Cisco ONS 15454 EC1-12 User Manual

3-15
Cisco ONS 15454 Reference Manual, R4.1.x and 4.5
October 2003
Chapter 3 Electrical Cards
DS3-12E and DS3N-12E Cards
3.6.2 DS3-12E and DS3N-12E Slots and Connectors
You can install the DS3-12E and DS3N-12E cards in Slots 1 to 6 or 12 to 17 on the ONS 15454. Each
DS3-12E and DS3N-12E port features DSX-level outputs supporting distances up to 137 m (450 ft).
With the proper backplane EIA, the card supports BNC or SMB connectors. See “Electrical Card
Protection and the Backplane” section on page 4 for more information about electrical card slot
protection and restrictions.
3.6.3 DS3-12E Faceplate and Block Diagram
Figure 3-6 shows the DS3-12E faceplate and a block diagram of the card.
Figure 3-6 DS3-12E Faceplate and Block Diagram
61349
B
a
c
k
p
l
a
n
e
DS3
ASIC
Flash
uP bus
SDRAM
BTC
ASIC
Line
Interface
Unit #1
main DS3-m1
protect DS3-p1
Line
Interface
Unit #1
main DS3-m12
protect DS3-p12
Processor
OHP
FPGA
BERT
FPGA
FAIL
ACT
SF
DS3
12E

Cisco ONS 15454 EC1-12 Specifications

General

Interface Type	Optical
Wavelength	1310 nm
Ports	12
Storage Temperature	-40°C to 70°C
Humidity	5% to 95% (non-condensing)