Optical Layer Systems

DCM Fixed Dispersion Compensation card solve the problem of fiber dispersion in high-speed and long-distance communication systems. It is used for dispersion compensation of G.652 & G.655 standard single-mode fiber. The DCM features slope compensation, which enables wideband dispersion slope compensation in the C-band for standard single-mode fiber (G.652), which optimizes system residual dispersion. It is based on a proven and reliable fiber optic process that enhances the performance of optical transmission systems with a dispersion range of -10 to -2100 ps/nm at 1550 nm wavelength, and can provide products with special requirements for central wavelength and dispersion.

Classical Networking Applications

The dispersion compensation Card is widely used to solve the problem of distance limitation of long-distance transmission of optical communication due to dispersion and nonlinear distortion. The device is connected in series on the optical communication line, and is completely transparent to the service, and the amplifier can be placed according to the needs of the optical communication system.

System Parameter	Technical Index
Dispersion compensator @1545nm (Ps/nm)	20Km	40Km	60Km		80Km	100Km
	-340±20	-670±20	-1000±20		-1340±20	-1680±20
Relative dispersion @1545nm (Nm-1)	0.0036±20 %( general), 0.0036±10 %( senior).
Insertion loss@1525-1565nm(dB)	≤3	≤4.8	≤6		≤7.6	≤8.8
Insertion loss (typical)@1525-1565nm(dB)	≤2.8	≤4.4	≤5.8		≤7.2	≤8.4
Polarization mode dispersion(ps)	≤0.7	≤0.8	≤0.9		≤1.0	≤1.1
Polarization mode dispersion (typical)(ps)	0.2	0.3	0.4		0.5	0.6
Polarization dependent loss(dB)	≤0.1.
Brillouin scattering threshold(dBm)	Minimum value: 6.
Nonlinear system(n2/Aeff)	Maximum value: 1.4*10-9.
Effective area(Aeff)	Minimum value: 20.
Network management mode	CLI, NetRiver, WEB.
Product dimension	177 (W)20(H)225(D)(mm).
Environmental requirements	Working temperature			-10℃ ~ 70℃.
	Storage temperature			-40℃ ~ 80℃.
	Relative humidity			5% ~ 95% no condensation.
Safety and EMC	Compliance with FCC, UL, CE, TUV, CSA standards.
Power consumption	<2W.

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DCM Card

Classical Networking Applications

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