Module, 8+1 channels CWDM, SM, 1471-1611/1260-1458, LC/APC
Fiber optic module with a built-in CWDM multiplexer and demultiplexer, terminated in LC/APC connectors.
The module comes with a built-in CWDM multiplexer and demultiplexer, terminated in LC connectors.
The module should be mounted in a 1U or 3U panel. There is room for 12 modules in the 3U panel and 3 modules in the 1U panel. Various modules can be placed in random order in the patch panels. This ensures a flexible and modular construction that can easily be extended with more modules.
- Independent of protocol and bit speed
- Plug-in modules for 1U or 3U panel
- Can be mounted in 19" cabinet/rack
- Passive, does not need any power supply
CWDM may be delivered in several types of panels and boxes from FOSS.
The most common are:
- FPM76-modular panel
- FP65-1U panel
- FPD76- wall box DIN
May also be delivered in most splice closures.
They are based on reliable passive technology and are delivered with SC or LC interface with PC or APC polished connectors.
Passive CWDM units are a reliable and reasonable method for transferring several wavelengths/signals over the same fibre (wavelength multiplexing). In this way you may increase the capacity of existing fibre-cable significantly. Combined with OADM you may add or drop wavelengths on the way between the end points. A big advantage of using passive wavelength multiplexing is also that the method is protocol– and bitrate independent.
A complete system with components for two-way communication (multiplexer and de-multiplexer) in both ends are made using two units.
Operating temperature: -40 °C to 85 °C
4 channel/2xUpgrade: < 3.4/3.4 dB < 2.9/2.9 dB typically
8 channel: < 3.6 dB < 3.0 dB typically
8L(lower band): < 3.8 dB < 3.1 dB typically
8 channel/WB: < 3.6/3.6 dB < 3.0/3.0 dB typically
8 channel/WB + Monitor: < 4.1/4.1 dB < 3.5/3.5 dB typically
18 channel: < 4.6 dB < 4.0 dB typically
8-channel/WB (3-port): < 4.6/5.6 dB < 4.0/4.5 dB typically
* Loss over a system (2 panels and 4 connector-pairs)
Wavelength (according to ITU-T G.694.2) :
4 channel: 1471, 1491, 1591, 1611
8 channel: 1471, 1491, 1511, 1531, 1551, 1571, 1591, 1611 or 1271, 1291, 1311, 1331, 1351, 1371, 1431, 1451 nm
18 channel: 1271, 1291, 1311, 1331, 1351, 1371, 1391, 1411, 1431, 1451, 1471, 1491, 1511, 1531, 1551, 1571, 1591 and 1611 nm
CWDM channels: +/- 6.5 nm
1310 nm: +/- 50 nm
Upgrade 1/WB: 1260-1458 nm
Upgrade 2: 1504-1577 nm
Monitor output (where available): ca. 20 dB below the line signal (1%)
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