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Configuring I/O Modules
Extreme Networks Consolidated Hardware Guide
253
Extreme Networks recommends that you reserve 3 dB for losses due to cable splices, connectors, and
operating margin. Table 76 describes the cable attenuation, cable budget, and operating distance for a
variety of cable attentuation ratings for the WDMi module
A minimum of 2 dB attenuation is required to prevent saturation of the receiver.
LEDs
The WDMi module has the following LEDs:
•
Module status
•
Channel status
For information about the LEDs and their activity on the WDMi module, see “I/O Module LEDs” on
page 277.
Software Requirements
The WDMi module requires that you load ExtremeWare version 6.1.5 or later on the switch.
Optical input power maximum
-1 dBm
Fiber Optic Cable
Back reflection
-25 dB
Table 76: WDMi maximum transmit distances
Cable Attenuation
Cable Budget
Maximum Distance
0.20 dB/km
9 dB
45 km
0.25 dB/km
9 dB
36 km
0.30 dB/km
9 dB
30 km
Table 75: WDMi optical interface specifications (continued)
Parameter
Minimum
Typical
Maximum
Содержание Alpine 3802
Страница 17: ...Part 1 Common Features ...
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Страница 32: ...32 Extreme Networks Consolidated Hardware Guide Summary of Common Switch Features ...
Страница 33: ...Part 2 Site Planning ...
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Страница 56: ...56 Extreme Networks Consolidated Hardware Guide Site Preparation ...
Страница 57: ...Part 3 Summit Switch ...
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Страница 104: ...104 Extreme Networks Consolidated Hardware Guide Summit Switch Models ...
Страница 114: ...114 Extreme Networks Consolidated Hardware Guide Summit Switch Installation ...
Страница 115: ...Part 4 Alpine Switch ...
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Страница 122: ...122 Extreme Networks Consolidated Hardware Guide Alpine 3800 Series Switch Overview ...
Страница 152: ...152 Extreme Networks Consolidated Hardware Guide Alpine 3800 Series Switch Power Supplies ...
Страница 158: ...158 Extreme Networks Consolidated Hardware Guide Alpine 3800 Series Switch Management Module ...
Страница 188: ...188 Extreme Networks Consolidated Hardware Guide Alpine 3800 Series I O Modules ...
Страница 194: ...194 Extreme Networks Consolidated Hardware Guide Alpine 3800 Series Switch Fan Tray ...
Страница 195: ...Part 5 BlackDiamond Switch ...
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Страница 202: ...202 Extreme Networks Consolidated Hardware Guide BlackDiamond 6800 Series Switch Overview ...
Страница 218: ...218 Extreme Networks Consolidated Hardware Guide BlackDiamond 6800 Series Switch Chassis ...
Страница 232: ...232 Extreme Networks Consolidated Hardware Guide BlackDiamond 6800 Series Switch Power Supplies ...
Страница 282: ...282 Extreme Networks Consolidated Hardware Guide BlackDiamond 6800 Series I O Modules ...
Страница 290: ...290 Extreme Networks Consolidated Hardware Guide BlackDiamond 6800 Series Switch Fan Tray ...
Страница 291: ...Part 6 Switch Operation ...
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Страница 296: ...296 Extreme Networks Consolidated Hardware Guide Initial Switch and Management Access ...
Страница 297: ...Part 7 Appendixes ...
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Страница 340: ...340 Extreme Networks Consolidated Hardware Guide Module Technical Specifications ...