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CWDM/DWDM Modules and Mux/Demux

CWDM(Coarse Wavelength Division Multiplexer)Modules Mux/Demux;DWDM(Dense Wavelength Division Multiplexer)Modules Mux/Demux

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More About CWDM

Barnfind CWDM Mux/Demux is a passive technology, it allows for any protocol to be transported over the link, as long as it is at a specific wavelength (i.e. HD over fiber at 1570nm transported alongside 3Gbps SDI at 1590nm). This allows for long-term future proofing of the networking infrastructure because the multiplexers simply refract light at any network speed, regardless of the protocol being deployed.

Barnfind CWDM Mux/Demux can support up to 18 wavelengths between 1270nm to 1610nm in 20nm increments when com fiber is ITU-T G.694.2 , however if com fiber is ITU-T G.652, we recommend adopt 1270nm and 1290nm instead of 1390nm and 1410nm because of water peak loss.

Barnfind provides a complete portfolio of CWDM Mux Demux and Optical Add Drop Multiplexer (OADM) units to suit all applications.CWDM Mux/Demux is a flexible, low-cost solution that enables the expansion of existing fiber capacity.The CWDM Mux/Demux lets operators make full use of available fiber bandwidth in local loop and enterprise architectures.

Barnfind CWDM Mux/Demux is a universal device capable of combining up to 18 optical signals into a fiber pair or single fiber. It is designed to support a broad range of architectures, ranging from scalable point-to-point links to two fiber-protected rings

CWDM Mux & Demux spesifications

Ø 8/16 optical channels
Ø Center wavelengths according to ITU-T G.694.2
Ø Channel center wavelength 1290~1590 nm
Ø Channel clear passband ITU +/- 7 nm
Ø Insertion loss 8ch-2.5dBm, 16ch-3.5dBm (max)
Ø Passband ripple 0.5dBm (max)
Ø Adjacent channel isolation 30dBm (min)
Ø Non-adjacent channel isolation 45dBm (min)
Ø Return loss 45dBm (min)
Ø Directivity 45dBm (min)
Ø Polarization dependent loss 0.1dBm (max)
Ø Operating temperature range -20C to +70C (optional -40C to +85C)
Ø Storage temperature handling – 40 to + 85C
Ø Maximum power handling 300mW

An important advantage of CWDM solution is the cost of the optics which is typically 1/3rd of the cost of the equiv.

CWDM Modules

SFP	Data Rate	Distence
BTSFP-CWDM-40-01XX BTSFP-CWDM-80-01XX	155Mbps	40km 80km
BTSFP-CWDM-40-02XX BTSFP-CWDM-80-02XX	1.25Gbps	40km 80km
BTSFP-CWDM-40-03XX BTSFP-CWDM-80-03XX	2.5Mbps	40km 80km
BTSFP-CWDM-10-3GXX	3Gbps	10km
BTSFP-CWDM-40-3GXX	3Mbps	40km

* All CWDM modules mentioned in the list are transceivers

CWDM ITU grid G.694.2

Product Name	Wavelength
BTSFP-CWDM-40-0329	1290nm
BTSFP-CWDM-40-0331	1310nm
BTSFP-CWDM-40-0333	1330nm
BTSFP-CWDM-40-0335	1350nm
BTSFP-CWDM-40-0337	1370nm
BTSFP-CWDM-40-0339	1390nm
BTSFP-CWDM-40-0341	1410nm
BTSFP-CWDM-40-0343	1430nm
BTSFP-CWDM-40-0345	1450nm
BTSFP-CWDM-40-0347	1470nm
BTSFP-CWDM-40-0349	1490nm
BTSFP-CWDM-40-0351	1510nm
BTSFP-CWDM-40-0353	1530nm
BTSFP-CWDM-40-0355	1550nm
BTSFP-CWDM-40-0357	1570nm
BTSFP-CWDM-40-0359	1590nm

DWDM Modules

SFP	Data Rate	Distance	Compatible
BTSFP- XX80DCR	1.25Gbps	80km	1000 Base Ethernet
BTSFP- XXA2DCR	1.25Gbps	120km	1000 Base Ethernet
BTSFP- XX80DCR	2.5Gbps	80km	OC-48, STM-16
BTSFP- XXA2DCR	2.5Gbps	120km	OC-48, STM-16

* Wavelength selectable to C-band and L-band ITU-T grid wavelengths

DWDM Mux/Demux in separate 1RU frames

Frame	Channels
BT-DWDM-MUX-16-1RU	16 channels in 1RU
BT-DWDM-MUX-32-1RU	32 channels in 1RU

* Up to 88 ch. possible (2RU), please ask!

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