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8

 

STARLINE 

RF Amplifier Quick Start Guide 

 

Close the housing and use a torque wrench to sequentially and progressively tighten the 
housing bolts in the sequence specified on the housing cover.  

Torque the housing bolts to the following specifications: 

Amplifier Torque 

(ft-lbs.) 

BLE*/* 

MB*/*, 
MBE*/* 

12 

BT*/* 

15 

If You Need Help 

If you need assistance while working with the STARLINE amplifiers, contact the Motorola 
Technical Response Center (TRC): 

Inside the U.S.: 

1-888-944-HELP

 (

1-888-944-4357

Outside the U.S.: 

215-323-0044

 

Online: 

http://www.motorola.com/broadband

, click 

HTML/Modem Version

, click 

Customer Support

, then click 

Web Support

The TRC is open from 8:00 AM to 7:00 PM Eastern Time, Monday through Friday and 10:00 AM 
to 5:00 PM Eastern Time, Saturday. When the TRC is closed, emergency service 

only

 is 

available on a call-back basis. Web Support offers a searchable solutions database, technical 
documentation, and low priority issue creation/tracking 24 hours per day, 7 days per week. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOROLA, STARLINE and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service 
names are the property of their respective owners. 

 Motorola, Inc. 2002. 

498160-001 
8/02                   
 

All rights reserved. 
No part of the contents of this manual may be reproduced or transmitted in any form or by any means without the 
written permission of the publisher.

 

 

 

 

 

 

 

MGBI 

 

 

Summary of Contents for RF Amplifier

Page 1: ... screening on the equipment typically representing front and rear panel controls and input output I O connections and LEDs asterisk asterisk asterisk asterisk Indicates that several versions of the same model number exist and the information applies to all models when the information applies to a specific model the complete model number is given Italic type Denotes a displayed variable or is used ...

Page 2: ...Vac for the HI position All units are shipped with the selector set in the LO position The LO position is used with 60 Vac systems where 38 Vac startup voltage is required For systems operating at 90 Vac the selector can be in the LO or HI position Note that changing the selector does not change the upper voltage limit but affects only the startup voltage The voltage selector should be switched on...

Page 3: ...r design values This is caused by factors such as walkout errors worst case data utilization during design and temperature variation from 70ºF 4 Secure the electronics chassis in the housing and torque to 18 to 22 in lbs to facilitate heat transfer 5 Perform a bench alignment Pre aligning the amplifier response on the bench for system signature simplifies field alignment If the unit is bench align...

Page 4: ... MHz or channel 3 61 25 MHz If the tilt is less than required install a higher value SFE If the tilt is greater than required install a lower value SFE If the high value equalizer provides too much tilt and the low value equalizer provides too little tilt use the lower value equalizer Under equalization is preferential to over equalization 9 You must adjust the input pad if you use a STARLINE Cabl...

Page 5: ...plifier station Low 0 dB to 15 dB medium 15 dB to 30 dB and high 30 dB or more of cable 2 Position the drive control select jumper temporarily in the MAN position and perform the complete procedure described in Manual Gain Control if not already completed 3 Position the drive control select jumper to DRIVE UNIT 4 Connect a signal level meter to the FWD OUT test point and tune the meter to the high...

Page 6: ... output level The levels for the MBE assume a bridger gain 9 dB higher than the trunk Return Path Alignment The following subsections describe procedures required to obtain proper return path alignment Before You Begin For proper return path alignment obtain 1 RF alignment levels and insertion points for all amplifiers 2 RF reference output level of the headend optical receivers 3 A full complemen...

Page 7: ... reference level as compared to the node 11 Verify the sweep response of all insertion points if applicable 12 Verify that the pad and SRE values are similar to the map design values You can verify proper return alignment by injecting a carrier at the design level into any amplifier at random Proper alignment is achieved if you observe the reference level at the headend optical receiver output Ret...

Page 8: ...lick Customer Support then click Web Support The TRC is open from 8 00 AM to 7 00 PM Eastern Time Monday through Friday and 10 00 AM to 5 00 PM Eastern Time Saturday When the TRC is closed emergency service only is available on a call back basis Web Support offers a searchable solutions database technical documentation and low priority issue creation tracking 24 hours per day 7 days per week MOTOR...

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