Transcript ppt00033.ppt

Draft Launch
Recommendations
rev 0.0
(straw man/placeholder)
task 2 and task 4
15 Dec 04 jpk
1
Launch section of Table 68–3—10GBASE-LRM transmit characteristics
Straw man/placeholder
Link type
Recommended
launch
Launch test
1a
Launch for OM1
20um OSL
TBD
TP2 Encircled
> 86 % in 24 µm radius
flux specification < 30 % in 4.5 µm radius
1b
Alternative
Launch for OM1
Centre launch
TBD
TP2 Encircled
> 86 % in 5 µm radius
flux specification
2
Launch for OM2
Centre launch
TBD
TP2 Encircled
> 86 % in 5 µm radius
flux specification TBD
3
Launch for OM3
Centre launch
TP2 Encircled
> 86 % in 5 µm radius
flux specification TBD
4
'Universal launch'
TBD
for OM1, OM2, OM3
TBD
TBD
5
Launch test at
transponder ?
Coupled power
ratio at TP1
CP multi-mode <1.5dB
CP single-mode
15 Dec 04 jpk
Test Criteria
Note: all values TBD
2