Approved Optics Approved 3COM 3CXFP94 - Manual (Page 4)

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3CXFP94-A
XFP, 10GBASE-SR 10G Ethernet Module
850nm, 300m, MMF, LC RoHS6
Output AC Common Mode
Voltage
15
mV
(RMS)
1) SDD22(dB)=8-20.66 log10(f15.5) with fin GHz
2) Common mode reference impedance i s 2
Ω . Common mode return loss helps
absorb reflection and noise improving EMI.
High Speed Line Input-DC Characteristics
Parameter Conditions Symbol Min Typ Max Units
Differential Output Impedance R
IND
80 100 120 Ω
Input AC Common Mode Input Voltage 0 25
mV
(RMS)
Source to Sink DC Potential Difference V
CM
0 3.6 V
High Speed Line Input-AC Characteristics
Parameter Conditions Symbol Min Typ Max Units
Differential input Voltage
Swing
V
ID
120
(See2)
mV
Differential Return Loss
0.05—0.1GHz
0.1—5.5GHz
5.5—12GHz
SDD 11
20
8
(See1)
dB
Common Mode Return Loss 0.1—15GHz SCC 11 3 dB
Total Jitter T
j
TBD UI
1) SDD11(dB)=8-20.66 log10(f15.5) with f in GHz
2) Beneath this level the signal can’t meet the specification Optical Characteristics