Lucent Technologies FT-2000 OC-48 - OC-48 Loss Budget Specifications; Optical Line Loss Budgets; FT-2000 OC-48 Lightwave System; Outside Plant Loss

Technical Specifications
Issue 8.0 July 2002
10-5
Outside Plant Loss 10
Optical Line Loss Budgets 10
FT-2000 OC-48 Lightwave System 10
The FT-2000 OC-48 Lightwave System is designed to meet the OC-48 loss budget
specifications shown in Table 10-1, Table 10-2, and Table 10-7. The transmit and receive
powers are referenced to points S and R in Figure 10-1.
OC-48 standard performance (1.310 µm) .................... 24.0 dB
OC-48 high performance (1.310 µm)............................ 27.0 dB
OC-48 standard performance (1.550 µm) .................... 23.0 dB
OC-48 WDM/LBA compatible (1.538 µm) .................... 20.5 dB
OC-48 WDM/LBA compatible (1.558 µm) .................... 20.5 dB
Table 10-1. OC-48 Loss Budget Specifications
1.310 µm
Standard High 1.550 µm
Parameter Performance Performance Performance
Maximum Transmitter Power (P
{Tmax}
)
*
* Transmit and receive powers are referenced to points S and R as shown in Figure 10-1.
2.5 dBm 5.5 dBm 4.0 dBm
Minimum Transmitter Power (P
{Tmin}
)
†
† These values include transmitter/receiver connectors @ 0.7 dB each (worst case) and the system margins
−2.0 dBm 1.0 dBm −2.0 dBm
Maximum Received Power (P
{Rmax}
)
‡
‡ The receiver sensitivity and maximum received power values are measured at a Bit-Error-Rate (BER) of
1x10
-10
.
−10.0 dBm −10.0 dBm −9.0 dBm
Receiver Sensitivity (P
{Rmin}
)
§
§ The 1.5 µm Standard Performance optics is dispersion limited to 92 kilometers.
−27.0 dBm −27.0 dBm −27.0 dBm
MinimumSystemGain(S-R) +25.0dB 28.0dB 25.0dB
Optical Path Penalty (P
O
) 1.0 dB 1.0 dB 2.0 dB
Maximum Loss Budget 24.0 dB 27.0 dB 23.0 dB
Minimum Loss Budget
¶
¶ These values assume that the maximum received power limitations are not exceeded.
10.0 dB 10.0 dB 10.0 dB