Datasheet
Gigabit Ethernet CWDM SFP Transceivers
Features
Data rates from 1.062 to 1.25 Gbps
120 km, 80 km, and 50 km reach models
Single 3.3 V supply
CWDM wavelengths, DFB laser
APD receiver (SFP-GDCWEZX-xx)
Dual LC connector
Digital Diagnostic SFF-8472 compliance
Telcordia GR-468 compliance
RoHS and China RoHS compliance
SFP MSA SFF-8074i compliance
RoHS compliance
General Operating
Parameter
Supply Voltage
Total Current
Power Supply Noise Rejectiona
Operating Temperature
Storage Temperature
Data Rate GbE
Data Rate FC
a) 20 Hz to 155 MHz
Symbol
Vcc
Icc
PSR
Top
Tst
DR
DR
Min.
3.135
-
100
-5
-40
-
-
Typical
3.3
-
-
-
-
1250
1062.5
Max.
3.465
300
-
70
85
-
-
Unit
V
mA
mVp-p
ºC
ºC
Mbps
Mbps
Transmitter Specifications (Optical)
Parameter
Optical Power:
SFP-GDCWXDxx
SFP-GDCWZXxx
Average Launch Power Of Off Tx:
SFP-GDCWEZXxx
SFP-GDCWXDxx
SFP-GDCWZXxx
SFP-GDCWEZXxx
Extinction Ratio (Dynamic)
Eye Mask
Optical Jitter Random
Optical Jitter Deterministic
Total Jitter
Optical Rise Time (20% to 80% values)
Optical Fall Time (20% to 80% values)
Mean Wavelength
Spectral Width (20 dB)
Side Mode Suppression Ratio
Optical Path Penalty at 50 kmb and 80 kmb
Optical Path Penalty at 120 kmb
Relative Intensity Noise
Reflection Tolerancec
b) Measured at BER 10
-12
, PRBS 2
7
-1, at eye center
c) 1 dB degardation of receiver sensitivity
Symbol
Pop
Pop
Pop
Poff
Poff
Poff
ER
JR
JD
TJ
tr
tf
λ
Δλ
SMSR
dp
dp
RIN
rp
Min
-5
0
0
-
-
-
9
-
-
-
-
-
1xx1 - 6.5 nm
-
30
-
-
-
-24
Typical
-2.5
2.5
2
-
-
-
-
IEEE 802.3z compliant
-
-
-
-
-
1xx1
-
-
0.5
1
-
-
Max
0
5
5
-30
-30
-45
-
147
80
200
260
260
1xx1 + 6.5 nm
1
-
1
2
-120
-
Unit
dBm
dBm
dBm
dBm
dBm
dBm
dB
ps
ps
ps
ps
ps
nm
nm
dB
dB
dB
dB/Hz
dB
1
MRV [ MRV COMMUNICATIONS, INC. ]
