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Cyan Z-Series Engineering and Planning Guide
Release 5.0
P a g e
152
© 2013 Cyan, Inc. – All Rights Reserved.
700-0023-05-00 Rev. 1
Fiber Type
Distance
(km)
Dispersion
(ps/nm)
Max Loss
(dB)
Max PMD
(ps)
Size
(1
RU)
LEAF
60
-229
5.6
0.60
0.5
LEAF
80
-305
6.5
0.70
0.5
LEAF
100
-382
7.3
0.80
0.5
Note:
These DCMs are installed in a 1
RU, 19" LGX rack-mount housing. All DCMs use LC connectors.
Fiber Bragg Grating DCMs
Fiber Bragg Grating (FBG) DCMs can be used in the mid-stage on any of the Cyan DWDM modules
(LAD-8E, LAD-40E, L-AMP, WSS-402, and WSS-404).
The FBG models support up to 40 channels with 100 GHz spacing. They exhibit lower loss and latency than
the standard fiber-based DCMs that allow them to be used with the amplifiers included on the WSS modules
(WSS-402 and WSS-404). The WSS modules are not compatible with fiber-based DCMs due to their
excessive loss.
The FBG DCMs are housed in a 1
RU LGX shelf. A shelf supports up to three modules. All modules require
a single slot. All DCMs use LC connectors.
Fiber Type
Distance
(km)
Dispersion
(ps/nm)
Max Loss
(dB)
Max PMD
(ps)
Size
(1
RU)
SMF-28
20
-328
<3
<1
0.33
SMF-28
40
-656
<3
<1
0.33
SMF-28
60
-985
<3
<1
0.33
SMF-28
80
-1313
<3
<1
0.33
SMF-28
100
-1641
<3
<1
0.33
TW-RS
80
-339
<3
<1
0.33
TW-RS
120
-509
<3
<1
0.33
TW-RS
160
-678
<3
<1
0.33
LEAF
80
-317
<3
<1
0.33
LEAF
120
-475
<3
<1
0.33
LEAF
160
-633
<3
<1
0.33