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Optical Passive CWDM

ACT offers a complete line of DWDMs, CWDMs, WDMs, OADMs, Couplers, DCM, Optical Shelf and Accessories. The Wavelength Division Multiplexers (WDMs) feature low insertion loss, high isolation and excellent wavelength stability.

•    Cost-effective Full Line of Optical Passives and Accessories

•    WDM/CWDM/DWDM/OADM, Optical Coupler, Attenuator etc.

•    ITU G.694 standard compliant

•    Excellent Wavelength Stability

•    High Port Isolation, low Insertion Loss

•    Customization option available

•    SC/APC, LC/APC, FC/APC and E2000/APC connectors available.

•    Optional 1311 nm port for forward path transmission to HFC nodes

•    Either single port or with internal splitter to match number of CWDM ports for feeding multiple HFC nodes over one fibre

•    Options for assembly into 19” sub-racks, LGX chassis, or flat box, ready for deployment.

ACT Optical Passives CWDM,  (AOPC)

Optical Specification

Centre wavelength 

1271, 1291, 1311, 1331, 1351, 1371, 1431, 1451, 1471, 1491, 1511, 1531, 1551, 1571, 1591, 1611 nm 

Channel spacing 

20 nm 



Channel pass band 


Insertion Loss 16 ch

5.2 dB Max ( Paired 7.0 dB Max)

Adjacent channel isolation 

≥ 30 dB 

Non‑adjacent channel isolation 

≥ 40 dB 


≥ 50 dB

Return loss 

≥ 45 dB 

General Specifications

Operating Temp, °C

‑40  to 85

Storage Temp, °C

‑40 to 85

Operating relative humidity, %

5 to 95

Dimensions (W x D x H)

Various by model 

1RU: 19 inches Rack Unit

LGX : industry standard

Flat Box: 100×80×10.5 mm(<=8 output ports), 

           or 140×115×18 mm (>8 output ports)

Weight, kg


Ship weight





Note: Contact ACT for different packaging options. Weight will vary depending on model.

           Losses excluding connector Loss (a pair of connector loss max: 0.5dB)






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