2-26
Cisco ONS 15454 DWDM Engineering and Planning Guide, Release 7.x
July 2006
Chapter2 Cards Specifications
2.2.3 Optical Add and Drop Cards
2.2.3.7 4MD-xx.x Card
Table2-14 defines optical parameters for the 4MD-xx.xx card.
Table2-13 32DMX-O Card Optical Parameters
Parameter Min Typical Max Unit
–1 dB bandwidth 160 — 300 pm
In-band ripple — — 0.5 dB
Insertion loss 4 — 8.5 dB
Insertion loss disuniformity — — 1.5 dB
Adjacent crosstalk 23 — — dB
Nonadjacent crosstalk 30 — — dB
Total crosstalk 20 — — dB
PDL — — 1.5 dB
In-band chromatic dispersion –20 — +20 ps/nm
In-band PMD — — 0.5 ps
Optical power/VOA attenuation setting
resolution — — 0.1 dB
Optical power setting accuracy –0.5 — +0.5 dB
VOA attenuation setting accuracy –0.1 — +0.1 dB
Power monitoring indication response time — — 20 ms
Optical power/VOA attenuation settling
time — — 200 ms
Optical rise and fall time — — 200 ms
Optical over and undershoot –1.5 — +1.5 dB
VOA dynamic range 25 — — dB
VOA shutoff attenuation (AVS) with unit
Powered Off 20——dB
VOA shutoff attenuation (AVS) with unit
powered on 40——dB
Directivity 40 — — dB
Return loss 40 — — dB
Optical monitor tap splitting ratio on
monitor port 19 — 21 dB
Maximum optical input power 300 — — mW
Maximum AWG startup time — — 10 min.