11
Notes:
1. IEEE 802.3.
2. Max. Pout is the lesser of 0 dBm or Maximum allowable per Eye Safety Standard.
3. 50/125 µm fiber with NA = 0.2, 62.5/125 µm fiber with NA = 0.275.
4. ANSIX3.230 (FC-PI).
Figure 5a. Gigabit Ethernet transmitter eye mask diagram Figure 5b. Typical AFBR-570xZ eye mask diagram
Table 6. Transmitter Optical Characteristics
Parameter Symbol Minimum Typical Maximum Unit Notes
Output Optical Power (Average) P
OUT
-9.5 -6.5 -3 dBm 1,2,3
Optical Extinction Ratio ER 9 12 dB 1
Center Wavelength
λ
C
830 850 860 nm 1
Spectral Width - rms
σ
0.85 nm 1
Optical Rise/Fall Time (1.25GBd) T
RISE/FALL
150 260 ps 1
Optical Rise/Fall Time (1.0625GBd) T
RISE/FALL
150 300 ps 1,4
Relative Intensity Noise RIN -117 dB/Hz 1
Total Jitter
(TP1 to TP2 Contribution 1.25 GBd)
TJ 227 ps 1
0.284 UI 1
(TP1 to TP2 contribution 1.0625 GBd) 252 ps 4
0.267 UI 4
Deterministic Jitter
(TP1 to TP2 Contribution 1.0625 GBd)
DJ 85 ps 4
0.09 UI 4
Pout TX_DISABLE Assorted P
OFF
-35 dBm 1
Optical Modulation Amplitude OMA 156
µW
4
80
50
20
0 22 37.5 78
NORMALIZED TIME (% OF UNIT INTERVAL)
NORMALIZED AMPLITUDE (%)
100
100
0
130
62.5
–20
0.80
0.50
0.20
1.00
0
1.30
–0.20
NORMALIZED AMPLITUDE
0 0.22 0.375 0.78 1.00.625
NORMALIZED TIME (UNIT INTERVAL)