HFBR-5107 Ver la hoja de datos (PDF) - HP => Agilent Technologies

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HFBR-5107

100VG-AnyLAN Multimode Fiber Transceivers in Low Cost 1x9 Package Style

HP => Agilent Technologies 

normally associated with these

technologies in the industry. The

Industry convention is 3 dB aging

for 800 nm and 1.5 dB for 1300

nm LEDs. The HP LEDs will

normally experience less than

1 dB of aging over normal com-

mercial equipment mission life

periods. Contact your

Hewlett-Packard sales repre-

sentatives for additional details.

Figure 4 was generated with a

Hewlett-Packard fiber optic link

module containing the current

industry conventions for fiber

cable specifications and the

100VG-AnyLAN Optical Param-

eters. These parameters are

reflected in the guaranteed

performance of the transceiver

specifications in this data sheet.

This same model has been used

extensively in the ANSI X3T and

IEEE committees, including the

ANSI X3T12 committee, to

establish the optical performance

requirements for various fiber

optic interface standards. The

cable parameters used come from

the ISO/IEC JTCI/SC 25/WG3

Generic Cabling for Customer

Premises per DIS 11801

document and the EIA/TIA568-A

Commercial Building Telecom-

munications Cabling Standard per

SP-2840.

Transceiver Signaling

Operating Rate Range

and BER Performance

For purposes of definition, the

symbol (Baud) rate, also called

signaling rate, is the reciprocal of

the shortest symbol time. Data

rate (bits/sec) is the symbol rate

divided by the encoding factor

used to encode the data

(symbols/bit).

When used in 100VG AnyLAN

100 Mbps applications, the

performance of the 1300 nm

transceiver is guaranteed over the

signaling rate of 10 MBd to

120 MBd to the full conditions

listed in the individual product

specification tables.

The transceivers may be used for

other applications at signaling

rates outside of the 10 MBd to

120 MBd range with some

penalty in the link optical power

budget primarily caused by a

reduction of receiver sensitivity.

Figure 5 gives an indication of

the typical performance of these

1300 nm products at different

rates.

These transceivers can also be

used for applications which

require different Bit Error Rate

(BER) performance. Figure 6

illustrates the typical trade-off

between link BER and the

receivers input optical power

level.

Table 1 lists the hub control

signals defined in IEEE 802.12,

section 18.5.4.1. These signal

rates are below 10 MBd but they

are transported with adequate

accuracy for hub access control.

Transceiver Jitter

Performance

The Hewlett-Packard 1300 nm

transceivers are designed to

operate per the system interface

jitter specifications listed in Table

27 of section 18.9. of the IEEE

802.12 (100VG-AnyLAN

standards).

14

12

HFBR-5106, 62.5/125 µm

10

HFBR-5107,

62.5/125 µm

8

6

HFBR-5107,

4

50/125 µm

2

HFBR-5106,

50/125 µm

0

0.15 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

FIBER OPTIC CABLE LENGTH (km)

Figure 4. Optical Power Budget at

BOL vs. Fiber Optic Cable Length.

154

3.0

1 x 10-2

2.5

1 x 10-3

2.0

HFBR-510X

1 x 10-4

1.5

1.0

0.5

0

0 25 50 75 100 125 150 175 200

1 x 10-5

1 x 10-6

1 x 10-7

1 x 10-8

2.5 x 10-10

1 x 10-11

1 x 10-12

-6 -4

CENTER OF SYMBOL

-2

0

2

4

SIGNAL RATE (MBd)

RELATIVE INPUT OPTICAL POWER – dB

CONDITIONS:

1. PRBS 27-1

2. DATA SAMPLED AT CENTER OF

DATA SYMBOL.

3. BER = 10-6

4. TA = 25° C

5. VCC = 5 Vdc

6. INPUT OPTICAL RISE/FALL TIMES = 1.0/2.1 ns.

CONDITIONS:

1. 125 MBd

2. PRBS 27-1

3. CENTER OF SYMBOL SAMPLING.

4. TA = 25° C

5. VCC = 5 Vdc

6. INPUT OPTICAL RISE/FALL TIMES

= 1.0/2.1 ns.

Figure 5. Transceiver Relative Optical

Power Budget at Constant BER vs.

Signaling Rate.

Figure 6. Bit Error Rate vs. Relative

Receiver Input Optical Power.

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