Constellation®
January 2006
4-12 Technical
Specifications
Tributary Interface
Tributary Signal Characteristics
Table 4-5: Line Interface Specifications
Tributary Jitter
•
Jitter transfer conforms to AT&T Standard TR-62411.
•
Jitter tolerance conforms to Bellcore Standard GR-499, Section 7.3.2.
•
Jitter generation conforms to Bellcore Standard GR-499, Section 7.3.3.
•
The DS1 interface meets the jitter transfer and jitter acceptance
requirements of ITU-T G.958 and Bellcore GR-253.
•
Jitter curves are given in
Chapter 7, “Performance Curves”
.
Tributary
Bit Rate
(Mbit/s)
Impedance/
Connector
Line
Code
Length
DS1
1.544
100 ohms/50-pin
AMI/B8ZS 655 feet to DSX-1
E1
2.048
120 ohms/50-pin
HDB3
6 dB at 1.024 MHz
DS3
44.736
75 ohms/BNC female B3ZS
450 feet to DSX-3
E1 (wayside)
2.048
75 ohms/BNC female
or 120 ohms/RJ-45
HDB3
6 dB at 1.024 MHz
DS1 (wayside) 1.544
100 ohms/RJ-45
AMI/B8ZS 655 feet to DSX-1
OC-3/STM-1o
155.52
SC connector
NRZ
See
STS-3/STM-1e 155.52
75 ohms/BNC female CMI
100 meters
Table 4-6: Detailed Optical Specifications
OC-3, OC3c, STS3:
Single-Mode
Multi-Mode
Transmit Level
-8 to -15 dBm
-14 to -19 dBm
Receive Level
-7 to -34 dBm
-14 to -30 dBm
Center Wavelength
1300 nm
1300 nm
Path Length
Up to 15 km
Up to 1 km
Compliance
Bellcore (SONET OC3/IR-1)
and ITU-T G.957 STM1/S.1.1
FDDI PMD ATM/SONET
standards
Содержание Constellation
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Страница 3: ...CONSTELLATION MICROWAVE RADIO SYSTEM APPLICATION MANUAL PART NO SAI 112874 E09 JANUARY 2006...
Страница 4: ...Constellation January 2006...
Страница 18: ...Constellation January 2006 xii Preface...
Страница 20: ...Constellation January 2006 xiv Preface...
Страница 24: ...Constellation January 2006 1 4 General Information...
Страница 92: ...Constellation January 2006 6 10 Antenna Coupling Unit ACU...
Страница 110: ...Constellation January 2006 7 18 Performance Curves...
Страница 112: ...Constellation January 2006 A 2 Rack Profiles Figure A 2 EIA 19 inch rack frame and pedestal detail Front View Side View...
Страница 124: ...Constellation January 2006 Index 6...
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