• Full C+ or L-band tuning range with 50 GHz channel spacing
• Zero chirp, -0.7 chirp, or +0.7 chirp
• APD or PiN receiver with 50 µs fast transient response
• Built-in SBS suppression dithering with pure phase modulation
• 20 ms fast channel switching
• TxTrace support
Applications
• Universal DWDM transport for Metro,
Long-haul and Ultra Long-haul
• Agile optical networks incorporating
ROADM technology
The flexibility enabled by our 7500 series full band tunable transponders is critical
to the rapid deployment of next-generation, IP-based voice, data and video
services that are driving new network management challenges for
communications service providers. They also support applications ranging from
ultra long-haul to metro networks, in a single platform.
The 7500 series 10 Gbps universal transponders are MSA-compliant, full band
tunable, long-reach modules incorporating a transmitter and receiver in the same
physical package. The module has a 300-pin connector for the electrical interface
and two fiber pigtails for optical input and output ports. The module is compliant
with ITU G.691 STM-64 L-64.2a and Telcordia GR-253 Issue 3 LR2-c for optical
interface; and with OIF-SFI4-01.0 for the electrical interface.
In the transmit direction, the transponder multiplexes sixteen 622 – 710 Mbps
electrical signals into a single 9.953 – 11.352 Gbps signal, which is then modulated
onto the optical transmitter output. The optical output meets or exceeds the
SONET specifications stated in Telcordia GR-253, Issue 3 and draft ITU-T G.691
and G.692. The wavelength of the optical transmitter is user programmable over
the full C+ or L-band using commands sent via the I
2
C™ interface. The
transponder module synthesizes a high-frequency clock (9.953 – 11.352 GHz)
from either a 1/64 or a 1/16 input clock, depending on user selection.
In the receive direction, the transponder module accepts a 9.953 – 11.32 Gbps
optical signal and converts it, using a clock and data recovery circuit, into an
electrical equivalent. This electrical signal is then demultiplexed into sixteen 622
– 710 Mbps output signals and its associated clock.
Compliance
• Telcordia GR-253, Issue 3
• Telcordia GR-468-CORE
• Telcordia GR-1089-CORE
• OIF-SFI4-01.0
• ITU-T G.691
NORTH AMERICA
:
800 498-JDSU (5378)
WORLDWIDE
:
+800 5378-JDSU
WEBSITE
:
www.jdsu.com
FULL BAND TUNABLE TRANSPONDER
2
Dimensions Diagram
(Specifications in mm unless otherwise noted.)
Note:
Module height (dimension “H”) is 13.5 mm max. as standard.
Thinner options are available.
Integrated heat sink versions are available.
FULL BAND TUNABLE TRANSPONDER
Functional Block Diagram
Rx Data
Rx Clocks
Deserializer
Limiting Amp
CDR
DeMUX
RxDTV
10G
PIN or APD
Receiver
Receiver Bias
Monitor / Control
Rx
300 pin MSA Connector
Modulator Bias
Tx Clocks
Tx Data
Monitor / Control
Serializer
CMU
MUX
Jitter Filters
10G
Mod
Driver
10G
E/O
Modulator
Tx
I
2
C
I/O
Micro-Controller
µProcessor
NV Memory
Digital I/O
Analog I/O
Tunable
Laser
TxTRACE
Power Supply
Absolute Maximum Ratings
Parameter
5 V supply voltage
3.3 V supply voltage
-5.2 V supply voltage
1.8 V supply voltage
LVDS input signals
LVTTL input signals
Analog input signals
Operating case temperature range
Storage case temperature range
Relative humidity (noncondensing)
Minimum fiber-bend radius
Symbol
V
C5
V
C3
V
EE
V
C1
Minimum
-0.3 V
-0.3 V
0.3 V
-0.5 V
0V
0V
-0.3 V
-5°C
-40°C
-
-
Maximum
5.5 V
3.6 V
-6.0 V
2.0 V
2.7 V
3.6 V
6.0 V
75°
85°C
85 %
1 in. (25.4 mm)
T
c
T
stg
RH
Note: Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device
is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
FULL BAND TUNABLE TRANSPONDER
4
Optical Specifications (Transmitter)
1
Parameter
C-Band tuning range
2
L-Band tuning range
2
Channel spacing
Maximum output power at any channel
8
Total channel power variation
over temperature and life
Frequency accuracy over life and temperature
3
Side mode suppression ratio
4
Optical signal to noise ratio
5
Relative intensity noise
Laser line width
Wavelength tuning time
Output power during tuning
Preset chirp 0
Preset chirp ± 0.7
Optical extinction ratio (zero chirp)
Optical extinction ratio (chirped)
Eye crossing
9
Eye mask margin versus GR253 Issue 3
SBS suppression FM broadening
6
SBS suppression step size
6
SBS suppression, AM content
6
1.
2.
3.
4.
5.
6.
7.
8.
9.
Symbol
λ
C
λ
L
P
OUTMAX
Minimum
1528.77 nm
1570.42 nm
50 GHz
4 dBm
-1.0 dB
-2.5 GHz
45 dB
50 dB
-
-
-
-
-0.1
0.6
12 dB
11 dB
45%
10%
100 MHz
-
-
Typical
-
-
-
-
-
-
50 dB
-
-
2 MHz
10 ms
-
0
0.7
13 dB
12 dB
50%
-
-
100 MHz
-
Maximum
1563.86 nm
1610.05 nm
-
-
+1.0 dB
+2.5 GHz
-
-135 dB/Hz
10 MHz
20 ms
-40 dBm
+0.1
0.8
-
-
55%
-
1200 MHz
-
1%
SMSR
OSNR
RIN
LW
•
|•|
ER
ER
All characteristics are through end-of-life, over wavelength range, and over temperature range unless otherwise specified.
Wavelength range is larger than 300-pin MSA I
2
C™ command set. Please refer to JDSU Transponder I
2
C™ Command Set document.
Under locked operation.
Ratio of average power in dominant mode to the highest side mode (in a 0.1 nm resolution bandwidth) under closed loop operating conditions
Optical signal-to-noise ration (OSNR) is defined as the signal power referenced to the non-coherent noise level in a 0.1 nm bandwidth over 1525 nm – 1565 nm.
SBS suppression implemented with a 10 kHz triangle wave on laser phase section, adjustable in 100 MHz steps, minimal amplitude content.
EOL at operation temperature range, with BER 1E-12. Spec. applies up to 10.3 Gbps, 1 dB penalty for 10.7 Gbps and 1.5 dB for 11.1 Gbps.
Alternative minimum optical power specifications can also be accommodated.
Typical configuration. Alternative crossings may be selected to optimize OSNR performance.
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