Finisar 10GBASE-LRM X2, Specification Sheet, Page: 6 / 10

FTLX1341E2 Product Specification – October 2008
©
Finisar Corporation – October 2008 Rev B Page 6
Electrical AC Characteristics
(
V
CC5
= 4.75 V to 5.25 V,
V
CC3
= 3.14 V to 3.47 V,
V
CC aps
= 1.152 V to 1.248 V,
T
C
= 0°C to 70°C)
Values
Parameter Symbol
min. typ. max. Unit
XAUI Input AC Characteristics (TXLANE[0..3])
Baud Rate
Ethernet
R
XAUIIN
3.125
Gbit/s
Baud Rate Tolerance
R
TOLXAUI
–100 100 ppm
Differential Input Impedance
Z
INXAUI
80 100 120 Ω
Differential Return Loss
1)
|S
11
|
10 dB
Input Differential Skew
2)
t
SKEWIN
75 ps
Jitter Amplitude Tolerance
3)
J
XAUITOL
0.65 UI
p-p
XAUI Output AC Characteristics (RXLANE[0..3])
Baud Rate
Ethernet
R
XAUIOUT
3.125
Gbit/s
Baud Rate Variation
R
XAUIVAR
–100 100 ppm
XAUI Eye Mask (far-end) According to IEEE 802.3ae
Output Differential Impedance
Z
OUTXAUI
80 100 120 Ω
Differential Output Return Loss
1)
|S
22
|
10 dB
1)
100 MHz to 2.5 GHz.
2)
At crossing point.
3)
Per IEEE Std 802.3ae.
IV. Optical Characteristics
RMS Spectral Width Mask
Figure 2-Transmitter Maximum RMS Spectral Width