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PLK-COM-x-## series 4/8-channel CWDM optical multiplexer/demultiplexer

 

PROFLINK™ compatible 4/8-channel CWDM optical MUX/DEMUX operate in the 1270~1610nm wavelength range. The CWDM channels are separated by 20nm band gaps and heve the following wavelengths: 1270±2nm, 1290±2nm, 1310±2nm, 1330±2nm, 1350±2nm, 1410±2nm, 1430±2nm, 1450±2nm, 1470±2nm, 1490±2nm, 1510±2nm, 1530±2nm, 1550±2nm, 1570±2nm, 1590±2nm and 1610±2nm.

The MUX/DEMUX is available in the 4-channel PLK-COM-4-## modification or 8-channel PCOM-3211-8-## modification. The ## value denotes the starting wavelength.

The modifications with the 1470nm and 1550nm starting wavelengths have the wideband (1260~1360nm) upgrade port EXP. This EXP port allows the daisy-chaining with another CWDM MUX/DEMUX having the 1270nm starting wavelength or with a 1310nm optical device. The COM port will have the combined optical stream.


Technical specifications

model
Number of channels
Channel wavelengths, nm
Upgrade port (1260~1360nm) insertion losses, dB (max)
Insertion losses, dB (max)
Channel separation, dB (min)
Connector type
PLK-COM-4-1270
4
 1270~1330 in 20nm increments
-
1.4
30
LC/PC
PLK-COM-4-1350
4
 1350, 1410, 1430, 1450
-
1.4
30
LC/PC
PLK-COM-4-1470
4
 1470~1530 in 20nm increments
1.0
1.4
30
LC/PC
PLK-COM-4-1550
4
 1550~1610 in 20nm increments
1.0
1.4
30
LC/PC
PLK-COM-8-1270
8
 1270~1450 in 20nm increments (bar 1370,1390)
-
2.4
30
LC/PC
PLK-COM-8-1470
8
 1470~1610 in 20nm increments
0.8
2.4
30
LC/PC
  • Operating temperature range: 0~50°C
  • Dimensions: 155mm*62.5mm*18mm

Rear panel and optical connectors placement


PLK-COM-8/1470 connector allocation:


PLK-COM-8/1270 connector allocation:


PLK-COM-4/1470 connector allocation:


PLK-COM-4/1550 connector allocation:


PLK-COM-4/1270 connector allocation:


PLK-COM-4/1270 connector allocation:

 

Usage scenario

An example implementation of a 4-channel bidirectional optical network is shown on the following picture. Here a pair of signals is transmitted on the 1550nm and 1570nm wavelengths from A to B over a single-fiber optical cable, while the other pair of signals is transmitted on the 1590nm and 1610nm wavelengths from B to A.

In practice any combination of optical inputs and outputs is possible on one side (with a complementary combination on the other) for a 4 or 8 channel network.
2019 PROFITT Ltd