Table 2-3 provides the transmit optical power ranges and required receiver optical power budget levels for the 10BASE-FB Modules.

Table 2-3. ONline 10BASE-FB Module Optical Power Budget: Normal Power

 

 

 

 

Link

Link Loss

Cable

Transmit

Receive

Optical

Loss

Required

Size

Power

Power

Power

Required

(dB)

Used

Range

Range

Budget

(dB)

(ONline to

(micron)

(dBm)

(dBm)

(dB)

(ONline to

10BASE-FB)

 

 

 

 

ONline)

 

 

 

 

 

 

 

 

 

 

 

50/125

-21.5 ±

-8.0 to

5.5

None

None

NA

3.0

-30.0

 

 

 

0.20

 

 

 

 

 

 

 

 

 

 

 

62.5/125

-17.0 ±3.0

-8.0 to

10.0

None

None

NA

 

-30.0

 

 

 

0.275

 

 

 

 

 

 

 

 

 

 

 

85/125

-14.0 ±

-8.0 to

13.0

None

>3.0

NA

3.0

-30.0

 

 

 

0.29

 

 

 

 

 

 

 

 

 

 

 

100/140

-11.5 ±3.0

-8.0 to

15.5

None

>5.5

NA

 

-30.0

 

 

 

0.29

 

 

 

 

 

 

 

 

 

 

 

Table 2-4 provides 10BASE-FB Module optical power budget values for high power.

2 - 8 ONline Ethernet 10BASE-FB Module Installation and Operation Guide

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3Com 510M-FBP, 5102M-FBP, 5104M-FB1 ONline 10BASE-FB Module Optical Power Budget Normal Power, Link Link Loss, DBm