Technical Specifications
Issue 8.0 July 2002
10-7
.
Table 10-3. OC-48 Loss Budget Specifications for 739E/G[9-16] OC48 TRMTR Circuit Packs
Parameter
OC48 Transmitter Circuit Pack Code and Wavelength (in nm)
739E9
1548.51
739E10
1550.12
739E11
1551.72
739E12
1553.33
739E13
1554.94
739E14
1556.55
739E15
1558.17
739E16
1559.79
Maximum Transmitter
Power (P
Tmax
)
*
* Transmit and receive powers are referenced to points S and R as shown in Figure 10-1.
−1.3 dBm −3.9 dBm −5.1 dBm −6.1 dBm −6.7 dBm −7.2 dBm −7.4 dBm −6.5 dBm
Minimum Transmitter
Power (P
Tmin
)
â€
†These values include transmitter/receiver connectors @ 0.7 dB each (worst case) and the system margins.
−4.2 dBm −6.8 dBm −8.0 dBm −9.0 dBm −9.6 dBm −10.1 dBm −10.3 dBm −9.4 dBm
Maximum Received
Power (P
Rmax
)
‡
‡ The receiver sensitivity and maximum received power values are measured at a BER of 1x10
-10
.
−11.0 dBm −11.0 dBm −11.0 dBm −11.0 dBm −11.0 dBm −11.0 dBm −11.0 dBm −11.0 dBm
Receiver Sensitivity
(P
Rmin
)
†‡
−27.0 dBm −27.0 dBm −27.0 dBm −27.0 dBm −27.0 dBm −27.0 dBm −27.0 dBm −27.0 dBm
MinimumSystemGain
(S-R)
22.8 dB 20.2dB 19.0 dB 18.0 dB 17.4 dB 16.9 dB 16.7 dB 17.6 dB
Optical Path Penalty
Penalty (P
O
)
2dB 2dB 2dB 2dB 2dB 2dB 2dB 2dB
Maximum Loss Budget 22.3 dB 19.7 dB 18.5 dB 17.5 dB 16.9 dB 16.4 dB 16.2 dB 17.1 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 10.0 dB 10.0 dB 10.0 dB 10.0 dB 10.0 dB
Typical Maximum
Distance
¶
¶ These distances are based on an assumption of 0.25 dB/km loss, including fiber loss and splice loss.
89.2 km 78.8 km 74.0 km 70.0 km 67.6 km 65.6 km 64.8 km 68.4 km
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