Safety Information; Total Optical System Budgets For Long Range Gbics - Extreme Networks Alpine 3804 Hardware Manual

Summary of Common Switch Features
Figure 2: Total optical system budgets for long range GBICs
19.5 dB
ZX GBIC
22.0 dB
LX70
23.0 dB
LX70
20.0 dB
18.0 dB
ZX GBIC
23.5 dB
19.0 dB
ZX GBIC
21.5 dB
Table 14 lists the minimum attenuations that are required by each long range GBIC to prevent saturation
of the receiver.
Table 14: Minimum attenuation requirements
GBIC Type
LX70
Transceivers ZX (prior to
Rev 03)
ZX Rev 03
LX100

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.
36
ZX GBIC
ZX GBIC
Rev. 03
LX70 LX100
ZX GBIC
LX70
Rev. 03
LX70 ZX GBIC
ZX GBIC ZX GBIC
Rev. 03
Rev. 03
Receivers
ZX (prior to
LX70 Rev 03)
10 dB 10 dB
0 dB 0 dB
8 dB 8 dB
11 dB 11 dB
ZX GBIC
21.0 dB
30.0 dB
29.0 dB
23.0 dB
25.0 dB
24.5 dB
27.0 dB
24.0 dB
ZX Rev 03 LX100
10 dB 11 dB
0 dB 8 dB
8 dB 9 dB
11 dB 12 dB
Rev. 03
LX100
LX100
LX100
LX100
XM_041
Extreme Networks Consolidated Hardware Guide