DWDM-8C
8 channel 100GHz DWDM C-band multiplexer
and demultiplexer with upgrade port
User manual
Rev. B
Nevion
Nordre Kullerød 1
3241 Sandefjord
Norway
Tel: +47 33 48 99 99
nevion.com
DWDM-8C Rev. B
Nevion Europe
P.O. Box 1020
3204 Sandefjord, Norway
Support phone 1: +47 33 48 99 97
Support phone 2: +47 90 60 99 99
Nevion USA
1600 Emerson Avenue
Oxnard, CA 93033, USA
Toll free North America: (866) 515-0811
Outside North America: +1 (805) 247-
8560
E-mail: support@nevion.com
See http://www.nevion.com/support/ for service hours for customer support globally.
Rev.
Repl.
Date
Sign
Change description
B 1 2015-06-10
MB
Template update; DoC removed
1
0
2011-09-23
2012-05-18
AA /
JRW
New template.
0 - 2007-08-29
OEH
Initial version.
Nevion Support
Revision history
Current revision of this document is the uppermost in the table below.
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DWDM-8C Rev. B
Contents
Revision history ...................................................................................................................... 2
1 Product overview ................................................................................................................. 4
2 Specifications ................................................................................................ ...................... 5
2.1 Optical specifications ........................................................................................................ 5
2.2 Channel plan .................................................................................................................... 5
3 Connections ........................................................................................................................ 7
3.1 Mounting the DWDM-8 ..................................................................................................... 7
3.2 1-8 channel system .......................................................................................................... 7
3.3 9-40 channel system ........................................................................................................ 8
General environmental requirements for Nevion equipment ................................................. 10
Product Warranty ................................................................................................................. 11
Appendix A Materials declaration and recycling information ................................................. 12
A.1 Materials declaration ...................................................................................................... 12
A.2 Recycling information ..................................................................................................... 12
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DWDM-8C Rev. B
1 Product overview
The Flashlink DWDM-8C is a set of optical modules for multiplexing and demultiplexing
100GHz spaced DWDM (Dense Wavelength Division Multiplexed) signals. The
modules are divided into multiplexers and de-multiplexers, which form a complimentary
pair. There are a total of 5 different pairs, each with their own set of wavelengths and
an upgrade port. By use of the upgrade port, up to 40 optical signals can be run over a
single fiber. The units are passive and all-optical devices, requiring no power supply or
control. Any number of channels can be used to transport signals in one direction with
the rest of the channels transporting signals in the other direction. The units can be
cascaded through the upgrade ports in any order. However, one end should be
cascaded in opposite order compared to the other, for optimum performance.
Figure 1: DWDM-8C block diagram
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DWDM-8C Rev. B
Number of channels
Up to 40
Available wavelengths
See section 2.2
Connector
SC/UPC
Insertion loss (one
matched pair, including
connectors)
4.5dB max
Insertion loss (common to
upgrade)
0.8dB max
Channel Spacing
100GHz
Passband
+- 15.0GHz
Adjacent Channel Isolation
25dB min
Non-Adjacent Channel
Isolation
40dB min
Directivity
45dB min
Return loss
45dB min
PDL
0.25dB max
Operating Temperature
0 – 55 oC
Storage Temperature
-40 – 85 oC
Optical Power
300mW max
Channel plan
(product suffix)
Channel (#)
Center frequency (THz)
Wavelength (nm)
1
20
192.0
1561.41
21
192.1
1560.61
22
192.2
1559.79
23
192.3
1558.98
24
192.4
1558.17
25
192.5
1557.36
26
192.6
1556.55
27
192.7
1555.75
2
28
192.8
1554.94
29
192.9
1554.13
30
193.0
1553.33
31
193.1
1552.52
32
193.2
1551.72
33
193.3
1550.92
34
193.4
1550.12
35
193.5
1549.32
3
36
193.6
1548.51
37
193.7
1547.72
38
193.8
1546.92
39
193.9
1546.12
40
194.0
1545.32
41
194.1
1544.53
42
194.2
1543.73
2 Specifications
2.1 Optical specifications
2.2 Channel plan
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DWDM-8C Rev. B
Channel plan
(product suffix)
Channel (#)
Center frequency (THz)
Wavelength (nm)
43
194.3
1542.94
4
44
194.4
1542.14
45
194.5
1541.35
46
194.6
1540.56
47
194.7
1539.77
48
194.8
1538.98
49
194.9
1538.19
50
195.0
1537.40
51
195.1
1536.61
5
52
195.2
1535.82
53
195.3
1535.04
54
195.4
1534.25
55
195.5
1533.47
56
195.6
1532.68
57
195.7
1531.90
58
195.8
1531.12
59
195.9
1530.33
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DWDM-8C Rev. B
3 Connections
3.1 Mounting the DWDM-8
The DWDM-8C must be mounted in a Flashlink subrack. This is done from the rear of
the subrack. Do not use force when inserting the DWDM-8C, once the module’s upper
rail aligns with the card rail in the subrack, it should slide easily into place. Lock it with 4
M2.5x8mm screws.
Figure 2: DWDM-8 mounted in a Flashlink subrack
3.2 1-8 channel system
Connect each of the optical ports to the corresponding optical port on the receiver or
transmitter that matches the signal type and wavelength.
Care must be taken to stay within the power supply specification for the frame. Power
supply requirements for each module are listed in that module’s user manual. If the
total power supply requirement for a frame exceeds the capabilities of the power supply
mounted in that frame, some modules must be moved to a separate frame and power
supply.
Figure 3: Interconnection of an 8 channel system
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DWDM-8C Rev. B
Figure 4: 8 channel filter connected to main fibre
3.3 9-40 channel system
Each set of 8 channels must first be connected like described in Chapter 3.2, Figure 3.
Next, the frames are interconnected, endpoint “A” should be opposite of endpoint “B”
for optimum performance. For endpoint “A”, the common port of module 1A would
typically be the common port of the whole system, connected to the outside world. The
upgrade port of module 1 would connect to the common port of module 2A, and so on.
For endpoint “B”, the common port of module 5B would connect to the outside world
(and thus to common port of 1A), while the upgrade port of 5B would connect to the
common port of 4B.
Figure 5: Optimal interconnection of a 40 channel system
This way, the insertion loss can be considered to be identical for all channels in a 40
channel system. If the system is set up in a different way, some channels will see less
insertion loss, while others see more. This limits the optical budget. If the optical budget
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DWDM-8C Rev. B
is not a limiting factor, the system can be connected in any way, since all modules
come with an upgrade port.
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DWDM-8C Rev. B
1.
The equipment will meet the guaranteed performance specification under the
following environmental conditions:
-
Operating room temperature
range:
°C to 50°C
-
Operating relative humidity range:
<90% (non-condensing)
2.
The equipment will operate without damage under the following environmental
conditions:
-
Temperature range:
-10°C to 60°C
-
Relative humidity range:
<95% (non-condensing)
General environmental requirements for Nevion equipment
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DWDM-8C Rev. B
Product Warranty
The warranty terms and conditions for the product(s) covered by this manual follow the
General Sales Conditions by Nevion, which are available on the company web site:
www.nevion.com
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DWDM-8C Rev. B
組成名稱
Part Name
Toxic or hazardous substances and elements
鉛
Lead
(Pb)
汞
Mercury
(Hg)
镉
Cadmium
(Cd)
六价铬
Hexavalent
Chromium
(Cr(VI))
多溴联苯
Polybrominated
biphenyls
(PBB)
多溴二苯醚
Polybrominated
diphenyl ethers
(PBDE)
DWDM-8C
O O O O O
O
O: Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part is
below the limit requirement in SJ/T11363-2006.
X: Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials used
for this part is above the limit requirement in SJ/T11363-2006.
Appendix A Materials declaration and recycling
information
A.1 Materials declaration
For product sold into China after 1st March 2007, we comply with the “Administrative
Measure on the Control of Pollution by Electronic Information Products”. In the first
stage of this legislation, content of six hazardous materials has to be declared. The
table below shows the required information.
This is indicated by the product marking:
A.2 Recycling information
Nevion provides assistance to customers and recyclers through our web site
http://www.nevion.com/. Please contact Nevion’s Customer Support for assistance with
recycling if this site does not show the information you require.
Where it is not possible to return the product to Nevion or its agents for recycling, the
following general information may be of assistance:
Before attempting disassembly, ensure the product is completely disconnected
from power and signal connections.
All major parts are marked or labeled to show their material content.
Depending on the date of manufacture, this product may contain lead in solder.
Some circuit boards may contain battery-backed memory devices.
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