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PDF V23848-N15-C56 Data sheet ( Hoja de datos )

Número de pieza V23848-N15-C56
Descripción iSFP-Intelligent Small Form-factor Pluggable SONET OC-48 SR-1 / SDH STM I-16 Multirate Applications up to 2.67 Gbit/s
Fabricantes Infineon Technologies 
Logotipo Infineon Technologies Logotipo



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Fiber Optics
iSFP™ - Intelligent Small Form-factor Pluggable
V23848-N15-C56
SONET OC-48 SR-1 / SDH STM I-16
V23848-N15-C456
Multirate Applications up to 2.67 Gbit/s
Single Mode 1310 nm Transceiver with LC™ Connector
Preliminary Data Sheet
Features
• Small Form-factor Pluggable (SFP) MSA compatible
transceiver1)
• Fully SFF-8472 compatible
• Incorporating Intelligent – Digital Diagnostic
Monitoring Interface
• Internal calibration implementation
• Advanced release mechanism
• Easy access, even in belly to belly applications
File: 1132
• Wire handle release for simplicity
• Color coded blue tab (single mode)
• PCI height compatible
• Excellent EMI performance
• Common ground concept
• RJ-45 style LC™ connector system
• Single power supply (3.3 V)
• Low power consumption
• Small size for high channel density
• UL-94 V-0 certified
File: 1133
• ESD Class 1C per JESD22-A114-B (MIL-STD 883D Method 3015.7)
• According to FCC (Class B) and EN 55022
• For distances of up to 12 km (see Supported Link Lengths)
• Fabry Perot laser, PIN photo diode
• Laser safety according to Class 1 FDA and IEC
• AC/AC Coupling according to MSA
• Suitable for multirate applications up to 2.67 Gbit/s
• Extended operating temperature range of –40°C to 85°C
• SFP evaluation kit V23848-S5-V4 available upon request
• A press fit cage and cage plugs are available as accessory products from Infineon
(see SFP Accessories)
1) MSA documentation can be found at www.infineon.com/fiberoptics under Transceivers, SFP Transceivers.
For ordering information see next page.
iSFP™ is a trademark of Infineon Technologies. LC™ is a trademark of Lucent.
Preliminary Product Information
1
2004-06-22

1 page




V23848-N15-C56 pdf
V23848-N15-C56
V23848-N15-C456
Description
Functional Description of iSFP™ Transceiver
This transceiver is designed to transmit serial data via single mode cable.
Tx Fault
Tx Disable
TD+
TD
RD+
RD
LOS
MOD-DEF(2)
MOD-DEF(1)
Automatic
Shut-Down
Laser
Driver
Tx Coupling Unit
e/o
Laser
Power
Control
Monitor
Limiting
Amp
o/e
Rx Coupling Unit
TIA o/e
Single Mode Fiber
Digital Diagnostic
Monitoring Interface
EEPROM
Alarm and
Warning Flags
File: 1354
Figure 2 Functional Diagram
The receiver component converts the optical serial data into CML compatible electrical
data (RD+ and RD–). The Loss Of Signal (LOS) shows whether an optical signal is
present.
The transmitter converts CML compatible electrical serial data (TD+ and TD–) into
optical serial data. Data lines are differentially 100 terminated.
The transmitter contains a laser driver circuit that drives the modulation and bias current
of the laser diode. The currents are controlled by a power control circuit to guarantee
constant output power of the laser over temperature and aging. The power control uses
the output of the monitor PIN diode (mechanically built into the laser coupling unit) as a
controlling signal, to prevent the laser power from exceeding the operating limits.
Single fault condition is ensured by means of an integrated automatic shutdown circuit
that disables the laser when it detects laser fault to guarantee the laser Eye Safety.
Preliminary Product Information
5
2004-06-22

5 Page





V23848-N15-C56 arduino
V23848-N15-C56
V23848-N15-C456
Technical Data
3) The transceiver is specified to meet the SONET/SDH Jitter performance as outlined in ITU-T G.958 and
Telcordia GR-253. Jitter Generation is defined as the amount of jitter that is generated by the transceiver. The
Jitter Generation specifications are referenced to the optical OC-48 signals. If no or minimum jitter is applied
to the electrical inputs of the transmitter, then Jitter Generation can simply be defined as the amount of jitter
on the Tx optical output. The SONET specifications for Jitter Generation are 0.01 UI rms, maximum and
0.1 UI pk-pk, maximum. Both are measured with a 12 kHz - 20 MHz filter in line. A UI is a Unit Interval, which
is equivalent to one bit slot.
4) Values are 20% - 80%, unfiltered and measured at nominal data rate.
5) Receiver characteristics are measured with a worst case reference laser.
6) Measured with 8.2 dB extinction ratio and a 223–1 NRZ PRBS as recommended by ANSI T1E1.2, SONET
OC-48, and ITU-T G.957 I-16.
7) Minimum average optical power at which the BER is less than 1x10–10 as defined by SONET and ITU-T
standards. For 1.25 Gbit/s (Gigabit Ethernet) a BER of less than 1x10–12 is given.
8) See Figure 3.
9) SONET OC-48 and ITU-T G.957 I-16 standards.
LOS Assert
(Minimum)
Hysteresis
(Minimum)
LOS Deassert
(Maximum)
1
LOS Level
0
Figure 3
LOS / Hysteresis
(Typical)
Received Optical
Power Level
[dBm]
File: 1522
Preliminary Product Information
11
2004-06-22

11 Page







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