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Cisco ONS 15454 DWDM Engineering and Planning Guide, Release 7.x
July 2006
Chapter 2 Cards Specifications
2.2.4 Optical Amplifiers
2.2.4.1 OPT-PRE Card
Table 2-21 provides the internal parameters and performance information for the OPT-PRE preamplifier
card.
Figure 2-4 shows a graphical representation of a standard range power mask for OPT-PRE card.
Figure 2-4 OPT-PRE Standard Range Power Mask
Table 2-21 OPT-PRE Card Standard Power and Gain Range
Parameter Comment Min Typical Max Unit
Total input signal
power range
Full channel load; see Figure 2-4
for a detailed Pin-Pout power
mask
–4 — 12 dBm
Single channel; see Figure 2-4 for
a detailed Pin-Pout power mask
–22 — –6 dBm
Maximum output
signal power
Full channel load 17.0 — 17.5 dBm
Single channel –1.0 — –0.5 dBm
Mid-stage loss
range
—3—9dB
Maximum total
mid-stage output
power
— ——15dBm
Maximum
per-channel
mid-stage output
power
At 32 channels — — 0 dBm
Maximum optical
amplifier signal
gain
With tilt controlled at 0 dB — — 21 dB
Standard gain
range
With tilt controlled at 0 dB 5 — 21 dB