000)

Summary of Contents for CriticalPoint UHF DAS

Page 1: ...DISTRIBUTED ANTENNA SYSTEM USER MANUAL Public Safety UHF DAS System QE 1 0 0 Comba Telecom Network Systems Limited CriticalPoint UHF Public Safety DAS...

Page 2: ...rk Systems Limited Comba All rights reserved The information contained herein is confidential and the property of Comba and is supplied without liability for errors or omissions No part may be reprodu...

Page 3: ...UP 17 2 6 SPECIFICATION OF UHF DAS SYSTEM 18 3 INSTALLATION 20 3 1 WARNINGS AND ALERTS 20 3 2 SITE PLANNING CONSIDERATIONS 21 3 2 1 SITE PLANNING 21 3 2 2 INSTALLATION CHECKLIST 22 3 3 INSTALLATION PR...

Page 4: ...S ENU STATUS 1 0 0 Copyright refer to title page Page 4 6 MAINTENANCE 38 7 APPENDICES 39 7 1 APPENDIX A TOOLS 39 7 2 APPENDIX B DECLARATION OF HARMFUL SUBSTANCES AND CONTENT 40 7 3 APPENDIX D RMA RETU...

Page 5: ...inet Mounting 25 Figure 14 Expansion Unit Cabinet Mounting 26 Figure 15 Expansion Unit Wall Mounting 26 Figure 16 The mounting hangers of Expansion Unit 27 Figure 17 Hole punching diagram for Wall mou...

Page 6: ...INSTALLATION GUIDE FOR UHF DAS ENU STATUS 1 0 0 Copyright refer to title page Page 6 0 3 HISTORY Change No ENU Details Of Change 1 1 0 0 This manual first created and issued in Dec 2021...

Page 7: ...on Hz Hertz ID Identification IF Intermediate Frequency LNA Low Noise Amplifier LOS Line of Sight MCU Main Control Unit MHz Megahertz MT Mobile Terminal MTBF Mean Time Between Failures MU Master Unit...

Page 8: ...n of personnel to hazards that may cause death or injury to the operator or others Examples of use are cases of high voltage laser emission toxic substances point of high temperature etc The design of...

Page 9: ...The antenna gain should not exceed 0 dBi WARNING Use only authorized and approved antennas cables and or coupling devices The use of unapproved antennas cables or coupling devices could cause damage a...

Page 10: ...on with up to 6 5dBo of optical loss equivalent to 8 miles of fiber length Main Features Supports P25 P1 P2 digital and conventional analog communications simultaneously Simplex and internal Duplexing...

Page 11: ...INSTALLATION GUIDE FOR UHF DAS ENU STATUS 1 0 0 Copyright refer to title page Page 11 Figure 2 Expansion Unit EU Figure 3 Remote Unit RU End of Section...

Page 12: ...via the duplexer and then sent to the Expansion Unit s the RF signal is converted into an optical signal and then distributed to the Remote Unit s to over optical fiber After amplification by the RU t...

Page 13: ...ge into 9VJK and 9VRF 9VJK 9VRF are supplied to the monitoring unit and the RF unit in the integrated module separately The RF module amplifies and converts the RF signal to IF signal The Digital proc...

Page 14: ...ng properly FUNC Reserved OP ON Expansion connected OFF no Expansion connected DT DL IN N Female connector for connection to the donor antenna MT DL OUT N Female connector for connection to the servic...

Page 15: ..._E Connect to DL1 of next EU for cascade connection Ground terminal Figure 7 RU Equipment Connectors Table 3 RU Equipment Connectors Identifier Descriptions Power1 Power cable connector for a pre inst...

Page 16: ...is fine OFF Optical link is broken optical TX or RX alarm MT DL OUT N Female connector for connection to the service antenna UL IN Input port for Uplink Signal IN1 4 OUT1 4 Reserved Ground terminal 2...

Page 17: ...DL2 UL2 DL_E UL_E RU1 EU Main MU RU32 RF Cable Fiber EU1 EU2 EU3 EU4 Backup MU Figure 9 Application 2 System Diagram 2 5 3 APPLICATION 3 2MU MAIN MU AND BACKUP MU CONNECT 16RUS WITH OPTICAL FIBER BAC...

Page 18: ...filters dB 105 Gain Adjustment Range 1dB step dB MU 0 30 RU 0 30 Pass Band Ripple p p dB 3 Uplink Noise Figure dB 7 Intermodulation dBm 13 Spurious dBm FCC Compliance Maximum RF Input Level without Da...

Page 19: ...315 Weight without bracket lb kg 77 35 without filter 140 63 5 with filter Power Supply VDC 40 to 58 VAC 100 240 47 63Hz Power Consumption W 85 RF Connectors N Female Operating Temperature o F o C 27...

Page 20: ...s flammable or explosive atmospheres the system must be suitably installed to prevent danger Protective Earthing Equipment provided for the purpose of protecting individuals from electrical risk must...

Page 21: ...ving stable temperature and unrestricted air flow The installation location for the product should be well ventilated The equipment has been designed to operate at the temperature range and humidity l...

Page 22: ...ference Reduce signal loss in feeder cable by minimizing the length and number of RF connections Ensure VSWR of antennas system 1 5 1 Ensure equipment will be operated within the stated environment se...

Page 23: ...ach package against the packing list If any items are missing contact Comba Do not remove items from anti static packing until ready for installation If damage is discovered at the time of installatio...

Page 24: ...exagon Head Flat Gasket Pad Pylons Screw Wall Figure 12 UHF PS DAS MU and RU Wall Mounting 3 3 5 DRIP LOOP Comba recommends that every horizontal cable entry to the equipment forms a U before its entr...

Page 25: ...ll the square holes on the left and right columns and install M6 snap nuts in the four holes with a spacing of 76 2mm Complete the external wiring connection of the equipment according to the equipmen...

Page 26: ...er to title page Page 26 Figure 14 Expansion Unit Cabinet Mounting 3 3 7 WALL MOUNTING FOR EU Installation dimensions of Expansion Unit for wall mounting is shown as below Figure 15 Expansion Unit Wal...

Page 27: ...rcussion drill and choose a suitable drill bit 8mm is recommended to make a hole according to the size 465 246 5mm in Figure 17 and the depth is about 50mm Figure 17 Hole punching diagram for Wall mou...

Page 28: ...INSTALLATION GUIDE FOR UHF DAS ENU STATUS 1 0 0 Copyright refer to title page Page 28 The installation is complete Figure 18 Expansion Unit Wall Mounting...

Page 29: ...unded securely by connecting a copper wire CSA 16mm2 to the grounding terminal on the equipment rack and the other end to a protective ground i e building earth point An internationally acceptable col...

Page 30: ...n The power supply of the Expansion Unit is DC24V DC48V which can be directly supplied by the MU or DC48V independently When powered by the MU the main MU power supply line connection VOUT IN1 VOUT IN...

Page 31: ...e from the donor antenna UHF PS DAS MU MT DL OUT port Connects to the feeder cable from the service antenna infrastructure UHF PS DAS MU IN1 OUT1 ports Connects to UL1 DL1 or UL2 DL2 UHF PS DAS RU MT...

Page 32: ...3 4 CLOSE2 4 5 COM2 5 6 OPEN2 6 7 CLOSE3 7 8 COM3 8 9 OPEN3 9 ALM2 1 CLOSE4 1 2 COM4 2 3 OPEN4 3 4 CLOSE5 4 5 COM5 5 6 OPEN5 6 7 CLOSE5 7 8 COM5 8 9 OPEN5 9 AUX 1 EXT ALM1 1 2 EXT ALM2 2 3 EXT ALM3 3...

Page 33: ...INSTALLATION GUIDE FOR UHF DAS ENU STATUS 1 0 0 Copyright refer to title page Page 33 Pin definition of ALM and AUX connectors End of Section...

Page 34: ...ON Step 1 Connect the OMT port to the PC RJ45 port OF MU with the supplied RJ45 cable to set up a physical connection Step 2 Open a browser suggested is the Firefox browser display resolution is 1024...

Page 35: ...appear Figure 24 Web GUI Main Screen On Comba Web GUI Home Screen there are four Menu bars Dashboard Overview Tools Device and Management The Dashboard Screen shows system topology diagram Dashboard S...

Page 36: ...INSTALLATION GUIDE FOR UHF DAS ENU STATUS 1 0 0 Copyright refer to title page Page 36 Figure 26 Chanel Frequency Info The page shows Sub Band Information Class B Figure 27 Sub Band Info End of Section...

Page 37: ...lanation Commissioning Tasks Observation 1 Set filter frequencies In Master Unit Device page or on each individual units page Update the frequency for each filter in the device page 2 Go through commi...

Page 38: ...intenance activities should only be carried out by trained personnel Periodic inspection of the UHF PS DAS equipment s is recommended the recommended tasks includes Verify the direction and position o...

Page 39: ...e following are the recommended list of tools for new installation and routine maintenance Slotted Screwdriver Philips Screwdriver Ring Spanner Assorted size 12 20mm Electrically operated drill and ma...

Page 40: ...omplies with SJ T 11364 Indicates that the harmful substance content in all homogeneous materials for corresponding part is under the limited requirement of GB T 26572 Indicates that the harmful subst...

Page 41: ...INSTALLATION GUIDE FOR UHF DAS ENU STATUS 1 0 0 Copyright refer to title page Page 41 7 3 APPENDIX D RMA RETURN MATERIAL AUTHORIZATION...

Page 42: ...INSTALLATION GUIDE FOR UHF DAS ENU STATUS 1 0 0 Copyright refer to title page Page 42...

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