CWDM OADM 4 Or 8 Channel Optical Add Drop Multiplexer

Product Detail

CWDM 4 or 8 Channel Optical Add/Drop Multiplexer





Coarse wavelength division multiplexer (CWDM MUX and DEMUX Module ) utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging. It provideslow insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path.


Performance Specifications


Parameter			4 channel		8 channel
			Add	Drop	Add		Drop
Operating Wavelength (nm)			1471, 1491 or 1470, 1490 etc.
Center Wavelength Accuracy (nm)			±  0.5
Channel Spacing (GHz)			20nm
Channel Passband (@-0.5dB bandwidth) Min.(nm)			=13
Insertion Loss (dB)		Add/Drop Ch.	=1.4			=2.5
		Express Ch.	=0.6			=1.0
Channel Ripple (dB)			=0.3			=0.3
Isolation @add/drop channel(dB)	Adjacent		N/A	>30	N/A		>30
	Non-adjacent		N/A	>40	N/A		>40
Insertion Loss Temperature Sensitivity (dB/°C )			<0.003
Wavelength Temperature Shifting (nm/ °C )			<0.002
Polarization Dependent Loss (dB)			<0.10
Polarization Mode Dispersion (ps)			<0.1
Directivity (dB)			>50
Return Loss (dB)			>45
Maximum Power Handling (mW)			300
Operating Temperature (°C)			-20 ~+85
Storage Temperature (°C)			-40 ~+85
Package Dimension (mm)			f1U LGX box

Specifications may change without notice


Ordering Information


CWDM	Configuration	1 Channel	Fiber Type	Fiber Length	Connector
	4=4 Ch Add/Drop 8=8 Ch Add/Drop	471=1471nm 491=1491nm	1=250um bare fiber 2=900um loose tube fiber	1=1 Meter 2=2 Meter	0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC




4-Channel OADM (CWDM-OADM4-1= and CWDM-OADM4-2=) 





The 4-Channel OADM (CWDM-OADM4-1= and CWDM-OADM4-2=) allows you to add/drop four channels (with different wavelengths) into one direction of an optical ring. The other wavelengths are passed through the OADM. The 4-channel OADMs are transparent to the 1300-nm wavelength and includes a 1300-nm/1500-nm filter to mix legacy SONET/SDH/ATM ring installations with CWDM installations on the same optical fiber. Dual fiber is used for both the network and the GBIC or SFP connections. The two 4-channel OADMs, shown in Figure 2 and Figure 3, support the following wavelengths:
•CWDM-OADM4-1—1470-nm, 1490-nm, 1510-nm, and 1530-nm.
•CWDM-OADM4-2—1550-nm, 1570-nm, 1590-nm, and 1610-nm.
The 4-channel OADM modules are equipped with a monitor port that allows you to attach a power meter or an optical spectrum analyzer to assist you in monitoring and troubleshooting the network. 


Figure 2 4-Channel OADM (CWDM-OADM4-1) Front Panel






Figure 3 4-Channel OADM (CWDM-OADM4-2) Front Panel