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PDF HFBR-5113 Data sheet ( Hoja de datos )
| Número de pieza | HFBR-5113 | |
| Descripción | Low Cost/ Industry Standard FDDI MIC Transceivers | |
| Fabricantes | Agilent(Hewlett-Packard) | |
| Logotipo | .gif "Agilent(Hewlett-Packard)"){kind=logo} |
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Low Cost, Industry Standard
FDDI MIC Transceivers
Technical Data
HFBR-5111 (2x11)
HFBR-5112 (Narrow 1x13)
HFBR-5113 (Standard 1x13)
Features
• Full Compliance with the
FDDI PMD Standard
• Full Compliance with the
Optical Performance
Requirements of the ATM
100 Mbps Physical Layer
• Full Compliance with the
Optical Performance
Requirements of the Fast
Ethernet Physical Layer
• Multisourced Package Style
with:
- 2x11 or 1x13 Pin
Configuration
- MIC Receptacle
- Field Changeable Keying
• Wave Solder and Aqueous
Wash Process Compatible
Package
• Internal Shielding for Low
EMI Emissions and High
EMI Immunity
• Single +5V Power Supply
• Shifted ECL Logic Interface
Directly Compatible with
FDDI PHY Circuits
• Manufactured in an ISO
9001 Certified Facility
Applications
• FDDI Concentrators,
Bridges, Routers, and
Network Interface Cards
• 100 Mbps ATM Interfaces
• Fast Ethernet Interfaces
92
• Point-to-Point Data
Communications
• Replaces DLX2012-FD and
DLX2020-FD Model
Transceivers
Description
The HFBR-511X family of trans-
ceivers from Hewlett-Packard
consists of high performance,
cost effective modules for optical
data communication applications
at the 100 Mbps/125 MBd rate.
The transceivers feature full
compliance with the Fiber
Distributed Data Interface (FDDI)
Physical Media Dependent (PMD)
standard. This standard has been
approved as an International
Standard, ISO/IEC 9314-3, and
an American National Standard,
ANSI X3.166 - 1990. The HFBR-
5111 represents the 2x11
package style. The “2x11”
denotes two rows of eleven pins.
The HFBR-5112 and HFBR-5113
represent the Narrow and
Standard 1x13 package styles,
respectively. The “1x13” denotes
one row of thirteen pins.
The modules are designed for 50
or 62.5 µm core multimode
optical fiber and operate at a
nominal wavelength of 1300 nm.
Each transceiver incorporates
our high-performance, reliable,
long-wavelength optical devices
and proven circuit technology to
give long life and consistent
performance.
The transceivers are optimized
for 125 MBd operation but can be
used over a wide range of signal
rates. The transceivers are
guaranteed to meet FDDI PMD
specifications when used within
the operating conditions specified
in this document.
These HFBR-511X Series trans-
ceivers are also useful for both
ATM 100 Mbps interfaces and
Fast Ethernet 100 Base-FX
interfaces. The ATM Forum User-
Network Interface (UNI)
Standard, Version 3.0, defines the
Physical Layer for 100 Mbps
Multimode Fiber Interface for
ATM in Section 2.3 to be the
5964-9019E (2/96)
1 page  
14
12
62.5/125 µm
10
8
6
50/125 µm
4
2
0
0 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.
standing and design trade-offs
associated with this transceiver.
You can contact them through
your Hewlett-Packard sales
representative.
The following information is
provided to answer some of the
most common questions about
the use of these parts.
Transceiver Optical Power
Budget versus Link Length
The Optical Power Budget (OPB)
is the available optical power for
a fiber-optic link to accommodate
fiber cable losses plus losses due
to in-line connectors, splices,
optical switches, and to provide
margin for link aging and
unplanned losses due to cable
plant reconfiguration or repair.
Figure 4 illustrates the predicted
OPB associated with the trans-
ceivers specified in this data
sheet at the Beginning of Life
(BOL). This curve represents the
attenuation and chromatic plus
modal dispersion losses
associated with the 62.5/125 µm
and 50/125 µm fiber cables only.
The area under the curve
represents the remaining OPB at
any link length, which is available
for overcoming non-fiber cable
related losses.
Hewlett-Packard LED technology
has produced 1300 nm LED
devices with lower aging charac-
teristics than normally associated
with these technologies in the
industry. The industry convention
is 1.5 dB aging for 1300 nm
LEDs, however HP 1300 nm
LEDs will experience less than 1
dB of aging over normal commer-
cial equipment mission life
periods. Contact your Hewlett-
Packard sales representative for
additional details.
Figure 4 was generated with a
Hewlett-Packard fiber-optic link
model containing the current
industry conventions for fiber
cable specifications and the FDDI
PMD optical parameters. 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
and IEEE committees, including
the ANSI X3T9.5 committee, to
establish the optical performance
requirements for various fiber-
optic interface standards. The
cable parameters used come from
the ISO/IEC JTC1/SC 25/WG3
Generic Cabling for Customer
Premises per DIS 11801
document and the EIA/TIA-568-A
Commercial Building Telecom-
munications Cabling Standard per
SP-2840.
Transceiver Signaling
Operating Rate Range and
BER Performance
For purposes of definition, the
symbol rate (Baud), also called
signaling rate, is the reciprocal of
the 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 FDDI 100 Mbps
applications, the performance of
the 1300 nm transceivers is
guaranteed over the signaling
rate of 10 MBd to 125 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
125 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
receiver’s input optical power
level.
3.0
2.5
2.0
1.5
1.0
0.5
0
0 25 50 75 100 125 150 175 200
SIGNAL RATE (MBd)
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.
Figure 5. Transceiver Relative
Optical Power Budget at Constant
BER vs. Signaling Rate.
96
5 Page 
1.25
1.025
1.00
0.975
0.90
0.50
4.40
1.975
0.075
10.0
5.6
100% TIME
INTERVAL
40 ± 0.7
± 0.725
± 0.725
4.850
1.525
0.525
0.10
0.025
0.0
-0.025
-0.05
0% TIME
INTERVAL
10.0
5.6
1.525
0.525
4.850
80 ± 500 ppm
TIME – ns
0.075
1.975
4.40
THE HFBR-511X OUTPUT OPTICAL PULSE SHAPE FITS WITHIN THE BOUNDARIES
OF THE PULSE ENVELOPE FOR RISE AND FALL TIME MEASUREMENTS.
Figure 10. Output Optical Pulse Envelope.
5
4
3 2.5 x 10-10 BER
2
1.0 x 10-12 BER
1
0
-4 -3 -2 -1 0 1 2 3 4
EYE SAMPLING TIME POSITION (ns)
CONDITIONS:
1.TA = 25° C
2. VCC = 5 Vdc
3. INPUT OPTICAL RISE/FALL TIMES = 1.0/2.1 ns.
4. INPUT OPTICAL POWER IS NORMALIZED TO
CENTER OF DATA SYMBOL.
5. NOTE 20 AND 21 APPLY.
Figure 11. Relative Input Optical
Power vs. Eye Sampling Time
Position.
-31.0 dBm
-45.0 dBm
PA (PO + 1.5 dB
< PA < -31.0 dBm)
INPUT OPTICAL POWER
(> 1.5 dB STEP INCREASE)
MIN (PO + 4.0 dB OR -31.0 dBm)
PO = MAX (PS OR -45.0 dBm)
(PS = INPUT POWER FOR BER < 102)
INPUT OPTICAL POWER
(> 4.0 dB STEP DECREASE)
SIGNAL – DETECT (ON)
SIGNAL – DETECT (OFF)
AS – MAX
ANS – MAX
TIME
AS – MAX — MAXIMUM ACQUISITION TIME (SIGNAL).
AS – MAX IS THE MAXIMUM SIGNAL – DETECT ASSERTION TIME FOR THE STATION.
AS – MAX SHALL NOT EXCEED 100.0 µs. THE DEFAULT VALUE OF AS – MAX IS 100.0 µs.
ANS – MAX — MAXIMUM ACQUISITION TIME (NO SIGNAL).
ANS – MAX IS THE MAXIMUM SIGNAL – DETECT DEASSERTION TIME FOR THE STATION.
ANS – MAX SHALL NOT EXCEED 350 µs. THE DEFAULT VALUE OF AS – MAX IS 350 µs.
Figure 12. Signal Detect Thresholds and Timing.
102
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet HFBR-5113.PDF ] | |
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