Cisco ONS 15454 DWDM Reference Manual

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Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 4 Optical Amplifier Cards
4.8.3 OPT-AMP-17-C Automatic Power Control
Figure 4-22 OPT-AMP17-C Block Diagram
Figure 4-23 shows how the OPT-AMP-17-C optical module functions.
Figure 4-23 OPT-AMP-17-C Optical Module Functional Block Diagram
4.8.3 OPT-AMP-17-C Automatic Power Control
A transient gain range of 20 to 23 dB is available to APC in order to permit other amplifiers to reach
their expected set points. However, operation in this range is not continuous. At startup, the
OPT-AMP-17-C card caps the gain at a maximum of 20 dB.
Optical
module
Line RX
Monitor Line RX
180928
Processor
Line TX
COM TX
COM RX
OSC TX
Monitor Line TX
OSC RX
FPGA
For SCL Bus
management
SCL Bus
TCCi M
SCL Bus
TCCi P
DC/DC
Power supply
Input filters
BAT A&B
MON TX OSC RX
MON RX OSC TX
OSC
COM RX
P1
P2
P4
P5
COM TX
LINE TX
APR
signal
LINE RX
in RX
P
Physical photodiode
P3
OSC
add
OSC
drop
159519

Cisco ONS 15454 DWDM Specifications

General

Chassis Type	DWDM
Form Factor	Rack-mountable
Slots	17
Storage Temperature	-40 to 158°F (-40 to 70°C)
Relative Humidity	5% to 95% non-condensing
Power Supply	AC or DC
Cooling	Internal fans
Operating Temperature	23 to 104°F (-5 to 40°C)
Altitude	0 to 6500 ft (0 to 1981 m)
Safety Compliance	EN 60950-1
EMI Compliance	FCC Part 15