Figure 3-7 Oscm Voa Optical Module Functional Block Diagram; Table 3-3 Oscm Voa Port Calibration; Table 3-4 Oscm Card-Level Indicators; Power Monitoring - Cisco ONS 15454 DWDM Reference Manual

Chapter 3 Optical Service Channel Cards
Figure 3-7
OSC TX

3.3.1 Power Monitoring

Physical photodiode P1 monitors the power for the OSCM card. The returned power level value is
calibrated to the OSC TX port
Table 3-3
Photodiode
P1
For information on the associated TL1 AIDs for the optical power monitoring points, refer the "CTC
Port Numbers and TL1 Aids" section in Cisco ONS SONET TL1 Command Guide, Release 8.5.
3.3.2 OSCM Card-Level Indicators
The OSCM card has three card-level LED indicators, described in
Table 3-4
Card-Level Indicators
Red FAIL LED
78-18343-02
OSCM VOA Optical Module Functional Block Diagram
P1
Control
Module
Physical photodiode
P1
OSC Variable optical attenuator
(Table 3-3).
OSCM VOA Port Calibration
CTC Type Name Calibrated to Port
Output OSC OSC TX
OSCM Card-Level Indicators
Description
The red FAIL LED indicates that the card's processor is not ready or that
there is an internal hardware failure. Replace the card if the red FAIL LED
persists.
OSC RX
Control
Interface
Table 3-4.
Cisco ONS 15454 DWDM Reference Manual, R8.5
3.3.1 Power Monitoring
3-7