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Chapter 5 Maintenance

Fan Replacement

 © 2009 Harmonic Inc.

29

SUPRALink 7110-Exx, Version 1.0, Rev A

3.

Clean the bulkhead adapter and internal connector with either a 2.5 mm optical 
connector swab or bulkhead adapter cleaning tools such as the Seikoh-Giken 
FerruleMate.

4.

If alcohol is used in above step, finish with a dry swab or bulkhead adapter cleaning tools.

5.

Inspect the bulkhead adapter for cleanliness with a video inspection scope, if available. 
Repeat steps 3 and 4 until the adapter and internal connector meet applicable 
cleanliness requirements.

Figure 5-1: HMC 4001 fan replacement

5.2 Fan 

Replacement

NOTE:  

The fan assembly mounted on the HMC 4001 carrier may be replaced without removing or 

disabling the SUPRALink 7110-Exx module. Under normal headend and central office environmental 
conditions, the transmitter can operate without fan cooling for a limited time.

Should a fan failure occur, contact Harmonic’s technical service (see 

6.2 In Case of Problems

 

on page 30).

To replace the fan:

1.

Disconnect the fan’s power cable.

2.

Remove the four Phillips head screws, shown in 

Figure 5-1

 on page 29, that secure the 

fan to the module housing.

3.

Replace the failed fan unit with a new fan unit.

4.

Secure the new fan unit with the four Phillips head screws.

5.

Reconnect the power cable.

Phillips

Screws

Содержание SUPRALink 7110-E Series

Страница 1: ...SUPRALink 7110 Exx Optical Transmitter Installation Guide Rev A Manual Part No 700 0052027...

Страница 2: ...s equipment in a residential area is likely to cause harmful interference If this occurs the user will be required to correct the interference at his or her own expense This device complies with Part...

Страница 3: ...d or stored as per the conditions specified in the product manual O SJ T11363 2006 O Indicates the content of the toxic and hazardous substances at the homogeneous material level of the parts is below...

Страница 4: ...provals North America Standards EMI FCC Part 1 5 Subpart B Class AICES 003 Issue 2 Class A Safety UL 60950 1 CSA 60950 1 21 CFR 1040 CDRH Europe Japan Australia and New Zealand Standards EMI EMC EN550...

Страница 5: ...l information that you will benefit from heeding It may be used to call attention to an especially important piece of information you need or it may provide additional information that applies in only...

Страница 6: ...itter Setup 4 1 Factory Optimized Settings 21 4 1 1 Returning to Factory Settings 22 4 2 Fine Tuning Each Transmitter 23 4 3 Autosetup Automatic Gain Control and Manual Gain Control 23 4 3 1 Autosetup...

Страница 7: ...t 31 Appendix A Technical Specifications A 1 Optical Output 32 A 2 Optical Power 32 A 3 RF Input 32 A 4 User Interface 32 A 5 Power Requirements 33 A 6 Environmental 33 A 7 Physical 33 A 8 Models Avai...

Страница 8: ...t platform An HMC 4001 module carrier is needed to mount the transmitter in the platform Harmonic has optimized the SUPRALink family of transmitter modules for high performance transmission of RF broa...

Страница 9: ...art 1 550 DWDM distributed feedback DFB laser technology and patent pending pre distortion linearization circuitry Harmonic has designed the SUPRALink family for integration into networks with advance...

Страница 10: ...esigned to operate in multi wavelength systems allowing fiber conservation or reclamation The 1 550nm DWDM optical signal transmitted by a SUPRALink DWDM module must be combined and separated using Ha...

Страница 11: ...combined optical wavelengths are transported to the hub where they are demultiplexed and fed into multiple nodes In Figure 1 3 the return path signal is carried on a separate fiber not shown from the...

Страница 12: ...multiwavelength applications the launch power into the fiber and the total fiber distance may need to be limited and the analog content on each wavelength must be identical to avoid detrimental non l...

Страница 13: ...for several seconds A suitable ground point is an unpainted part of the chassis of a grounded piece of equipment 2 2 Installing the Transmitter Module CAUTION To protect yourself from potential injury...

Страница 14: ...ull out the module To install the HMC 4001 carrier in the HLP 4200 and HLP 4800 platform 1 Lower the HLP 4200 platform s control display panel 2 Slide the HMC 4001 carrier into any available slot in t...

Страница 15: ...ing procedure outlined in Section 5 1 2 Cleaning Transmitter Module Optical Connectors on page 28 NOTE Any contamination of either the fiber cable or SPL 7110 Exx connector can significantly degrade o...

Страница 16: ...based on 41 Cenelec channels with 56 digital QAM channels 2 5 Testing RF Signal Input Once you have connected the RF signal source you can use the RF monitor to verify the presence of the RF signal in...

Страница 17: ...nd HLP 4800 Display The SPL 71 10 Exx can be configured and monitored conveniently via the push buttons and LCD display of the HLP 4200 and HLP 4800 equipment platform Figure 3 1 provides a flowchart...

Страница 18: ...the specific transmitter module that is selected Use the HLP 4200 and HLP 4800 s and buttons to scroll through the menus Use the Enter button to make a selection Use the Esc button to escape any menu...

Страница 19: ...rt Chapter 3 User Interface Options HLP 4200 and HLP 4800 Display 2009 Harmonic Inc 19 SPL 7110 Exx Version 1 0 Rev A 3 1 1 Transmitter Status The Transmitter Status menu lets you obtain the transmitt...

Страница 20: ...and HLP 4800 interface the display automatically jumps to the alarm message within the Transmitter Alarms menu 3 2 NETWatch Site Controller Harmonic s NETWatch Site Controller provides a complete elem...

Страница 21: ...ntroller can be used for transmitter setup Before proceeding with the instructions outlined in this chapter ensure that you have installed the transmitter properly into the HLP 4200 and HLP 4800 platf...

Страница 22: ...djusts to get the adequate drive level to the laser for optimized performance If the transmitter is in MGC mode the transmitter reverts to factory settings based on Table 4 1 regardless of the actual...

Страница 23: ...ach of the interface options see 4 4 3 Fine Tuning the Transmitter 4 5 Setup via NETWatch Site Controller 4 3 Autosetup Automatic Gain Control and Manual Gain Control The Autosetup feature enables you...

Страница 24: ...mitter laser remains at its previously established value When you use AGC mode with the SPL 71 10 Exx Harmonic recommends that you drive the transmitters 3 dB harder so that they can better compensate...

Страница 25: ...arameter 1 Press ESC until the HLP Platform display reads MODULE SELECTION Press Enter 2 Press or until the display indicates the SPL71 10 EXX module you wish to set up Press Enter 3 Press or until th...

Страница 26: ...et the adequate drive level to the laser for optimized performance If the transmitter is in MGC mode the transmitter reverts to factory settings based on Table 4 1 on page 21 regardless of the actual...

Страница 27: ...Exx may be used in a multi wavelength application with up to eight wavelengths on a single fiber as shown in Figure 1 3 and Figure 1 4 In these scenarios the launch power into the fiber and the total...

Страница 28: ...tical connector can do more harm than good Never spray a clean air product onto the surface of an optical connector Spraying air onto an optical connector can cause condensation on the connector surfa...

Страница 29: ...nts Figure 5 1 HMC 4001 fan replacement 5 2 Fan Replacement NOTE The fan assembly mounted on the HMC 4001 carrier may be replaced without removing or disabling the SUPRALink 7110 Exx module Under norm...

Страница 30: ...ou need to return the unit she or he will issue you a Return Material Authorization RMA Number You must include this RMA number on the shipping container when returning the unit and with all correspon...

Страница 31: ...ucts For assistance from within the U S and Canada call toll free 1 800 730 4099 For assistance from outside the U S and Canada call 1 408 542 2771 The corporate address for Harmonic Inc is Harmonic I...

Страница 32: ...xx 16 to 20 dBmV Operational bandwidth 50 to 1003 MHz Frequency response 1 5 dB peak to valley RF attenuator adjustment range 5 dB Impedance 75 ohm Return loss 1 4 dB Level control manual MGC automati...

Страница 33: ...er protection A 7 Physical Dimensions W x H x D 1 3 x 4 4 x 1 2 7 3 3 cm x 1 1 2 cm x 32 2 cm Weight 0 95 kg 2 1 lbs Mounting HLP 4200 or HLP 4800 platform one half module slot via HMC module carrier...

Страница 34: ...TENTION RADIATION LASER INVISIBLE NE PAS OBSERVER LA LOUPE DIRECTEMENT PRODUIT LASER CLASSE 1M L observation des effets lasers l aide d un appareil optique comme loupe microscope une distance jusqu 10...

Страница 35: ...ill ensure that all products that cannot be re used will be recycled in compliance with the WEEE Directive To that end users are advised that 1 Harmonic equipment is not to be discarded in household o...

Страница 36: ...messages in the Transmitter Menu of the HLP 4200 and HLP4800 platform display In these figures push button commands are framed in ovals and resultant display messages are framed in rectangular boxes...

Страница 37: ...B HLP 4200 and HLP4800 Menu Display 2009 Harmonic Inc 37 SPL 7110S Exx Version 1 0 Rev A Figure B 1 HLP 4200 and 4800WD platform Transmitter menu display levels 0 and 1...

Страница 38: ...Harmonic Inc 549 Baltic Way Sunnyvale CA 94089 U S A T 1 408 542 2500 F 1 408 490 6708 www harmonicinc com Copyright 2009 Harmonic Inc All rights reserved Manual Part No 700 0052027...

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