Fiber Budget

Table A-1 Module Specifications (Continued)

Item

Specification

 

 

Physical

 

 

 

Dimensions

7.11H x 43.18W x 46.99D (cm)

 

2.8H x 17W x 18.5D (in)

Approximate Weight (Unit)

2.04 kg (4.5 lb)

MTBF (Predicted)

 

6H308-24

220,759 hours

6H308-48

213,814 hours

 

 

Environmental

 

 

 

Operating Temperature

5°C to 40°C (41°F to 104°F)

Storage Temperature

-30°C to 73°C (-22°F to 164°F)

Operating Relative Humidity

5% to 90% (non-condensing)

 

 

A.2 FIBER BUDGET

When using fiber optic cables, it is important to consider the cable type and the associated dB budgets shown in Table A-2.

Table A-2 Transmitter Power (1300 nm)

Cable Type

Worst Case Budget

Typical Budget

 

 

 

50/125 m Fiber

6.0 dB

9.0 dB

 

 

 

62.5/125 m Fiber

9.0 dB

12.0 dB

 

 

 

100/140 m Fiber

15.0 dB

18.0 dB

 

 

 

A-2Specifications

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Enterasys Networks 6H308-24, 6H308-48 manual Fiber Budget, Physical