363-206-285
Technical Specifications
10-38
Issue 3
June 2001
Table 10-13. 26G2-U/27G-U/27G2-U OLIU Link Budgets (Note)
Parameter
Value
Minimum Wavelength (
λ
Tmin
)
1272 nm
Maximum Wavelength (
λ
Tmax
)
1350 nm
Spectral Width (
δλ
rms
)
3.0 nm
Maximum Transmitter Power (P
Tmax
)
∗
−
0.0 dBm
Minimum Transmitter Power (P
Tmin
)
∗
−
7.0 dBm
Maximum Received Power (P
Rmax
)
−
13.8 dBm
Minimum Input Power (P
Rmin
)
−
30.8 dBm
Minimum System Gain (S-R)‡
23.8 dB
Optical Path Penalty (P
O
) †
1.0 dB
Connector Loss ‡
1.5 dB
Unallocated Margin
1.5 dB
Minimum Loss Budget
13.8 dB
Maximum Loss Budget
19.8 dB
Maximum Span Length§
44 km
Note
: All values are for both controlled and uncontrolled environmental
conditions.
∗
Transmit and receive powers are referenced to points S and R as shown in
Figure 10-2.
†
Optical path penalty includes effects of dispersion, reflection and jitter that
occur on the optical path.
‡
One connector (0.75 dB) on each end is assumed to connect station cable to
outside plant.
§
The 26G2-U/27G-U/27G2-U OLIUs are dispersion limited at 44 km, due to the
wider wavelength range. Assuming fiber with zero dispersion wavelength
between 1300 and 1320 nm, the worst case dispersion over the transmitter
wavelength range of 1272 to 1350 nm is 4.88 psec/nm km. This implies a 44
km span would have a total dispersion of about 215 psec/nm.
Summary of Contents for DDM-2000 OC-3
Page 4: ......
Page 14: ...xiv Issue 3 June 2001 Contents GL Glossary GL 1 ...
Page 24: ...xxiv Issue 3 June 2001 Figures ...
Page 28: ...Tables xxviii Issue 3 June 2001 A A SONET Overview A 34 SONET Transport Rates A 20 ...
Page 58: ...363 206 285 About This Document lviii Issue 3 June 2001 ...
Page 60: ...1 ii Issue 3 June 2001 Table of Contents ...
Page 80: ...363 206 285 System Introduction 1 20 Issue 3 June 2001 ...
Page 154: ...3 ii Issue 3 June 2001 Table of Contents ...
Page 184: ...4 ii Issue 3 June 2001 Table of Contents ...
Page 252: ...363 206 285 Transmission and Synchronization Interfaces 5 60 Issue 3 June 2001 ...
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Page 278: ...7 vi Issue 3 June 2001 Table of Contents ...
Page 436: ...363 206 285 Circuit Pack Descriptions 7 158 Issue 3 June 2001 ...
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Page 518: ...363 206 285 Administration and Provisioning 8 78 Issue 3 June 2001 ...
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Page 690: ...363 206 285 Commands and Reports 11 20 Issue 2 February 2000 ...
Page 1252: ...11 582 2000 February 2 Issue OC 3 DDM 2000 ...
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