4 Channels 1550-1610nm, with Monitor, Expansion and 1310nm Port, LC/UPC, Single Fiber DWDM Mux Demux, Side-B, FMU Plug-in Module

1. CWDM MUX DEMUX, enables multiplexing of up to 9 channels on a fiber pair.
2. Passive, protocol transparent for Ethernet, FC, OTN, SONET/SDH, and other communication protocols.
3. Fully compatible with all ITU-T 1G/10G/25G CWDM optics.
4. Commonly used in Metro and Regional CWDM networks.

Wavelength RX:1550-1610nm Channel Spacing 20nm
Channel Passband ±6.5nm Technology TFF (Thin Film Filter)
Insertion Loss Regular :≤2.7dB Link Loss(A+B) Regular :≤ 3.5dB
1310nm Port Pass

Band Width

1260nm~1360nm Insertion Loss @

1310 port

≤ 0.8dB
Insertion Loss @ 1% Mon ≤ 26dB Center Wavelength


Return Loss ≥ 45dB Directivity ≥ 45dB
Polarization Mode


≤ 0.1ps Polarization Dependent Loss ≤ 0.3dB
Channel Isolation Adjacent ≥30dB
Non-adjacent ≥ 45dB
Temperature Operating -40 to 85°C

Storage  -40 to 85°C

Net Weight FMUC Plug-in Module:  0.5KG

2slot 1U Rack: 3.5KG

Dimensions FMUC Plug-in Module: 212*255*44mm

1U Rack : 482*261*44mm


CompatibilityTest for 6C-FMU-C45561EM3B

Reliable manufacturer and seller of optical network products

What Can 6COM Bring to You

Industry-leading after-sales processing capabilities

6COM has been in this business for 12 years. We have rich experience in dealing with various problems, you can rest assured to buy products at 6com without worrying about after-sales problems.

The most competitive purchase cost in the industry

6COM's excellent production management model makes the module price at the bottom of the industry in the market. You can get the best quality products at budget.

Various swtiches for compatibility testing

Since 2010, 6com has purchased more than 140+ network switches, covering popular equipment of 10G/40G/100G brands.

Rigorous performance testing

Eye diagram test, waveform test, bit error test and other tests ensure the stability of the module


Data Sheet
Interoperability Matrix