Electrical Cards - Cisco ONS 15454 EC1-12 Reference Manual

DS3-12 and DS3N-12 Cards
Figure 3-5 shows the DS3N-12 faceplate and a block diagram of the card.
Figure 3-5
DS3N
12
FAIL
ACT/STBY
SF
3.5.4 DS3-12 and DS3N-12 Card-Level Indicators
Table 3-4 describes the three card-level LEDs on the DS3-12 and DS3N-12 card faceplates.
Table 3-4
Card-Level Indicators
Red FAIL LED
ACT/STBY LED
Green (Active)
Amber (Standby)
Amber SF LED
Cisco ONS 15454 Reference Manual, R4.1.x and 4.5
3-12
DS3N-12 Faceplate and Block Diagram
12
Line
Protection
Interface
Relay
Units
Matrix
DS3-12 and DS3N-12 Card-Level Indicators
Description
The red FAIL LED indicates that the card's processor is not ready. Replace
the card if the red FAIL LED persists.
When the ACTV/STBY LED is green, the DS3-12 card is operational and
ready to carry traffic. When the ACTV/STBY LED is amber, the DS3-12
card is operational and in standby (protect) mode.
The amber SF LED indicates a signal failure or condition such as port LOS.
B
a
c
DS3A BTC
k
ASIC ASIC
p
l
a
n
e
Chapter 3

Electrical Cards

February 2004