ZXA10 S300 (V1.1) Integrated Access Service Dispatching Unit Technical Manual
40 Confidential and Proprietary Information of ZTE CORPORATION
(maximum)
Mean optical
transmitting power
(maximum)
-3 dBm
Mean optical
transmitting power
(minimum)
-11.5 -11.5 -11
Mean optical
transmitting power
when the transmitter is
OFF (maximum)
-30 dBm
Extinction ratio
(minimum)
9 dB dBm
RIN (maximum) -120 dB/Hz
Coupling power ratio
(CPR)(minimum)
28 < CPR <
40
12 < CPR <
20
N/A dB
Note: For the MMF mode, a segment of SMF mode is required to adjust the fiber
pigtail.
Table 18 lists the requirements of receiving of the 1000Base-
LX interface.
TABLE 18 − RECEIVING REQUIREMENTS OF 1000BASE-LX INTERFACE
Item
62.5 μmMMF
50 μmMMF 10 μmLMF
Unit
Signaling rate (range)
1.25 ± 100 ppm
GBd
Wavelength (λ ?, range):
1,270 ~ 1,355 nm
Mean optical receiving
power (maximum)
-3 dBm
Receiving sensitivity -19 dBm
Return loss (minimum) 12 dB
Enhanced receiving
sensitivity (maximum)
-14.4 dBm
Vertical eye pattern close
cost
2.6 dB
3dB high-end cutoff
frequency of electrical
receiving signal
(maximum)
1,500 MHz
1000Base-SX and 1000Base-LX Jitter Specification
Table 19 describes the jitter specification of 1000Base-SX
and 1000Base-LX.
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