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Negotiation to 1 Gbps is
not
supported. Since 8 and 16 Gbps equipment is more
sensitive, the existing cable plant may require additional attention to cable care
after upgrading from 2 or 4 Gbps fibre. In a few cases, the Tx power of the switch
can be higher than the connected equipment. In nearly all of those cases, there is
enough attenuation in the existing cable plant so as not to require additional
attenuation. The common 2 Gbps SFP Rx maximum power levels are listed in
Table 18 and can be used as a quick method to relieve concerns of over saturation.
Table 18. Maximum receive power of 2 Gbps LWL SFPs
Vendor
Part number
Description
Max Receive Power
(dB)
Avago
AFCT-57M5ATPZ
2 Gbps 10 km SFP
-3 dB
Finisar
FTLF1319P1xTL
2 Gbps 10 km SFP
0 dB
Finisar
FTRJ1319P1xTL
2 Gbps 10 km SFP
0 dB
JDSU
JSH-12L1DD1
2 Gbps 10 km SFP
1 dB
Hitachi Cable
HTR6517
2 Gbps 10 km SFP
-3 dB
Optoway
SPS-9110FG
2 Gbps 10 km SFP
-3 dB
Optoway
SPS-9110AFG
2 Gbps 10 km SFP
-3 dB
JDSU
JSH-21L3AR3
2 Gbps 10 km SFP
1 dB
E20
ES212-LP3TA
2 Gbps 10 km SFP
-3 dB
46
SAN48B-5 Installation, Service, and User Guide
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Summary of Contents for SAN48B-5
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Page 84: ... Part Number 98Y5384 Printed in USA GA32 0895 03 1P P N 98Y5384 ...