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Cisco 15454-DS3EC1-48, Refurbished

Part No:
15454-DS3EC1-48-RF
exc VAT
£4,699.74
£5,639.69
inc VAT
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Description

The Cisco® ONS 15454 SONET 48-Port DS-3/EC-1 Interface Card provides a cost-effective, high-density DS-3/EC-1 interface solution for hand-offs and aggregation of large numbers of DS-3 and EC-1 circuits between networks. The card’s high-density design frees up shelf-assembly slots for additional service-interface types.

Product Overview
The Cisco ONS 15454 SONET 48-Port DS-3/EC-1 Interface Card provides 48 Telcordia-compliant, GR-499-CORE DS-3 C-Bit or M2/3 framed or unframed interfaces operating at 44.736 Mbps or GR-253-CORE EC-1 interfaces operating at 51.840 Mbps received over 75 -ohm coaxial cable. The Cisco Transport Controller craft manager supports manual-mode or automode DS-3 frame-format provisioning, simplifying the activation of services. DS-3/EC-1 signals are terminated on one of the Cisco ONS 15454 shelf assembly’s high-density electrical interface adapter (EIA) panels. The DS-3 interface is used for terminating 44.736 Mbps plesiosynchronous transport signals within a central office or customer premises. Each DS-3 signal is mapped and transported over a single SONET STS-1 in asynchronous DS-3 mapping mode according to GR-253-CORE encapsulation requirements. The output STS-1 is connected to the Cisco ONS 15454 system’s cross-connect matrix, allowing the signal to be groomed with other services for transport over a higher-order optical (OC-n) signal. The EC-1 interface is used for terminating 51.840 Mbps SONET signals, typically from a voice switch found in a central office. Each EC-1 signal is mapped per GR-253-CORE and transported over a single SONET STS-1. The output STS-1 is connected to the Cisco ONS 15454 system’s cross-connect matrix, allowing the signal to be multiplexed with other VT1.5- or STS-1-based signals for transport over a higher-order optical (OC-n) signal.

The 48-port DS-3/EC-1 card supports multiple card-protection options, including 1:0 (unprotected) and 1:N, N ≤2. It can be provisioned to operate as a working or protection card, reducing spares inventories and their associated cost. The 48-port DS-3/EC-1 card supports circuit-level interoperability with the existing Cisco ONS 15454 12-port DS-3 and 12-port EC-1 cards. The system supports in-service upgrades, with compatible configurations, from the 12-port DS-3 or EC-1 cards to the 48-port card, allowing the user to increase the number of interfaces supported on a shelf assembly or reduce the number of shelf slots required to terminate a given quantity of DS-3/EC-1 interfaces.
To aid with system troubleshooting and fault isolation, the 48-port DS-3/EC-1 card supports near-end and far-end performance-monitoring capabilities at the SONET, DS-3, and EC-1 levels. Loopback support, including near-end and far-end facility (line) and terminal configurations along with far-end activation code (FEAC) support, further simplifies fault-isolation procedures. The card provides three faceplate-mounted status indicators: a red FAIL LED for hardware-level problems; dual color, green/yellow ACTIVE/STANDBY LED to indicate when the card is being used as the active card or a protection card, and a yellow SIGNAL FAIL LED for problems being received on incoming ports. The condition of the card’s individual interface ports can be queried using the shelf’s liquid crystal display (LCD) panel as well as the browser-based Cisco Transport Controller craft interface.


Feature Feature Value
Standard interfaces SONET
Number of service slots 1
Ventilation type Passive
Power consumption (typical) 42 W
Width 18.2 mm
Depth 228.6 mm
Height 321.3 mm
Operating temperature (T-T) -40 – 65 °C
Operating relative humidity (H-H) 5 – 95%

Brand

Cisco

Additional information

Standard interfaces

SONET

Ventilation type

Passive

Width

18.2 mm

Height

321.3 mm

Number of service slots

1

Power consumption (typical)

42 W

Depth

228.6 mm

Operating temperature (T-T)

-40 – 65 °C

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