Extreme 3802 Hardware Manual
36
Extreme Networks Consolidated Hardware Guide
Summary of Common Switch Features
Figure 2: Total optical system budgets for long range GBICs
Table 14 lists the minimum attenuations that are required by each long range GBIC to prevent saturation
of the receiver.
of the receiver.
Safety Information
Before you install or replace a GBIC, read the safety information in this section.
CAUTION
GBICs can emit invisible laser radiation. Avoid direct eye exposure to beam.
GBICs are class 1 laser devices, and they operate at 5 V. Use only Extreme-approved devices.
Remove the SC fiber-optic or the RJ-45 connector from the GBIC prior to removing the GBIC from the
I/O module or the switch.
I/O module or the switch.
Table 14: Minimum attenuation requirements
Receivers
GBIC Type
LX70
ZX (prior to
Rev 03)
Rev 03)
ZX Rev 03
LX100
LX70
10 dB
10 dB
10 dB
11 dB
Transceivers
ZX (prior to
Rev 03)
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