Cisco Cisco Legacy Line Extenders Scheda Tecnica

0.76

0.38

0.41

0.42 0.44

0.46 0.48 0.49

0.52

0.55 0.58

0.61

0.67

22.2

21.8

21.8 21.9

21.5 21.8 21.8

21.7

22.3 22.3

21.8

22.2

0.86

0.42

0.46

0.46 0.48

0.50 0.52 0.54

0.57

0.60 0.64

0.68

0.76

24.7

24.4

24.3 24.4

24.2 24.3 24.4

24.3

24.8 24.8

24.4

24.6

Scientific-Atlanta, Inc.

http://www.sciatl.com

United States: 4261 Communications Drive, P.O. Box 6850, Norcross, GA 30091-6850; Tel: 800-433-6222; Fax: 770-903-4617
Canada: 7725 Lougheed Highway, Burnaby, BC V5A 4V8; Tel: 604-420-5322; Fax: 604-420-5941
United Kingdom: Home Park Estate, Kings Langley, Herts WD4 8LZ, England; Tel: 44-923-266-133; Fax: 44-192-327-0448
Australia: Unit 2, 2 Aquatic Drive, P.O. Box 292, Frenchs Forest, NSW 2086, Australia; Tel: 61-2-9452-3388; Fax: 61-2-9451-4432
Singapore: 1 Claymore Drive, #08-11 Orchard Towers, Singapore 229594; Tel: 65-733-4314; Fax: 65-733-2706
Hong Kong: Suite 56 & 57, 5/F New Henry House, 10 Ice House Street, Central, Hong Kong; Tel: 852-2522-5059; Fax: 852-2522-5624

P/N 587991 Rev A

© 1998 Scientific-Atlanta, Inc. 

All rights reserved.

Printed in USA. 

0498M

Data is based on stations configured for 2-way operation. 

• #545443  Uncoated housing, high current passing 
• #545444  Coated housing, high current passing
• #548774  High current upgrade kit for LE housing (includes 

two seizure assemblies & two anvils) 

• #573900  Forward & Reverse with power supply. Power supply

has 30 V AC undervoltage lockout.

• #590523  Forward & Reverse with power supply. Power supply

has 40 V AC undervoltage lockout.

• Plug-in Pads (attenuators):

– 2 required for forward (1 input, 1 interstage)
– 1 required for reverse (1 output) 
– 1 optional for reverse (1 input) 
– 1 required for AGC option
Available in 0.5 dB steps from 0 to 20 dB.  Order Model PP-* 
(* denotes pad value), specify value.  

• Plug-in Forward Input Equalizer, 1 required.  Available in 1.5 dB

steps from 0 to 28.5 dB at 750 MHz.  Order Model EQ750-* 
(* denotes equalizer value), specify value.

• Reverse Equalizer, Variable or Fixed, 1 required (reverse 

output), select one of either type:      
Variable Reverse Equalizers

#511075

1.5 to 4.5 dB at 40 MHz

#511295

4.5 to 7.5 dB at 40 MHz

#511298

7.5 to 12.0 dB at 40 MHz

Fixed Reverse Equalizers 
Available in 1 dB steps from 1 to 12 dB at 40 MHz.  Order 
Model EQ40S-* (* denotes equalizer value), specify value.

• One of the following interstage accessories is required for most

applications:

#539578

445.25 MHz single pilot AGC with 9 dB fixed 
value interstage equalizer

#503100 

Thermal compensator with 3-9 dB variable 
interstage equalizer

#511380

3-9 dB variable interstage equalizer

• #467351  230 VAC Crowbar Surge Protector
• Plug-in Cable Simulator.  Simulates cable losses, creating tilt 

opposite that of equalizers.  Use in place of forward input 
equalizer as needed to maintain proper output tilt in short 
spaced locations.  Available in 1.5 dB steps from 1.5 dB to 
12.0 dB cable loss at 750 MHz.  Order Model CS 750-* 
(* denotes CS value), specify value.

• Interstage Trim Network,.  Type and use factor is determined by

evaluating actual system frequency response.  Use as needed.

• #501111  Long Reach Test Point Adapter
• #276982 Reverse Injection Probe (3 dB insertion loss)
• #143190  Cable Seizure Wrench

Housing Dimensions

11.5 in. L x 9.5 in. H x 4.0 in. D
292.1 mm L x 241.3 mm H x 101.6 mm D

Weight

Housing 6 lbs, 6 oz; 2.9 kg
Module 2 lbs, 13 oz; 1.3 kg

Specifications and product availability are subject to change
without notice.

Scientific Atlanta and the Scientific-Atlanta logo are registered
trademarks of Scientific-Atlanta, Inc.

Surge Resistant is a trademark of Scientific-Atlanta, Inc.