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The Cisco® I-Flex approach combines shared port adapters (SPAs) and SPA interface processors (SIPs), providing an extensible design that enables service prioritization for data, voice, and video services. Enterprise and service provider customers can take advantage of improved slot economics resulting from modular port adapters that are interchangeable across Cisco routing platforms. The Cisco I-Flex design maximizes connectivity options and offers superior service intelligence through programmable interface processors that deliver line-rate performance. Cisco I-Flex enhances speed-to-service revenue and provides a rich set of quality-of-service (QoS) features for premium service delivery while effectively reducing the overall cost of ownership. This data sheet contains the specifications for the Cisco 4-Port and 8-Port 10BASE-T/100BASE-TX Fast Ethernet Shared Port Adapters, Version 2

The Cisco Fast Ethernet SPAs are available on high-end Cisco routing platforms, offering the benefits of network scalability with lower initial costs and easy upgrades. The Cisco SPA/SIP portfolio continues the company's focus on investment protection along with consistent feature support, broad interface availability, and the latest technology. The Cisco SPA/SIP portfolio allows deployment of different interfaces (packet over SONET/SDH [POS], ATM, Ethernet, etc.) on the same interface processor.

Fast Ethernet interfaces are commonly used to interconnect routers or other devices within a central office or data center or in a metropolitan-area network (MAN). With Cisco Fast Ethernet SPAs, users can mix and match SPA ports with other types of interfaces in the same slot. Each SPA provides standards-based Fast Ethernet implementation for compatibility and interoperability.


The Cisco Fast Ethernet SPAs can be used in any combination of the following applications:

- Residential triple-play services

- Metro Ethernet services

- Converged residential and business services

- Internet peering

- Inter- and intra-point of presence (POP) aggregation
Cabling technology10/100BaseT(X)
Colour of productBlack,Stainless steel
Connectivity technologyWired
Data transfer rate10 Gbit/s
Data transfer rate (max)10240 Mbit/s
Depth184.9 mm
Electromagnetic compatibilityFCC, ICES 003, CISPR 22, EN 55022, EN 300386, AS/NRZ, VCCI, EN 50082-1/EN 6100-6-1, EN 55024, BSMI
Ethernet LANYes
Ethernet LAN (RJ-45) ports8
Ethernet LAN connectionYes
Ethernet LAN data rates10,100 Mbit/s
Flow control supportYes
Full duplexYes
Height20.3 mm
Host interfaceSmartSlot
LED indicatorsYes
Management protocolsSNMP
MIB supportRFC 2737, RFC 2665, RFC 1757
Networking standardsIEEE 802.1Q,IEEE 802.3x
Number of VLANs8000
Operating altitude-60 - 4000 m
Operating relative humidity (H-H)5 - 85 %
Operating relative humidity range5 - 85 %
Operating temperature (T-T)0 - 40 °C
Operating temperature range (T-T)0 - 40 °C
Power consumption (typical)16.2 W
Quality of Service (QoS) supportYes
SafetyUL 60950-1, CSA C22 No. 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950, EN 60825-1, EN 60825-2, 21 CRF 1040
Storage relative humidity (H-H)5 - 95 %
Storage relative humidity range5 - 95 %
Storage temperature (T-T)-40 - 70 °C
Storage temperature range (T-T)-40 - 70 °C
Supported data transfer rates1000/100/10
Weight340 g
Width171.5 mm

Cisco SPA-8X1FE-TX-V2

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