8-Simplex BiDi CWDM MUX DEMUX Rack-mounted

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8-Simplex BiDi CWDM MUX DEMUX Rack-mounted

Product Details

Product Category Simplex BiDi CWDM MUX & DEMUX(Rack-mounted) P/N GWM-08QMDXX192010-55(SBD)
Product description 8-Simplex BiDi CWDM MUX & DEMUX(Rack-mounted) Operating Wavelength 1260-1620
Channing Spacing(nm) 20 Passband(nm) ±7
IL(dB) 4.2 Iso (adjacent)(dB) 30
Iso (non-adjacent)(dB) 45 Channel 8

Gigalight’s simplex bi-directional CWDM Mux & Demux is a flexible, low-cost solution that enables the expansion of existing fiber capacity and allows operators to make full of use of available fiber bandwidth in local loop and enterprise architectures. It can suit many kinds of applications and network solutions, such as Gigabit & 10G Ethernet, SDH/SONET, ATM, ESCON, Fibre Channel, FTTx and CATV.
The module is a universal device that can multiplex optical signals (up to 18 channels) into a fiber pair or single fiber, we can provide full complete configuration such as 2, 4, 5, 8, 9, 16, 18 channels, together with our CWDM transceivers or the wavelength converters, the bandwidth of the fiber can be utilized in a cost effective way.

Front Panels:


1.Low insertion loss & Low PDL
2.Wide pass band & High channel isolation
3.Compliant with ITU-T G.694.2 CWDM or G.695
4.Optional extension and wide band ports for network upgrade, existing equipment or add-and-drop
5.Fully transparent to all data rates and protocols
6.Exceptional reliability and stability

7.Telcordia GR-1221/1209-CORE Compliant


1.Access networks
2.Metro WDM systems
3.Enterprise networks
5.Add/Drop Channels

Packing Types & Front Panels

1.19’’ 1RU Rack chassis or 23’’ 1RU Rack chassis

2.LGX Metal Box


A. Common port:

· LC, SC, ST and FC connectors available.

B.  Standard port 1310nm:

· Allows a legacy 1310nm signal to pass. That is to say, it can carry LR optics, LX optics etc.

· LC, SC, ST and FC connectors available.

C. Standard port 1550nm:

· Allows a legacy 1550nm signal to pass. That is to say, it can carry ER optics, ZR optics, LX optics, ZX optics etc.

· LC, SC, ST and FC connectors available.

D. Mux/Demux port for specific wavelengths:

· LC, SC, ST and FC connectors available.

· Compliant with the ITU G.657A1 standard as default. These are available in ITU G.652, ITU G.652C and ITU G.652D on request. The 1390 and 1410 wavelengths are not recommended at ITU G.652 because of the higher attenuation.

E. Express port:

· Enables the cascading of two CWDM mux/demux modules, doubling the channel capacity on the common fiber link.

· Channel Isolation is 15dB as default, 16dB ~40dB available on request.

· LC, SC, ST and FC connectors available.

F. Monitor port:

· Connects measurement/monitoring equipment, such as power meters or network analyzers, to the module outputs.When finished monitoring, disconnect the instruments and the network is left undisturbed.

· LC, SC, ST and FC connectors available. 

· Tap percentage is 5% as default, 1%, 2%, 3%, or 10% available on request.


1.Actual layout depends on the chosen connector type as well as other factors. However, the principal scheme stays the same.

2.We provide optional port configurations such as: Express Port, Monitor Port, 1310nm passband port and 1550nm port for these multiplexers according to customer choice, need more details, please contact sales@gigalight.com.cn

3.When using with 1310nm legacy SDH/SONET, CWDM wavelengths 1270, 1290, 1310, 1330 and 1350nm should not be used.

4. When using with 1550nm legacy SDN/SONET, CWDM wavelengths 1510, 1530, 1550, 1570 and 1590nm should not be used.

Mechanical Drawing: (only for reference)

1.19’’ 1RU Rack chassis or 23’’ 1RU Rack chassis

2.LGX Metal Box


3.ABS Box

Please note that the drawings shown here only refer to the dimensions and don’t not show the specific configuration of the module.









Operating Wavelength (nm)

12601620(ITU or ITU+1)

Channel Spacing (nm)

20nm ITU Grid

Channel Passband (nm)


Insertion Loss (dB)







Channel Uniformity (dB)




Passband Ripple (dB)



Isolation (dB)






Polarization Dependent Loss (dB)


Directivity (dB)


Return Loss (dB)


Polarization Mode Dispersion (ps)


Power Handling (mW)


Operating Temperature ()


Storage Temperature ()


Package Dimensions(mm)

Upon Request

Fiber type

SMF-28e+ or ITU-T G657.A

1) All specifications are based on the devices without connectors, and guaranteed over wavelength, polarization and temperature.
2) PMD and chromatic dispersion values are guaranteed by design.  
3) IL is 0.3 dB higher, RL is 5 dB lower for each connector added .
4) Specifications are subject to change without notice.

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