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Cisco ONS 15454 DWDM Engineering and Planning Guide, Release 7.x
July 2006
Chapter 2 Cards Specifications
2.2.3 Optical Add and Drop Cards
In-band ripple 0.5 dB at VOA minimum attenuation
Out-of-band ripple (COM RX – Exp TX) 0.3 dB
Left/Right adjacent crosstalk 25 dB
First channel nonadjacent crosstalk 30 dB
Nonadjacent crosstalk 35 dB
Left/Right isolation drop path –26 dB
Left/Right isolation add path –13 dB
Table 2-17 AD-C-xx.x Card Optical Parameters
Optical Parameters Value
Maximum insertion loss drop section 2 dB
Maximum insertion loss add section 2.6 dB at VOA minimum attenuation
Maximum insertion loss express section
(Exp RX – COM TX)
1.1 dB
Maximum insertion loss express section
(COM RX – Exp TX)
2.2 dB at VOA minimum attenuation
Adjacent crosstalk 25 dB
Nonadjacent crosstalk 35 dB
Isolation left/right –14 dB
VOA dynamic range 30 dB
Table 2-18 AD-2C-xx.x Card Optical Parameters
Optical Parameters Value
Maximum insertion loss drop section 2.4 dB
Maximum insertion loss add section 3.1 dB at VOA minimum attenuation
Maximum insertion loss express section
(Exp RX – COM TX)
1.5 dB
Maximum insertion loss express section
(COM RX – Exp TX)
2.7 dB at VOA minimum attenuation
Adjacent crosstalk 25 dB
Nonadjacent crosstalk 35 dB
Isolation left/right –14 dB
VOA dynamic range 30 dB
Table 2-16 AD-4B-xx.x Card Optical Parameters (continued)
Optical Parameters Value