Cisco ONS 15454 DWDM Reference Manual

3-6
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 3 Optical Service Channel Cards
3.3 OSCM Card
Figure 3-6 shows the OSCM card faceplate and block diagram.
Figure 3-6 OSCM Card Faceplate
For information on safety labels for the card, see the “3.2 Class 1 Laser Safety Labels” section on
page 3-2.
Figure 3-7 shows the block diagram of the variable optical attenuator (VOA) within the OSCM.
OSCM
FAIL
ACT
SF
UC
RX TX
96464
ASIC
OC3-ULR
Optical
transceiver
OSC
Line
OC-3
FPGA
OC-12
POS
OC-3
MII
145944
Processor
VOA
Physical
Interface
DC/DC
19.44 MHz
Line Ref clock
Power supply
Input filters
BAT A&BMT CLKt
0 Slot
1-6
MT CLKt
0 Slot
12-17
6
MP
SCL Bus
to TCCs
FE
FE User
Channel
6
TOH &
Cell Bus

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