Figure 3-1 Ec1-12 Faceplate And Block Diagram; Ec1-12 Slots And Connectors - Cisco ONS 15454 Reference Manual

3.2 3.2.1 EC1-12 Slots and Connectors

3.2.1 EC1-12 Slots and Connectors
You can install the EC1-12 card in Slots 1 to 6 or 12 to 17 on the ONS 15454. Each EC1-12 interface
features DSX-level (digital signal cross-connect frame) outputs supporting distances up to 450 feet
(137 meters) depending on facility conditions. See the
Backplane" section on page 7-5
restrictions.
3.2.2 EC1-12 Faceplate and Block Diagram
Figure 3-1
Figure 3-1
EC1
12
FAIL
ACT/STBY
SF
Cisco ONS 15454 Reference Manual, R7.0.1
3-4
for more information about electrical card slot protection and
shows the EC1-12 faceplate and a block diagram of the card.
EC1-12 Faceplate and Block Diagram
main STS1
Line
Interface
Unit
protect STS1
"7.2 Electrical Card Protection and the
STS-1
STS-12/
Framer
12xSTS-1
Mux/Demux
x12
ASIC
Chapter 3 Electrical Cards
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a
BTC
c
ASIC
k
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