Cisco ONS 15454 - Figure 3-6 DS3 N-12 Faceplate and Block Diagram; Table 3-7 DS3-12 and DS3 N-12 Card-Level Indicators

3-14
Cisco ONS 15454 Reference Manual, R7.0.1
OL-9217-01
Chapter 3 Electrical Cards
3.5 3.5.3 DS3-12 and DS3N-12 Card-Level Indicators
Figure 3-6 shows the DS3N-12 faceplate and a block diagram of the card.
Figure 3-6 DS3N-12 Faceplate and Block Diagram
3.5.3 DS3-12 and DS3N-12 Card-Level Indicators
Table 3-7 describes the three card-level LEDs on the DS3-12 and DS3N-12 card faceplates.
BTC
ASIC
DS3A
ASIC
61348
Protection
Relay
Matrix
B
a
c
k
p
l
a
n
e
12
Line
Interface
Units
FAIL
ACT/STBY
SF
DS3N
12
1345987
Table 3-7 DS3-12 and DS3N-12 Card-Level Indicators
Card-Level Indicators Description
Red FAIL LED The red FAIL LED indicates that the card processor is not ready. Replace the
card if the red FAIL LED persists.
ACT/STBY LED
Green (Active)
Amber (Standby)
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.
Amber SF LED The amber SF LED indicates a signal failure or condition such as port LOS.