HFBR-2119T Ver la hoja de datos (PDF) - HP => Agilent Technologies
Número de pieza
componentes Descripción
Fabricante
HFBR-2119T Datasheet PDF : 11 Pages
| |||
OPTICAL PORT
OPTICAL PORT
NC
GND
VCC
VCC
GND
DATA
DATA
NC
9
8
10
7
11
6
12
5
13
4
14
3
15
2
16
1
NC
NO PIN
GND
GND
GND
GND
VBB
NC
TRANSMITTER
Figure 3. Pinout Drawing.
NC
NO PIN
GND
GND
GND
SD
SD
NO PIN
9
8
10
7
11
6
12
5
13
4
14
3
15
2
16
1
RECEIVER
NC
GND
VCC
VCC
VCC
DATA
DATA
NC
8
7
6
5
62.5/125 µm
4
3
2
50/125 µm
1
0
0
0.5
1
1.5
2
FIBER OPTIC CABLE LENGTH – km
Figure 4. Optical Power Budget at
BOL vs. Fiber Optic Cable Length.
Each transmitter and receiver
package includes an internal shield
for the electrical subassembly to
ensure low EMI emissions and high
immunity to external EMI fields.
The outer housing, including the
ST* port, is molded of filled, non-
conductive plastic to provide
mechanical strength and electrical
isolation. For other port styles,
please contact your Hewlett-
Packard Sales Representative.
Each data-link module is attached
to a printed circuit board via the
16-pin DIP interface. Pins 8 and 9
provide mechanical strength for
these plastic-port devices and will
provide port-ground for forthcom-
ing metal-port modules.
Application Information
The Applications Engineering
group of the Optical Communi-
cation Division is available to assist
you with the technical understand-
ing and design tradeoffs associated
with these transmitter and receiver
modules. 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.
Transmitter and Receiver
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-
mitter and receiver specified in this
data sheet at the Beginning of Life
(BOL). This curve represents the
attenuation and chromatic plus
modal dispersion losses associated
with 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.
*ST is a registered trademark of AT&T Lightguide Cable Connectors.
Hewlett-Packard LED technology
has produced 1300 nm LED
devices with lower aging character-
istics 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 commercial equipment
mission-life periods. Contact your
Hewlett-Packard sales represen-
tative 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 Fibre
Channel optical parameters. These
parameters are reflected in the
guaranteed performance of the
transmitter and receiver specifica-
tions 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/
202
Share Link: 