EWP
Edge Wavelength Processor WSS
PRODUCT BRIEF
FeATUreS
LCoS Switching Technology
Network Systems ready
DPrAM and Serial interface
Supports in-Service Firmware
Upgrade
roADM or X-Connect Building
Block
Cascadable Add/Drop
Functionality
Degree interconnect
Low
enabler
Advanced Functionality Switch
to 2 Switching Ports and
Up
96 Channels
reconfigurable Channel Plan
Selectable 50 GHz or 100 GHz
Channel Plan
Dynamic Channel
Full
equalization on All Ports
Port, Per Channel Power
Per
Control over 0-20 dB
wide Flat Passband at All
Attenuation Levels
overview
The edge wavelength Processor (ewP)
by Finisar provides a low cost 1x2
solution for wSS applications at the
network edge. The proprietary use of
Liquid Crystal on Silicon (LCoS) technol-
ogy enables programmable channel
switching and attenuation and provides
advanced functionality through embed-
ded software. Advanced hermetic
packaging technology enables a high
reliability small form factor module that
addresses high density card design requirements. The ewP is a fully integrated high-perfor-
mance intelligent module that supports a dual 50/100 GHz channel plan and offers flexible and
upgradeable wSS functionality for advanced applications.
ProDUCT DeSCriPTioN
in network edge applications, low cost and small module form factor are key requirements. The
ewP addresses these needs through a number of design innovations, including:
1.
2.
3.
4.
Balanced, athermal optical design to eliminate need for thermal stabilisation
Advanced HTCC hermetic package technology, enabling a compact high reliability module
Simple, highly manufacturable optical design with low materials cost
High density motherboard size for module size minimization
The ewP optical design supports 40 Gb/s and 100 Gb/s traffic at 50 GHz channel spacing, while
also delivering excellent 100 GHz channel spacing performance. it uses the same core Liquid
Crystal on Silicon (LCoS) optical switching element used in Finisar’s DwP range of wSS.
oPerATioN
The ewP is configured as a 1x2 wSS module, with fully colorless and hitless allocation of chan-
nels to ports. 96/48 channel operation at 50/100 GHz is supported. Up to 20 dB of attenuation
can be applied on a per channel basis in 0.1 dB steps
5
0
-5
-10
Attenuation (dB)
-15
-20
-25
-30
-35
-40
-45
-50
-55
191.00
192.00
193.00
194.00
195.00
196.00
EWP configured as a
1x2 50 GHz Interleaver
Frequency (THz)
EWP WavElEngth SElEctivE SWitch
SPeCiFiCATioNS
Optical
operating Frequency range - C Band
Channel Spacing
Number of Channels
0.5 dB Bandwidth
insertion Loss
Polarisation Dependent Loss
Port isolation
Attenuation Control range
191.35 to 196.10 THz
50 or 100 GHz
96/48 at 50/100 GHz
±13 GHz for 50 GHz spacing
±30 GHz for 100 GHz spacing
≤ 6.5 dB
≤ 0.85 dB
≥35 dB
20 dB
+27 dBm
+13 dBm
LC/PC
165 x 110 x 20 mm
-5 to 60°C
5 - 95 %
5v
<15 w
DPrAM, Serial
erF-050-05.0-01-L-rA-Tr (Samtec)
Optical Power
Maximum Total input optical Power
Maximum Per-Channel optical Power
Mechanical
Connector Type
Dimensions
Environmental
operating Temperature (Ambient)
operating Humidity (Non-Condensing)
Electrical
operating voltage
Power Consumption
Control interface
electrical Connector
1389 Moffett Park Drive
Sunnyvale, CA 94089
Phone 408-548-1000
email: sales@finisar.com
www.finisar.com/roadm
©2011 Finisar Corporation. All rights reserved. Finisar is a registered trademark of Finisar Corporation.
Features and specifications are subject to change without notice. 09/11
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