New and Used Cisco 15454-G1K-4 Gigabit Ethernet Cards for Sale (15454G1K4)

Short Description: USED / REFURBISHED CISCO ONS 15454 GIGABIT ETHERNET 4 CKT L1, XC/XC-VT/XC-10G CARD - CIRCUIT PACK - INTERFACE MODULE (Cisco Cerent 15454 series)

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15454-G1K-4 Product Specifications

The Cisco ONS 15454 G-Series Gigabit Ethernet card is a four-port, 1000 Mbps Ethernet module using pluggable Gigabit Ethernet interface converter (GBIC) optical modules for the flexible interface support to multiple types of client equipment. The G-Series card has four "virtual" SONET/SDH interfaces that can be mapped to optical transport cards via the cross-connect cards within the ONS 15454 chassis. These virtual ports are scalable in size from STS-1 (~50 Mbps) to STS-24c/VC-4-8c (~1.25 Gbps), or an aggregate of 2.5 Gbps total virtual port bandwidth per card.

There are two operating modes for the G-Series card, cross-connected and transponder. In cross-connected mode, the Gigabit Ethernet client interfaces each get encapsulated into a SONET/SDH payload and exits the G-Series card through the virtual ports for cross-connection to the optical interfaces.

The G-Series payloads can be transported over protected circuits (UPSR, path protected mesh network (PPMN), BLSR, and 1+1) or unprotected circuits, providing the level of resiliency specified by the network administrator or available bandwidth.

In transponder operating mode, the Gigabit Ethernet client interfaces each get directed, within the G-Series card, to another Gigabit Ethernet client interface on the same G-series card, never accessing the SONET/SDH encapsulation process or the virtual ports.

The ONS 15454 equipped with the G-series card allows the enterprise user to build a highly reliable, multiservice network to support their video, voice, and data network (see Figure 6). Additionally, the ONS 15454 based network provides the flexibility to support traditional TDM based services along with Ethernet services, enabling a evolutionary network growth versus a revolutionary, risky implementation. The ONS 15454 provides transport scalability from 155 Mbps (OC-3/STM-1) up to 320 Gbps (32 wavelength of 10 Gbps), positioning the enterprise network for future growth.