Cisco LE III with 40 52 MHz Split PHD (Cable Tilt) 数据表
I
DC
AC Voltage
Line Extender III
(Amps)
90
85
80
75
70
65
60
55
50
45
40
35
Type 3T
AC Current (A)
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
Power (W)
22.2
21.8
21.8
21.9
21.5
21.8
21.8
21.7
22.3
22.3
21.8
22.2
Type 3A
AC Current (A)
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
Power (W)
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: 800-722-2009; Fax: 770-903-4617
Germany: Europe GmbH, 61476 Kronberg, Germany; Tel: 49-6173-928-000; Fax: 49-6173-928-150
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
Germany: Europe GmbH, 61476 Kronberg, Germany; Tel: 49-6173-928-000; Fax: 49-6173-928-150
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 587989 Rev A
© 1998 Scientific-Atlanta, Inc.
All rights reserved.
Printed in USA.
1298M
Line Extender III-Type 3 — 5-55/70-750 MHz
ORDERING INFORMATION
Amplifier Module - 1 required
• # 573887 - Type 3T amplifier module with Thermal
Note: 3T amplifier module also comes configured with reverse
amplifier, 14.5 dB interstage EQ, interstage pad, reverse output
pad, 0 dB reverse output EQ, 55/70 diplex filters, integrated
power supply.
• # 573889 - Type 3A amplifier module with AGC. AGC has
Note: 3T amplifier module also comes configured with reverse
amplifier, 14.5 dB interstage EQ, interstage pad, reverse output
pad, 0 dB reverse output EQ, 55/70 diplex filters, integrated
power supply.
• # 573889 - Type 3A amplifier module with AGC. AGC has
451.25 MHz pilot frequency and manual temperature backoff
control.
control.
Note: 3A amplifier module also comes configured with reverse
amplifier, 9.0 dB interstage EQ, interstage pad, reverse output
pad, 0 dB reverse output EQ, 55/70 diplex filters, integrated
power supply.
amplifier, 9.0 dB interstage EQ, interstage pad, reverse output
pad, 0 dB reverse output EQ, 55/70 diplex filters, integrated
power supply.
Housing - 1 required (all have 15 amp capacity)
• # 545443 Uncoated 2-port housing
• # 545444 Coated 2-port housing
• # 545444 Coated 2-port housing
Required Accessories
• Plug-in Pads (attenuators):
– 1 required for forward (1 input)
– 2 required for reverse (1 input., 1 output)
– 1 required for AGC only if amplifier output level at pilot
– 2 required for reverse (1 input., 1 output)
– 1 required for AGC only if amplifier output level at pilot
frequency is NOT 42 dBmV (AGC comes configured with a
14 dB pad, which is appropriate for a 42 dBmV amplifier
output level at pilot).
14 dB pad, which is appropriate for a 42 dBmV amplifier
output level at pilot).
Available in 0.5 dB steps from 0 to 20 dB. Order Model PP-*
(* denotes pad value); specify value.
(* 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.
(* denotes equalizer value); specify value.
• Plug-in Reverse Output Equalizer, 1 required. Available in
1.0 dB steps from 1.0 to 12.0 dB at 55 MHz. Order Model
EQ55S -* (* denotes equalizer value); specify value.
EQ55S -* (* denotes equalizer value); specify value.
Optional Accessories
• #467351 230 V AC Crowbar Surge Protector
• Plug-in Cable Simulator. Simulates cable losses, creating tilt
• 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.
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.
Related Equipment
• #501111 Long Reach Test Point Adapter
• #276982 Reverse Injection Probe (3 dB insertion loss)
• #548771 Pad Insertion/Removal Tool
• #276982 Reverse Injection Probe (3 dB insertion loss)
• #548771 Pad Insertion/Removal Tool
MECHANICAL SPECIFICATIONS
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
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.
notice.
Scientific Atlanta and the Scientific-Atlanta logo are registered trademarks
of Scientific-Atlanta, Inc.
of Scientific-Atlanta, Inc.
Surge Resistant is a trademark of Scientific-Atlanta, Inc.
Station Powering Data
Data is based on stations configured for 2-way operation. Power supply has 30 V AC undervoltage lockout. AC currents specified are
based on measurements made with typical CATV type ferro-resonant AC power supply (quasi-square wave).
based on measurements made with typical CATV type ferro-resonant AC power supply (quasi-square wave).