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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
Table 2-22 indicates the extended power and gain range for OPT-PRE card.
Figure 2-5 shows a graphical representation of an extended range power mask for an OPT-PRE card.
Figure 2-5 OPT-PRE Card Extended Range Power Mask
2.2.4.2 OPT-BST and OPT-BST-E Cards
Table 2-23 and Table 2-24 define all optical internal parameters and performance information for the
OPT-BST and OPT-BST-E booster amplifier cards.
Table 2-22 OPT-PRE Extended Power and Gain Range
Parameter Comment Min Typical Max Unit
Total input signal
power range
Full channel load
See Figure 2-5 for
detailed P
in
-P
out
power
mask
–21.5 –4 dBm
Single channel
See Figure 2-5 for
detailed P
in
-P
out
power
mask
–39.5 –22 dBm
Maximum output
signal power
Full channel load 17.0 — 17.5 dBm
Single channel –1.0 — –0.5 dBm
Extended gain range
1
1. In the DWDM system, the amplifier will be used in Constant Gain mode for Gain <= 28 dB; in the region 28dB < Gain <=
38.5 dB, the operational mode will be Constant Output Power mode.
See Figure 2-5
Uncontrolled Tilt
21 38.5 dB