Cisco Cisco ONS 15454 SDH Multiservice Provisioning Platform (MSPP) Guía De Instalación

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Installing ONS 15454 SDH E3-12 Cards
78-14606-01
E3-12 Card
E3-12 Card
The twelve-port ONS 15454 SDH E3-12 card provides twelve ITU-compliant, G.703 E-3 ports per card. 
Each interface operates at 34.368 MBits/s (Mbps) over a 75 ohms coaxial cable (with FMEC-E3/DS3). 
The E3-12 card operates as a working or protect card in 1:1 protection schemes and as a working card 
in 1:N protection schemes. 
 shows the E3-12 faceplates, an
 shows a block diagram of 
the card.
Figure 1
E3-12 faceplate
You can install the E3-12 card in any multispeed or high-speed card slot on the ONS 15454 SDH. Each 
E3-12 port features ITU-T G.703 compliant level outputs supporting cable losses of up to 12 dB @ 
17184 kHz. 
The E3-12 card supports 1:1 protection. 
Note
The lowest level cross-connect is STM-1. Lower level signals, such as E-1, DS-3, or E-3, can be 
dropped. This may leave part of the bandwidth unused. 
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