Cisco CWDM Passives for 16-Channel CWDM HFC Architectures Ficha De Dados
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Figure 1. Cisco Prisma LGX iWDM (Left), GS 7000 Module (Top Left), and Cassette (Bottom Right)
Specifications
Tables 1 and 2 provide product specifications for the Cisco Prisma multiplexer and demultiplexer components.
Table 1.
Unique Specifications
Specification
Units
Cisco Prisma LGX
Cisco GS 7000 Optical Hub
Cisco Prisma Cassette
Insertion loss (maximum)
multiplexer and demultiplexer
multiplexer and demultiplexer
dB
4 channel: 1.5
8 channel: 2.3
16 channel: 3.0
-
8 channel: 2.3
16 channel: 3.0
4 channel: 1.8
8 channel: 2.5
16 channel: 3.3
Isolation (maximum)
dB
>28 (adjacent channels)
>40 (nonadjacent channels)
Dimensions
Depth (maximum)
in.
6.26
21.3
1.77 or 3.54 (4,8, or 16 channel)
cm
15.9
54.1 (GS 7000 Optical Hub)
4.5 or 9.0 (4,8, or 16 channel)
Width
in.
2.3 or 3.45 (2 slots or 3 slots)
11.1
2.75 or 4.33 (4,8, or 16 channel)
cm
5.8 or 8.7 (2 slots or 3 slots)
28.2 (GS 7000 Optical Hub)
7.0 or 11.0 (4,8, or 16 channel)
Height
in.
4.0
11.6
0.35 or 0.31 (4,8, or 16 channel)
cm
10.2
29.5 (GS 7000 Optical Hub)
0.9 or 0.8 (4,8, or 16 channel)
Faceplate height
in.
5.1
-
-
cm
13.0
Table 2.
General Specifications
Specification
Units
Cisco Prisma LGX
Cisco GS 7000 Optical Hub
Cisco Prisma Cassette
Channel bandwidth @
–0.5 dB
nm
λ
c
± 0.125
Channel spacing
GHz
100
Polarization dependent loss
(PDL)
(PDL)
dB
4, 8 channel: ≤ 0.15
16 channel: ≤ 0.20
16 channel: ≤ 0.20
4, 8 channel: ≤ 0.15
16 channel: ≤ 0.20
16 channel: ≤ 0.20
0.20
Polarization mode dispersion
(PMD)
(PMD)
ps
≤ 0.15
Directivity
dB
≥ 50