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CATS ROADM
Reconfigurable Optical add-drop multiplexers
 

Main Features

| ROADM support C band 50GHz space 88 channels
| Provides high-capacity DWDM ring interconnect max 9-degree flexibility
| Wavelength independent selective switching, blocking, attenuation and/or equalization of 88 wavelengths
| Integrated OPM to monitor Optical signal quality
| With CACC card, fully integrated into CATS platform
| GUI based network management via CATS system controller or CLI loacl management

Dowslake ROADM Reconfigurable optical Add/Drop Multiplexer is a flexible and powerful wavelength switching and channel grooming solution for intelligent DWDM system, able to support max 88ch 50GHz DWDM system.

With advanced Wavelength Selective Switch(WSS) and Optical Performance Monitoring(OPM) technology. Dowslake ROADM provide the capability to dynamically mange add/drop and to monitor each DWDM channel optical parameters, include DWDM channel optical frequency, optical power and optical signal OSNR. ROADM support optical power control for each DWDM channel, and can compensate individual channel degradation, amplifier gain tilt, and is suitable for a number of applications:

•Re-configurable add/drop node in an East/West traffic node
•Uni-directional power balancer
•High capacity DWDM ring interconnect with N-degree flexibility
•Amplified Add/Drop networks with active power balancing
•Linear and ring architectures requiring wavelength re-use

With CATS system management card, ROADM can be managed via GUI, SNMP and Telent. The ROADM card also support local management (CLI ).

 

Order Matrix

Description Model
ROADM 1x4 50GHz Spacing,max 88ch for 2U chassis
CATS2-RO-2U
ROADM-1x4-50G
ROADM 1x2 50GHz Spacing,max 88ch for 2U chassis
CATS2-RO-2U
ROADM-1x2-50G
Note:
Above are typical ROADM function card, for other degree of ROADM card, please contact DowsLake for more information



Function block of 1X4 ROADM
Product Specifications of 1X4 ROADM
Parameter  
Operation wavelength range 191.55 ~ 196.1 THz
channel center wavelength ITU Grid 50GHz 191.7 ~ 196.05THz
Channel Space 50 GHz
Channel number max 88 channels
Insertion loss (COM IN – 1/2/3/4 port OUT) max 8.0dB
Min Insertion loss
(1/2/3/4 port IN – COM OUT)
max 6.5dB
Power off Insertion loss
(1/2/3/4 port IN – COM OUT)
min 20dB
Block Insertion loss
(1/2/3/4 port IN – COM OUT)
min 35dB
Input power range(per wavelength) max 10dBm
Input power (All wavelength) max 25dBm
Clear Channel bandwidth min +/-13GHz
Insertion Loss Ripple max 0.5dB
Attenuation Range 0 - 15dB
Attenuation Step Size 0.1dB
Attenuation Response max 250ms
Switch time 2400ms
Return Loss min 40dB
Chromatic dispersion -15 ~ +15ps/nm
GDR max 5ps
PMD 0.75ps
PDL max 0.9dB @ (0 - 10dB attenuation)
max 10% of attenuation @ (10 - 15dB attenuation)
Optical frequency monitor range 191.70 ~ 196.05THz
Absolute frequency monitor accuray +/- 8GHz
Optical power monitor range -30 ~ 0dBm
Absolute monitor power accuracy +/- 1dB
Optical Connector Type LC/UPC
Operation Temperature -5 - 50C
Operation Humidity 5 to 95 % (non-condensing)
Power Consumption max 20W
Platform 2U chassis CATS2-RO-2DC
 
 
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