Cisco Systems 15454 2.2.3 Optical Add and Drop Cards

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Cisco ONS 15454 DWDM Engineering and Planning Guide, Release 7.x

July 2006

Chapter2 Cards Specifications 2.2.3 Optical Add and Drop Cards

2.2.3 Optical Add and Drop Cards

This section describes the internal parameter and performance information for the 32WSS, 32WSS-L,

32DMX, 32DMX-L, 32DMX-O, 32DMX-L, AD-1B-xx.x, AD-4B-xx.x, AD-1C-xx.x, AD-2C-xx.x,

AD-4C-xx.x, and MMU cards.

Table2-8 defines internal parameter and performance details for the 32WSS card.

Insertion loss LINERX – OSCTX 0.5 1.4 dB

LINERX – COMTX 0.4 1.2 dB

OSCRX – LINETX 1.2 2.2 dB

COMRX – LINETX 1.2 2.2 dB

OSC crosstalk LINERX – OSCTX

OSCRX – LINETX

30 — dB

Isolation LINERX – COMTX

COMRX – LINETX

–15 — dB

OSC band chromatic dispersion LINERX – OSCTX

OSCRX – LINETX

–20 +20 ps/nm

Channel band chromatic dispersion LINERX – COMTX

COMRX – LINETX

–20 +20 ps/nm

PMD Each optical path — 0.1 ps

PDL LINERX – COMTX

LINERX – OSCTX

COMRX – LINETX

— 0.2 dB

OSCRX – LINETX — 0.5

Optical power setting accuracy VOA in closed loop –0.5 +0.5 dB

Optical power setting time VOA in closed loop — 200 ms

VOAosc dynamic range — 30 — dB

VOAosc off state AVS state 39 — dB

Switch input lambda range COMRX – LINETX 1528 1605 nm

Switch open condition attenuation COMRX – LINETX >40 — dB

Switching time Closed/Open COMRX – LINETX —5ms

Open/Closed — 20

Directivity — 40 — dB

Return loss — 40 — dB

Table2-7 OSC-CSM Card Optical Speciﬁcations (continued)

Parameter Condition Min Max Unit