Ds3/Ec1-48 Card-Level Indicators; Ds3/Ec1-48 Faceplate And Block Diagram - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

3.7.3 DS3/EC1-48 Card-Level Indicators

Figure 3-7
FAIL
ACT/STBY
SF
3.7.3 DS3/EC1-48 Card-Level Indicators
The DS3/EC1-48 card has three card-level LED indicators
Cisco ONS 15454 Reference Manual, R8.5
3-18

DS3/EC1-48 Faceplate and Block Diagram

DS3
EC1
48
48 DS3/EC1
Transformers
Ports
& Protection
Mux/Relays
(UBIC-V,
UBIC-H, or
HD MiniBNC)
4x STS-48
DS3/EC1
Mapper
Framer/ FPGA
Mapper/
LIU
Processor
(Table 3-10).
Chapter 3 Electrical Cards
Main & Protect
SCL Bus's
MAIN
IBPIA
ASIC
B
a
c
k
p
l
a
n
e
PROTECT
IBPIA
ASIC
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