Cisco WS-X6908-10G-2T Switch Line Card
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Category: Catalyst 6500
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Model: WS-X6908-10G2T--RF
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Description: C6K8prt10GBEthernetmodulew/DFC4(Trustsec) S REMANUFACTURED
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Price: 29,679.66 USDLast Update: 2021-11-01
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The Cisco Catalyst 6900 Series 8-port 10 Gigabit Ethernet Fiber Module is a high-performance networking solution designed specifically for the Cisco Catalyst 6500 Series Switches. It serves as a critical component for enterprise, commercial, and service provider environments, particularly within campus cores and data centers. By integrating advanced hardware capabilities, this module addresses the growing demand for secure, scalable, and high-bandwidth network traffic aggregation.
This series is engineered to work exclusively with the Cisco Catalyst 6500 Supervisor Engine 2T (VS-S2T-10G or VS-S2T-10G-XL). This pairing significantly enhances the system's overall performance and scalability, offering up to three times the performance and four times the scalability compared to previous generations. It is an ideal choice for organizations managing bandwidth-intensive applications, such as financial market data feeds or large-scale video broadcasting, where predictable performance and robust security are essential.
Product overview
The Cisco Catalyst 6900 Series includes two primary module configurations: the WS-X6908-10G-2T and the WS-X6908-10G-2TXL. Both modules feature eight 10 Gigabit Ethernet fiber ports and utilize two 40 Gbps connections to the Supervisor Engine 2T’s switch fabric, ensuring a total of 80 Gbps throughput with no oversubscription. A standout capability of this series is its support for Cisco TrustSec and hardware-based Layer 2 encryption (MACSec), which facilitates secure Role-Based Access Control (RBACL) across the network.
These modules are highly flexible, supporting pluggable X2 optics that allow for deployment across various distances, ranging from 300 meters on multimode fiber to 80 kilometers on single-mode fiber. Furthermore, the modules support Virtual Switch Link (VSL) on all ports, enabling high port density—up to 88 ports in a single Cisco Catalyst 6513-E chassis and up to 176 ports in a Virtual Switching System (VSS) 4T configuration. With large 256 MB packet buffers per port and distributed forwarding, the series ensures reliable traffic management even under heavy loads.
Features and benefits
- High-Performance Forwarding: Equipped with DFC4 or DFC4XL cards for distributed forwarding, supporting up to 60 Mpps for L2, IPv4, and MPLS, and 30 Mpps for IPv6.
- Advanced Security: Native support for Cisco TrustSec and IEEE 802.1ae (MACSec) for hardware-based Layer 2 encryption.
- Scalability: Supports up to 1 million+ forwarding entries (on XL models), 128K MAC addresses, and 16K Bridge Domains, allowing for extensive VLAN reuse.
- Traffic Management: Features 256 MB of packet buffers per port and sophisticated queuing mechanisms, including DWRR, WRED, and SRR, to ensure high-quality service for critical applications.
- Hardware-Based Multicast: Includes four replication engines per module, providing a total throughput of 80 Gbps for efficient multicast traffic handling.
- Versatile Connectivity: Supports a wide range of X2 optics and SFP+ modules (via converter), covering distances from short-range multimode to 80km long-range single-mode fiber.
- Tunneling Support: Robust hardware support for IPv4 and IPv6 tunneling, including GRE, ISATAP, and 6to4, with comprehensive QoS support for tunnel modes.
- Operational Efficiency: Full compatibility with Cisco Catalyst 6500 E-Series chassis and support for Virtual Switching System (VSS) to simplify network architecture and management.
Product Overview
The Cisco Catalyst 6500 Series Switches offer a variety of 10 Gigabit Ethernet modules to serve different needs in the campus and data center for enterprise, commercial, and service provider customers. The Cisco Catalyst 6900 Series 8-port 10 Gigabit Ethernet Fiber Module is the first 10 Gigabit Ethernet Module for the Cisco Catalyst 6500 Series Switch that supports Cisco TrustSec and Layer 2 encryption in hardware to enable IEEE 802.1ae (MACSec) encryption for Role-Based Access Control (RBACL) functionality. The module has two 40 Gbps connections (for a total of 80 Gbps) to the 2Tbps switch fabric of the Supervisor Engine 2T and therefore is able to deliver 10 Gigabit performance on all 8 ports for larger than 128 bytes size packets with no oversubscription. The new Cisco Catalyst 6900 Series 8-port 10 Gigabit Ethernet Fiber module supports Virtual Switch Link (VSL) on all 8 ports. The Cisco Catalyst 6900 Series 8-port 10 Gigabit Ethernet Fiber Module supports pluggable X2 optics, providing operational distances of up to 80 km over single-mode fiber and 300m over multimode fiber allowing for deployment in various types of networking environments. The Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module is only compatible with the new Cisco Catalyst 6500 Supervisor Engine 2T (VS-S2T-10G or VS-S2T-10G-XL), enabling the system to deliver three times the performance and four times the scalability for Cisco Catalyst 6500 Series Switches in comparison to the previous generation.
The new Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber module is designed for deployment in the distribution and core of the campus and data center for traffic aggregation in a network requiring security, manageability, virtualization, application performance, and video. With its large 256 MB packet buffers per port, no oversubscription, and distributed forwarding with high scalability, the new Cisco Catalyst 6900 Series 8-port 10 Gigabit Ethernet Fiber module is able to deliver secure and predictable performance for bandwidth-intensive applications such as market data feeds in the financial vertical or video broadcast in campus networks.
The 8-Port 10 Gigabit Ethernet Fiber Module (Figure 1) provides up to 88 10 Gigabit Ethernet Fiber ports in a single Cisco Catalyst 6513-E chassis and 176 10 Gigabit Ethernet ports in a Cisco Catalyst 6500 Virtual Switching System (VSS) 4T.

For more information, see the white paper discussing 10 Gigabit Ethernet switching for enterprises at http://www.cisco.com/en/US/products/hw/switches/ps708/products_white_paper0900aecd802a648b.shtml.
Main Features and Benefits
Table 1 summarizes the primary features and benefits of the Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module.
Table 1.Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module Primary Features
|
Feature |
Cisco Catalyst 6900 Series 8-Port 10GbE Fiber Module |
|
Ports |
8 |
|
Optics |
X2 |
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Switch fabric connection |
80 Gbps full duplex |
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Oversubscription |
1:1 |
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Forwarding engine |
●WS-X6908-10G-2T: comes equipped with DFC4 for distributed forwarding, supporting 256K forwarding entries, increased ACL entries to 64K, increased Netflow entries to 512K, and increased IPv4 forwarding speed to 60 Mpps
●WS-X6908-10G-2TXL: equipped with DFC4XL for distributed forwarding, supporting 1 million+ forwarding entries, increased ACL entries to 256K, increased Netflow entries to 1 million+ and increased IPv4 forwarding speed to 60 Mpps
●Increased performance of up to 60Mpps for L2, IPv4 and MPLS forwarding and up to 30Mpps for IPv6 forwarding
●Increased multicast routes to 256K
●Support for 16K Bridge Domains, allowing the standard 4K VLANs to be reused across these bridge domains, effectively increasing the number of VLANs available in the system
●Increased MAC Address Table to 128K
●IPV4 IGMPv3 snooping in hardware
●IPv6 MLDv2 snooping in hardware
●PIM registers in hardware
●IPV4 & IPv6 in IPv6 tunneling
●IPv6 in IPv4 tunneling (ISATAP, 6to4, GRE)
●QoS support for uniform, short pipe and pipe mode tunnel
●Terminate the tunnel in the same loopback
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Security |
●TrustSec and IEEE 802.1ae Layer 2 Encryption in HW to enable MACSec
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Queues |
●Receive: 8q4t
●Transmit: 1p7q4t
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Queuing mechanisms |
●Class of Service (CoS) based queue mapping
●Differentiated Service Code Point (DSCP) based queue mapping
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Scheduler |
●Deficit Weighted Round Robin (DWRR)
●Weighted Random Early Detection (WRED)
●Smoothed Round Robin (SRR) at egress
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Port buffers |
●256MB per port
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Hardware-based multicast replication |
●Ingress and egress
●Approximately 20 Gbps per replication engine
●4 replication engines per module delivering total throughput of 80 Gbps
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Jumbo frame support for bridged and routed packets |
Up to 9216 bytes |
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Maximum port density per chassis |
64 ports (6509-E chassis) 88 ports (6513-E chassis) |
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Maximum port density per VSS |
128 ports (6509-E chassis) 176 ports (6513-E chassis) |
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Can be used to form virtual switch link |
Yes (all ports) |
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Supervisor engines supported |
Supervisor Engine 2T and 2TXL |
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Chassis supported |
●Any Cisco Catalyst 6500 E-Series chassis, including 6503-E, 6504-E, 6506-E, 6509-E, 6509-V-E, 6513-E (NEBS compliant: operating temperature up to 55°C)
●Not supported in non-E Series chassis.
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Slot requirements |
●Can occupy any slot in any Cisco Catalyst 6503-E, 6504-E, 6506-E, 6509-E, or 6509-V-E chassis
●Can occupy slots 1-6 and 9-13 in a Cisco Catalyst 6513-E chassis
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Onboard memory |
2 GB default (no higher upgrade) |
Table 2 summarizes pluggable optics supported on the Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module.
Table 2.Pluggable Optics for Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module
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Part Number |
Transceiver Type |
Wavelength |
IEEE Standard |
Maximum Distance and Cable Type [1] |
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X2-10GB-LRM |
10GBASE-LRM |
1310 nm serial |
IEEE 802.3aq |
220m over multimode fiber |
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X2-10GB-LR |
!0GBASE-LR |
1310 nm serial |
IEEE 802.3ae |
10 km over single-mode fiber |
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X2-10GB-SR |
10GBASE-SR |
850 nm serial |
IEEE 802.3ae |
●26m over 62.5-micron FDDI-grade multimode fiber
●33m over 62.5-micron 200 MHz x km multimode fiber
●66m over 50-micron 400 MHz x km multimode fiber
●82m over 50-micron 500 MHz x km multimode fiber
●300m over 50-micron 2000 MHz x km multimode fiber
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X2-10GB-ER |
10GBASE-ER |
1550 nm serial |
IEEE 802.3ae |
40 km over single-mode fiber |
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X2-10GB-ZR |
10GBASE-ZR |
1550 nm serial |
80 km over single-mode fiber |
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X2-10GB-LX4 |
10GBASE-LX4 |
WWDM 1310 nm |
IEEE 802.3ae |
●300m over 62.5-micron FDDI grade multimode fiber
●240m over 50-micron 400 MHz x km multimode fiber
●300m over 50-micron 500 MHz x km multimode fiber
|
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X2-10GB-CX4 |
10GBASE-CX4 |
Copper |
IEEE 802.3ak |
15m over 8 pair 100-Ohm InfiniBand cable |
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X2-10G-DWDM |
DWDM |
32 different wavelengths; C band |
100 GHz ITU grid |
32 wavelengths over single strand of single-mode fiber; 80 km |
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CVR-X2-SFP10G |
SFP+ converter for X2 ports |
|||
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SFP-10G-LRM |
10GBASE-LRM |
1310 nm |
IEEE 802.3 |
220m over multimode fiber |
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SFP-10G-LR |
10GBASE-LR |
1310 nm |
IEEE 802.3 |
10 k over single-mode fier |
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SFP-10G-ER |
10GBASE-ER |
1550 nm |
IEEE 802.3 |
40 k over single-mode fiber |
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SFP-H10GB-CU1M1 (With CVR-X2-SFP10G converter for X2 ports) |
Cisco 10GBASE-CU SFP+ cable |
Copper |
SFP+ MSA SFF-8431 |
1-m 10G SFP+ Twinax cable assembly, passive |
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SFP-H10GB-CU3M1 (With CVR-X2-SFP10G converter for X2 ports) |
Cisco 10GBASE-CU SFP+ cable |
Copper |
SFP+ MSA SFF-8431 |
3-m 10G SFP+ Twinax cable assembly, passive |
|
SFP-H10GB-CU5M1 (With CVR-X2-SFP10G converter for X2 ports) |
Cisco 10GBASE-CU SFP+ cable |
Copper |
SFP+ MSA SFF-8431 |
5-m 10G SFP+ Twinax cable assembly, passive |
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SFP-10G-SR (With CVR-X2-SFP10G converter for X2 ports) |
10GBASE-SR SFP+ transceiver module |
850nm |
IEEE 802.3ae |
●26m over 62.5-micron FDDI-grade multimode fiber
●33m over 62.5-micron 200 MHz x km multimode fiber
●66m over 50-micron 400 MHz x km multimode fiber
●82m over 50-micron 500 MHz x km multimode fiber
●300m over 50-micron 2000 MHz x km multimode fiber
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For more information about most up to date EOS/EOL information on Cisco Catalyst 6500 Series Switches compatible transceivers, visit http://www.cisco.com/en/US/products/hw/modules/ps5455/prod_eol_notices_list.html.
Product Specifications
Table 3 lists product specifications of the Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module.
Table 3.Product Specifications
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Product |
Specifications |
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Standard protocols |
IEEE 802.1d, IEEE 802.1p, IEEE 802.1q, IEEE 802.1s, IEEE 802.1w, IEEE 802.3x, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3aq, and IEEE 802.3an |
|
Physical specifications |
●Occupies one slot in the Cisco Catalyst 6500 E-Series chassis
●Dimensions (H x W x D): 1.73 x 14.4 x 16 in. (4.4 x 36.6 x 40.6 cm)
●Weight: 12.6 pounds excluding X2 components; ¼ pound for each X2
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|
Environmental conditions |
Operating temperature: ●Agency-certified for operation: 32 to 104°F (0 to 40°C)
●Design and tested for operation 32 to 130°F (0 to 55°C)
●Storage temperature: -40 to 167°F (-40 to 75°C)
●Relative humidity: 10 to 90 percent, noncondensing
Operating altitude: ●Agency-certified for operation: -500 to 6500 ft (-150 to 2000m)
●Designed and tested for operation -500 to 10000 ft (-150 to 3000m)
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Regulatory compliance |
Cisco Catalyst 6500 Series 10 Gigabit Ethernet Fiber modules, when installed in a system, comply with the following EMC and safety standards: EMC Standards: ●FCC Part 15 (CFR 47) Class A
●ICES-003 Class A
●VCCI Class A
●EN55022 Class A
●EN55024
●CISPR24
●CISPR 22 Class A
●AS/NZS CISPR 22 Class A
●ETS 300 386
●KN 22 Class A
●EN61000-3-2
●EN61000-3-3
●CNS13438 Class A
Safety Standards: ●UL 60950-1
●CAN/CSA C22.2 No. 60950
●EN 60950-1
●IEC 60950-1
●AS/NZS 60950-1
|
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NEBS criteria levels |
SR-3580 Issue 3, June 2007 (GR-63-CORE, issue 3, and GR-1089-CORE, issue 4) [2] |
|
ETSI |
●ETS 300 019-2-1, Class 1.2 Storage
●ETS 300 019-2-2, 2.3 Transportation
●ETS 300 019-2-3, Class 3.2 Stationary Use
|
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Network management |
●ETHERLIKE-MIB (RFC 1643)
●IP-MIB and IP-FORWARD-MIB for IPv6
●IF-MIB (RFC 1573)
●Bridge MIB (RFC 1493)
●CISCO-STACK-MIB
●CISCO-VTP-MIB
●CISCO-CDP-MIB
●RMON MIB (RFC 1757)
●CISCO-PAGP-MIB
●CISCO-STP-EXTENSIONS-MIB
●CISCO-VLAN-BRIDGE-MIB
●CISCO-VLAN-MEMBERSHIP-MIB
●ENTITY-MIB (RFC 2037)
●HC-RMON
●RFC1213-MIB (MIB-II)
●SMON-MIB
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Power requirements |
●WS-X6908-10G-2T: 588 Watts Maximum
●WS-X6908-10G-2TXL: 603 Watts Maximum
●At the time of the writing of this datasheet, the final power numbers are not known. Please consult the 12.2(50)SY Release Notes for these numbers if they are not provided here.
●Go tohttp://www.cisco.com/go/powercalculator for easy power consumption calculation.
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Indicators |
●Status: green (operational), red (faulty), and orange (module booting)
●Link: green (port enabled and connected), orange (port disabled), and off (port enabled and not connected)
●Blue Beacon: Used to ID a specific module in a fully populated system, within a multi-system environment
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Ordering Information
Table 4 gives ordering information.
Table 4.Part Numbers for Ordering
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Part Numbers |
Description |
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10 Gigabit Ethernet Fiber Modules |
|
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WS-X6908-10G-2T |
Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module with DFC4 (Requires X2) |
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WS-X6908-10G-2TXL |
Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module with DFC4XL (Requires X2) |
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WS-X6908-10G-2T= |
Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module with DFC4 (Requires X2) Spare |
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WS-X6908-10G-2TXL= |
Cisco Catalyst 6900 Series 8-Port 10 Gigabit Ethernet Fiber Module with DFC4XL (Requires X2) Spare |
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WS-F6K-DFC4-EXL= |
Cisco Catalyst 6500 Dist Fwd Card- DFC4XL Spare, for WS-X6908-10G-2T |
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X2 Optics |
|
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X2-10GB-LRM |
10GBASE-LRM X2 (multimode fiber) |
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XR-10GB-LR |
10GBASE-LR X2 (single-mode fiber) |
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X2-10GB-SR |
10GBASE-SR X2 (multimode fiber) |
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X2-10GB-ER |
10GBASE-ER X2 (single-mode fiber) |
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X2-10GB-ZR |
10GBASE-ZR X2 (single-mode fiber) |
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X2-10GB-LX4 |
10GBASE-LX4 X2 (multimode fiber) |
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X2-10GB-CX4 |
10GBASE-CX4 X2 (copper InfiniBand cable) |
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X2-10G-DWDM |
32 wavelengths over single strand of single-mode fiber; 80 km |
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SFP Optics |
|
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CVR-X2-SFP10G |
SFP+ converter for X2 ports |
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SFP-10G-LRM |
10GBASE-LRM SFP+ Transceiver Module |
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SFP-10G-LR |
10GBASE-LR SFP+ Transceiver Module |
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SFP-10G-ER |
10GBASE-ER SFP+ Transceiver Module |
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SFP-10G-SR |
10GBASE-SR SFP+ transceiver module |
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SFP-H10GB-CU1M1 |
1-m 10G SFP+ Twinax cable assembly, passive |
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SFP-H10GB-CU3M1 |
3-m 10G SFP+ Twinax cable assembly, passive |
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SFP-H10GB-CU5M1 |
5-m 10G SFP+ Twinax cable assembly, passive |
Note:
●8-port 10 Gigabit Ethernet Fiber Module:
◦WS-X6908-10G-2T ships with WS-X6908-10GE and WS-F6K-DFC4-E.
◦WS-X6908-10G-2TXL ships with WS-X6908-10GE and WS-F6K-DFC4-EXL.
◦The front panel of these modules is labeled:
WS-X6908-10GE-2T or
WS-X6908-10GE-2TXL if it is XL version
◦Cisco IOS Software commands will display WS-X6908-10GE with either WS-F6K-DFC4-E or WS-F6K-DFC4-EXL for XL version.
For More Information
For more information about Cisco Catalyst 6500 Series Switches, visit:
http://www.cisco.com/en/US/products/hw/switches/ps708/index.html
| Model | WS-X6908-10G2T--RF |
| Category | Catalyst 6500 |
| Subcategory | Catalyst 6500 10 Gigabit Ethernet For Sup2T - Top Sellers |
| Description | C6K8prt10GBEthernetmodulew/DFC4(Trustsec) S REMANUFACTURED |
| Price | 29,679.66 USD |
| Last Update | 2021-11-01 |
