Extreme Networks WM-4T1i Dokumentacja Strona 38

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1-12 Extreme Networks Consolidated Hardware Guide
Summary of Common Switch Features
Do not use ZX or LX70 GBICs with the 1000BASE LX GBIC. The 1000BASE LX GBIC
uses a wavelength of 1310 nm. The ZX and LX70 GBIC receivers are not specified to
operate at this wavelength. Do not use the LX70 GBIC with the ZX GBIC.
Note: The fiber loss budget plus all other penalties must not exceed the total
system budget.
Figure 1-2: Maximum budget for GBIC link partners
Figure 1-3 shows the total optical system budget between older ZX GBICs and the ZX
GBIC Rev 03.
Figure 1-3: ZX GBIC optical system budget
XM_001
19.5 dB
19.5 dB
ZX GBIC ZX GBIC
22 dB
22 dB
LX70 LX70
18 dB
23.5 dB
ZX GBIC LX70
XM_038
19.5 dBm
ZX GBIC ZX GBIC
ZX GBIC
ZX GBIC
Rev. 03
ZX GBIC
Rev. 03
ZX GBIC
Rev. 03
19.0 dBm
21.0 dBm
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