ADC ClearGain Dual Inline Tower Mounted Amplifier System Manual do Utilizador Página 1

ADCP-75-214Issue 2September 20061383772 Rev AClearGain® 1800 MHz and 2100 MHz Dual Inline Tower Mounted Amplifier SystemUser Manual

ADCP-75-214 • Issue 2 • September 2006Page 4© 2006, ADC Telecommunications, Inc.Figure 3. Typical MHU Clamp Mounting Kit Components1. When installing

ADCP-75-214 • Issue 2 • September 2006Page 5© 2006, ADC Telecommunications, Inc.GROUNDING and BONDING CONSIDERATIONS• Grounding is very important in t

ADCP-75-214 • Issue 2 • September 2006Page 6© 2006, ADC Telecommunications, Inc.2.3 PDU Installation2.3.1 Mechanical Attachment of PDUThe PDU should b

ADCP-75-214 • Issue 2 • September 2006Page 7© 2006, ADC Telecommunications, Inc.2.3.1.3 Rack Mount (Optional)A mounting bracket, shown in Figure 5 is

ADCP-75-214 • Issue 2 • September 2006Page 8© 2006, ADC Telecommunications, Inc.Figure 6 shows the cable terminations on the front of the PDU. Connect

ADCP-75-214 • Issue 2 • September 2006Page 9© 2006, ADC Telecommunications, Inc.Figure 7. PDU Alarm Logic and RS-485 Connections2.3.3 Setting the DIP

ADCP-75-214 • Issue 2 • September 2006Page 10© 2006, ADC Telecommunications, Inc.2.4 Bias-T Installation2.4.1 Mechanical Attachment and Cable Connecti

ADCP-75-214 • Issue 2 • September 2006Page 11© 2006, ADC Telecommunications, Inc.3 TROUBLESHOOTINGWhen a fault occurs with the system, the red alarm L

ADCP-75-214 • Issue 2 • September 2006Page 12© 2006, ADC Telecommunications, Inc.4 TROUBLESHOOTING 4-PORT CLEARGAIN DUAL INLINE DUAL DUPLEX TOWER MOUN

ADCP-75-214 • Issue 2 • September 2006Page 13© 2006, ADC Telecommunications, Inc.4.1 Troubleshooting1. Observe and record PDU LED status. Disable or d

ADCP-75-214 • Issue 2 • September 2006 • PrefacePage iiCOPYRIGHT© 2006, ADC Telecommunications, Inc.All Rights ReservedREVISION HISTORYTRADEMARK INFOR

ADCP-75-214 • Issue 2 • September 2006Page 14© 2006, ADC Telecommunications, Inc.4. Re-connect Bias-T with a T adapter. Verify voltage on the T adapte

ADCP-75-214 • Issue 2 • September 2006Page 15© 2006, ADC Telecommunications, Inc.4.3 Troubleshooting Flowchart (For Systems With Three-Port MHUs)If di

ADCP-75-214 • Issue 2 • September 2006Page 16© 2006, ADC Telecommunications, Inc.4.4 Troubleshooting MatrixIf directed in Section 4.3 to consult a tro

ADCP-75-214 • Issue 2 • September 2006Page 17© 2006, ADC Telecommunications, Inc.4.5 Return Loss Sweep Guide0-5-10-15-20-25-30-35-40-45RL dBv1 v2 v1 v

ADCP-75-214 • Issue 2 • September 2006Page 18© 2006, ADC Telecommunications, Inc.5 SPECIFICATIONS5.1 1800 Masthead UnitTable 2 provides typical specif

ADCP-75-214 • Issue 2 • September 2006Page 19© 2006, ADC Telecommunications, Inc.5.2 2100 Masthead UnitTable 3 provides typical specifications for the

ADCP-75-214 • Issue 2 • September 2006Page 20© 2006, ADC Telecommunications, Inc.5.3 PDU (Power Distribution Unit)Table 4 provides typical specificati

ADCP-75-214 • Issue 2 • September 2006Page 21© 2006, ADC Telecommunications, Inc.5.4 Bias-TTable 5 provides typical specifications for the Bias-T.Tabl

ADCP-75-214 • Issue 2 • September 2006Page 226 CUSTOMER INFORMATION AND ASSISTANCE© 2006, ADC Telecommunications, Inc.All Rights Reserved13944-MWRITE:

ADCP-75-214 • Issue 2 • September 2006 • PrefacePage iii© 2006, ADC Telecommunications, Inc.TABLE OF CONTENTSContent PageABOUT THIS MANUAL . . . . .

ADCP-75-214 • Issue 2 • September 2006 • PrefacePage iv© 2006, ADC Telecommunications, Inc.Blank

ADCP-75-214 • Issue 2 • September 2006 • PrefacePage v© 2006, ADC Telecommunications, Inc.ABOUT THIS MANUALThis document describes the ADC ClearGain 1

ADCP-75-214 • Issue 2 • September 2006 • PrefacePage vi© 2006, ADC Telecommunications, Inc.LIST OF ACRONYMSAISG – Antenna Interface Standards GroupANT

ADCP-75-214 • Issue 2 • September 2006Page 1© 2006, ADC Telecommunications, Inc.1 PRODUCT OVERVIEW1.1 General DescriptionThe ClearGain 1800 or 2100 MH

ADCP-75-214 • Issue 2 • September 2006Page 2© 2006, ADC Telecommunications, Inc.1.2 Functional DescriptionThe basic purpose of a ClearGain Dual Inline

ADCP-75-214 • Issue 2 • September 2006Page 3© 2006, ADC Telecommunications, Inc.MHU – located as close to the antenna as possible, performs the amplif