Figure 3-6 Ds3N-12 Faceplate And Block Diagram; Table 3-8 Ds3-12 And Ds3N-12 Card-Level Indicators - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

Chapter 3 Electrical Cards
Figure 3-6
Figure 3-6
DS3N
12
FAIL
ACT/STBY
SF
3.6.3 DS3-12 and DS3N-12 Card-Level Indicators
Table 3-8
Table 3-8
Card-Level Indicators
Red FAIL LED
ACT/STBY LED
Green (Active)
Amber (Standby)
Amber SF LED
78-18106-01
shows the DS3N-12 faceplate and a block diagram of the card.
DS3N-12 Faceplate and Block Diagram
12
Line
Protection
Interface
Relay
Units
Matrix
describes the three card-level LEDs on the DS3-12 and DS3N-12 card faceplates.
DS3-12 and DS3N-12 Card-Level Indicators
Description
The red FAIL LED indicates that the card processor is not ready. Replace the
card if the red FAIL LED persists.
When the ACT/STBY LED is green, the card is operational and ready to
carry traffic. When the ACT/STBY LED is amber, the card is operational and
in standby (protect) mode.
The amber SF LED indicates a signal failure or condition such as port LOS.
3.6.3 DS3-12 and DS3N-12 Card-Level Indicators
B
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c
DS3A BTC
k
ASIC ASIC
p
l
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Cisco ONS 15454 Reference Manual, R8.5
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