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C2960X-FIBER-STK
Cisco C2960X-FIBER-STK FlexStack-Extended Fiber Stack Module...
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C2960X-FIBER-STK is the FlexStack-Extended Fiber stacking module for 40 Gbps FlexStack-Extended stacks on Catalyst 2960-X switches. Two SFP+ ports give the fiber module long-reach out-of-the-wiring-closet stacking. Catalyst 2960-XR uses the same module when the switch has the back-panel stacking slot. This Catalyst 2960-X stack module serves stack-capable LAN Base and IP Lite models, not LAN Lite models or the WS-C2960X-24PSQ-L fanless switch. The rear module slot provides the stack ports, and the stack runs as one switching unit with a unified data plane, one configuration and a single management IP address. C2960X-HYBRID-STK trades one fiber port for one copper FlexStack-Plus port.
C2960X-FIBER-STK price is $675.32, a 14.6% saving from the Cisco list price of $791.09. C2960X-FIBER-STK is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for C2960X-FIBER-STK for additional pricing. Browse the full Cisco 2960X Stack Modules series or explore all Cisco products.
40 Gbps of stack bandwidth applies to a FlexStack-Extended stack that uses fiber modules, hybrid modules, or FlexStack-Plus with extended modules. Two SFP+ stack ports sit on each fiber module, and both ports must stay in the same role as stack ports or network ports after a reload. Eight switches form the maximum stack within Catalyst 2960-X LAN Base or Catalyst 2960-XR IP Lite groups. C2960X-FIBER-STK defaults both SFP+ ports to stack ports. Full-ring and half-ring designs use the 10G SFP+ ports, and all green stack-port LEDs mark full-bandwidth operation. Cisco IOS 15.2(6)E is the minimum release for FlexStack-Extended.
C2960X-FIBER-STK is offered new sealed and certified refurbished. Certified refurbished modules are inspected and bench-tested between two compatible switches; module seats and locks in the rear slot and is recognized by the switch. Order one module for each stack member and match SFP+ optics to the distance between switches. Warranty is new — up to 3-year extended and certified refurbished — up to 1 year, with 30 days on every condition · terms apply. UK · EU · US · MEA regional stock/RMA carries PO accepted, Net-30 for government and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Stacks | Catalyst 2960-X / Catalyst 2960-XR |
Technology | FlexStack-Extended, 40 Gbps |
Stack Features | Two SFP+ long-reach ports / single IP |
Lifecycle Status | Cisco stopped sales 31 October 2022 |
Replacement PID | C9200L-STACK-KIT |
Max Members | 8 switches |
A buyer building a stack across wiring closets needs the fiber module because the two SFP+ ports carry FlexStack-Extended over optics. LR distance is 300 m and EX distance is 7 km. Count one module per switch and match the optics to the measured path before the PO.
A buyer adding members to an existing Catalyst 2960-X LAN Base or Catalyst 2960-XR IP Lite stack needs one rear module in each added switch. The stack cap is 8 switches, and feature sets must stay within the same family group before modules are counted.
A buyer replacing a failed fiber stack module needs the same module type to keep online insertion and removal in scope. A different module type requires a reload. Count one replacement for the affected switch and verify Cisco IOS 15.2(6)E or later before staging.
LAN Lite or fanless 2960-X
C2960X-FIBER-STK does not add stacking to Catalyst 2960-X LAN Lite models or WS-C2960X-24PSQ-L; those switches lack a usable FlexStack module slot.
Mixed 2960-X and 2960-XR stack
Catalyst 2960-X and Catalyst 2960-XR switches do not stack together with FlexStack-Extended; stack LAN Base with LAN Base or IP Lite with IP Lite.
One copper local port
C2960X-FIBER-STK has two SFP+ ports and no copper FlexStack-Plus port; C2960X-HYBRID-STK is the hybrid module with one copper port and one SFP+ port.
Mon–Fri: [09:00-16:00]
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| C2960X-FIBER-STK |  C2960X-STACK |  C2960X-HYBRID-STK |  CAB-STK-E-0.5M |  CAB-STK-E-1M | |
|---|---|---|---|---|---|
| Product Type | Stack Module | Stack Module | Stack Module | Stack Cable | Stack Cable |
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C2960X-FIBER-STK is the Cisco FlexStack-Extended Fiber stacking module for Catalyst 2960-X and 2960-XR FlexStack-Extended stacks. C2960X marks Catalyst 2960-X, FIBER marks the two SFP+ fiber ports, and STK marks the stack-module role. The module runs 40 Gbps FlexStack-Extended stacking.
C2960X-FIBER-STK fits Catalyst 2960-X LAN Base and Catalyst 2960-XR IP Lite switches with the back-panel FlexStack module slot. Catalyst 2960-X LAN Lite models and WS-C2960X-24PSQ-L do not stack. Catalyst 2960-X and Catalyst 2960-XR switches do not stack together, so match the feature set group.
Catalyst 2960-X uses C2960X-FIBER-STK for FlexStack-Extended fiber stacking. The same accessory group includes C2960X-HYBRID-STK for one copper and one fiber port, C2960X-STACK for FlexStack-Plus, and CAB-STK-E-0.5M, CAB-STK-E-1M and CAB-STK-E-3M for copper FlexStack-Extended cable lengths.
C2960X-FIBER-STK provides 40 Gbps stack bandwidth for FlexStack-Extended fiber-module stacks. FlexStack-Extended gives long-reach out-of-the-wiring-closet stacking, a unified data plane, one configuration and a single management IP address. Stack fast convergence is not supported on hybrid stack and fiber stack modules.
A stack needs one C2960X-FIBER-STK module per switch because the module supplies the two rear SFP+ stack ports for that member. A full 8-member stack needs 8 modules, plus the SFP+ optics and fiber runs that match the distance between switch locations.
C2960X-FIBER-STK allows 8 Catalyst 2960-X LAN Base members or 8 Catalyst 2960-XR IP Lite members in a FlexStack-Extended stack. Full-ring and half-ring designs use the 10G SFP+ stack ports. Green stack-port LEDs on all switches mark full-bandwidth operation.
C2960X-FIBER-STK is hot swappable when the replacement uses the same module type. A different module type requires a reload. The module occupies the rear FlexStack module slot, defaults both SFP+ ports to stack ports, and uses LEDs for link, traffic and link-up progress.
Yes. C2960X-FIBER-STK has two 10G SFP+ stack ports that convert to network ports after a reload. Both ports must use the same role; using one port as an uplink and the other as a stack port is not supported.
C9200L-STACK-KIT is the replacement PID named for C2960X-FIBER-STK. The replacement moves the order from a Catalyst 2960-X FlexStack-Extended Fiber module to a Cisco Catalyst 9200L Stack Module. Confirm the target switch family, kit contents and stack design before ordering the replacement.
C2960X-FIBER-STK has two SFP+ ports for long-reach out-of-the-wiring-closet stacking. C2960X-HYBRID-STK has one copper FlexStack-Plus port and one SFP+ port, so it suits a stack that must connect local copper FlexStack-Plus members while keeping one long-reach fiber port.
C2960X-FIBER-STK is the 40 Gbps FlexStack-Extended fiber module for long-reach SFP+ stacking. C2960X-STACK is the FlexStack-Plus hot-swappable stacking module for local copper stacking at 80 Gbps on Catalyst 2960-X LAN Base or Catalyst 2960-XR IP Lite stacks.
Cisco stopped selling C2960X-FIBER-STK on 31 October 2022. Cisco service ends on 31 October 2027 for the Catalyst 2960X Product Family. The affected product entry names C9200L-STACK-KIT as the replacement PID. The part still serves Catalyst 2960-X and 2960-XR FlexStack-Extended stacks.
ORM offers C2960X-FIBER-STK as new sealed with up to 3-year extended warranty and certified refurbished with up to 1 year. Cisco service ends on 31 October 2027, and Cisco's hardware term is Enhanced Limited Lifetime for the Catalyst 2960-X and 2960-XR family. Returns are 30 days on every condition · terms apply.
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