Extreme Networks e" series, Hardware Installation Manual

Page: 55 / 394

Planning for Optical Budgets
Extreme Networks Consolidated "e" and "i" Series Hardware Installation Guide 55
Figure 14: Total optical system budgets for long range GBICs
The ZX mini-GBIC is equivalent to the ZX Rev 03 GBIC.
Table 10 lists the minimum attenuations that are required by each long range GBIC to prevent saturation
of the receiver.
The ZX mini-GBIC is equivalent to the ZX Rev 03 GBIC.
Table 10: Minimum attenuation requirements
Receivers
GBIC Type LX70
ZX (before
Rev 03)
ZX Rev 03 LX100
LX70 10 dB 10 dB 10 dB 11 dB
Transceivers ZX (before
Rev 03) 0 dB 0 dB 0 dB 8 dB
ZX Rev 03 8 dB 8 dB 8 dB 9 dB
LX100 11 dB 11 dB 11 dB 12 dB
XM_041
ZX GBIC
ZX GBIC
Rev. 03
ZX GBIC
Rev. 03
ZX GBIC
Rev. 03
21.0 dB
19.5 dB
ZX GBIC ZX GBIC
LX70 LX70
18.0 dB
23.5 dB
ZX GBIC LX70
29.0 dB
23.0 dB
19.0 dB
21.5 dB
23.0 dB
20.0 dB
LX70 LX100
LX100
LX100
30.0 dB
ZX GBIC
ZX GBIC
Rev. 03
LX100 LX100
25.0 dB
24.5 dB
27.0 dB
24.0 dB
LX70
ZX GBIC
Rev. 03
22.0 dB