1.25G SFP WDM Optical Transceiver
SFP WDM Optical Transceiver,1000Base-LX/LH Distance 10km 20Km 40Km with 9/125 SMF Data rate up to 1.25Gb/s Meet SFP MSA
INFORMATION
Features:.
l Compliant with IEEE802.3z Gigabit Ethernet
l 1310nm FP laser and 1490nm
PIN photo detector
l Industry
standard small form pluggable (SFP) package
l Simplex
SC connector
l Compliant
with SFP MSA and SFF-8472
l Digital Diagnostic Monitoring(DDM):Internal Calibration or External
Calibration
l Differential
LVPECL inputs and outputs
l Single
power supply 3.3V
l TTL
signal detect indicator
l Hot
Pluggable
l Class
1 laser product complies with EN 60825-1
Description:
Form Factor Pluggable Multi-Sourcing Agreement (MSA). The SFP transceiver supports dual data-rate of 1.25Gbps
and from
Std 802.3 and IEEE 802.3u. The SFP module can be compatible with other brand switch
devices like Cisco,Huawei etc.The SFP module has the function of AGC (Automatic
Gain control without attenuator).
Block Diagram of Transceiver

Application:
- Switch to switch interface
- High speed I/O for file servers .
- Bus extension applications
Transmitter Electro-optical Characteristics
Vcc = 3.1 V
to 3.5 V, TC =
|
PARAMETER |
SYMBOL |
MIN |
TYP. |
MAX |
UNITS |
NOTE |
|
Output 9/125 μm fiber |
Pout |
-9 |
— |
-3 |
dBm |
Average |
|
Extinction |
ER |
9 |
— |
— |
dB |
|
|
Center |
λC |
1260 |
1310 |
1360 |
nm |
|
|
Spectral |
Δλ |
— |
— |
2.5 |
nm |
|
|
Rise/Fall |
Tr, f |
— |
— |
260 |
ps |
|
|
Relative |
RIN |
— |
— |
-120 |
dB/Hz |
|
|
Total |
TJ |
— |
— |
227 |
ps |
|
|
Output Eye |
Compliant with IEEE802.3z |
|||||
|
Max. Pout |
POFF |
— |
— |
-45 |
dBm |
|
|
Differential |
VDIFF |
0.4 |
— |
2.0 |
V |
|
Receiver Electro-optical Characteristics
Vcc = 3.1 V to 3.5 V, TC =
|
PARAMETER |
SYMBOL |
MIN |
TYP. |
MAX |
UNITS |
NOTE |
|
Optical |
PIN |
0 |
— |
— |
dBm |
BER < 10−12 |
|
Optical (Sensitivity) |
PIN |
— |
— |
-21 |
dBm |
BER < 10−12 |
|
Operating |
λC |
1480 |
|
1580 |
nm |
|
|
Optical |
ORL |
14 |
— |
— |
dB |
λ=1480~1580nm |
|
Optical |
ISO |
— |
— |
-40 |
dB |
λ=1480~1580nm |
|
Signal |
PA |
— |
— |
-21 |
dBm |
|
|
Signal Detect-Deasserted |
PD |
-35 |
— |
|
dBm |
|
|
Differential |
VDIFF |
0.5 |
— |
1.2 |
V |
|
|
Data Output (20−80%) |
T r, f |
— |
— |
0.35 |
ns |
|
|
Receiver Voltage-Low |
RX_LOSL
|
0 |
— |
0.5 |
V |
|
|
Receiver Voltage-High |
RX_LOSH |
2.4 |
— |
Vcc |
V |
|
Suggested Transceiver Interface

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