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STACK-T2-3M
Cisco STACK-T2-3M StackWise-160 3 m Stack Cable for Catalyst...
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STACK-T2-3M is a stack cable for the 3M Type 2 Stacking Cable, StackWise-160, 160 Gbps and 3 m reach on Catalyst 3650 switches. 3 m reach is the edge over the 1 m Type 2 cable. Match it to Catalyst 3650 StackWise adapters. This Catalyst 3650 stack cable links rear StackWise adapters and uses copper-based StackWise cabling. A StackWise-160 stack acts as one switching unit with active and standby roles, stateful switchover and a single IP address. STACK-T2-1M suits shorter side-by-side runs; this 3 m stack cable serves the longer side-by-side connection. A full ring preserves redundant StackWise cable connections.
STACK-T2-3M price for new stock is $68.25, a 43.1% saving from the Cisco list price of $120.00. STACK-T2-3M refurb price is $49.35. STACK-T2-3M is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for STACK-T2-3M for additional pricing. Browse the full Cisco 3650 Stack Kits & Cables series or explore all Cisco products.
160 Gbps of stack bandwidth belongs to StackWise-160, and the stack uses copper-based Cisco StackWise cabling. 3 m length has a 91 mm minimum bend radius and a 182 mm minimum coiled diameter. Nine Catalyst 3650 switches form the maximum data stack. Full-ring cabling gives full bandwidth and redundant StackWise cable connections; incomplete cabling gives half bandwidth and no redundant connections. STACK-T2-3M attaches to StackWise adapters in rear StackWise ports, and the screws are finger-tightened. Adapters are preinstalled when stacking is ordered; otherwise C3650-STACK-KIT= supplies two adapters and a 0.5 m cable. LAN Base stacks with LAN Base only, and IP Base and IP Services follow the same rule.
STACK-T2-3M is offered in new sealed and certified refurbished condition. Certified refurbished units are inspected and bench-tested between two compatible switches; connectors, pins, latches and housing are inspected and the stack link is up at the rated bandwidth. New carries up to 3-year extended warranty; certified refurbished carries up to 1 year; 30 days on every condition; terms apply. Order one cable per member for a full ring, or one fewer than the member count for a chain; confirm 3 m reach and StackWise adapters before the PO. Regional stock and RMA with advance replacement cover UK · EU · US · MEA; PO accepted and Net-30 for government.
| Key Specs | Key Spec Values |
|---|---|
Stacks | Catalyst 3650 |
Technology | StackWise-160, 160 Gbps |
Stack Features | 3 m reach, stateful switchover |
Length | 3 m |
Lifecycle Status | Cisco stopped selling on 12 September 2024 |
Max Members | 9 |
A buyer replacing a damaged Type 2 link in a Catalyst 3650 stack needs the same 3 m reach and StackWise-160 technology. STACK-T2-3M preserves the rear StackWise adapter connection and the 160 Gbps stack design. Count the failed link, confirm screw condition, and order that cable before the PO.
A buyer closing a Catalyst 3650 chain into a full ring needs one cable per member instead of one fewer than the member count. STACK-T2-3M fits the links that need 3 m reach. Count the switches, count the existing links, and order the missing ring cable before the PO.
A buyer placing Catalyst 3650 switches side by side needs a measured rear-port path before choosing the cable length. STACK-T2-3M covers the 3 m StackWise-160 link in that layout. Measure the route around power supplies and cable managers before the PO.
Catalyst 3850 stack
STACK-T2-3M is a Type 2 cable for Catalyst 3650 StackWise-160 stacks. Catalyst 3850 uses STACK-T1-3M for the 3 m StackWise cable.
Missing StackWise adapters
STACK-T2-3M is a cable only and seats into installed StackWise adapters. A switch without adapters needs C3650-STACK-KIT= for two adapters and a 0.5 m cable.
Mixed license stack
Catalyst 3650 LAN Base stacks only with LAN Base; IP Base and IP Services follow the same rule. Split mixed feature sets before cabling.
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| Product Type | Stack Cable | Stack Slot Blank | Stack Cable | Stack Module | Stack Cable |
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STACK-T2-3M is the Cisco 3M Type 2 Stacking Cable for Catalyst 3650 StackWise-160 stacks. The PID identifies a Type 2 data stack cable with 3 m reach. It links rear StackWise adapters and belongs with Catalyst 3650 switches, not power stacking or uplink ports.
STACK-T2-3M fits Catalyst 3650 switches with StackWise adapters in the rear StackWise ports. A Catalyst 3650 and Catalyst 3850 mixed stack is not supported. Catalyst 3850 uses STACK-T1-3M for the 3 m StackWise cable, so equal 3 m length does not mean a shared cable.
A Catalyst 3650 uses Type 2 StackWise-160 stack cables: STACK-T2-50CM, STACK-T2-1M and STACK-T2-3M. STACK-T2-3M is the 3 m option for longer rear-port paths. Switches without StackWise adapters need the Catalyst 3650 stack kit before a cable can make the data stack link.
STACK-T2-3M carries the StackWise-160 stack technology figure of 160 Gbps on Catalyst 3650 stacks. StackWise-160 gives active and standby roles, stateful switchover, one switching unit and one IP address. A working stack can add or remove members without service interruption.
A full Catalyst 3650 ring needs one STACK-T2-3M per switch when every stack link needs 3 m reach. A chain uses one fewer cable than the member count. Count members first, then measure each rear-port path before using 3 m for every link.
STACK-T2-3M serves Catalyst 3650 StackWise-160 stacks of up to nine switches. Full-ring cabling gives full bandwidth and redundant StackWise cable connections. Incomplete StackWise cabling gives half bandwidth and no redundant connections, and a failed link can partition the stack.
STACK-T2-3M installs between StackWise adapters in the rear StackWise ports. Align the connector with the adapter, keep the logo on the top side, insert the connector and finger-tighten the screws. Switches ordered without stacking need adapters before the cable is installed.
STACK-T2-3M cables a Catalyst 3650 stack only after the switch feature sets match. LAN Base stacks only with LAN Base, and the same rule applies to IP Base and IP Services. A mixed LAN Base, IP Base or IP Services stack is not supported.
STACK-T2-3M= is the Cisco spare form of STACK-T2-3M for the 3 m Type 2 Stacking Cable. The equals sign changes the ordering form, not the StackWise-160 technology, 3 m length or Catalyst 3650 fit. Use the form that matches the BOM.
STACK-T2-3M gives 3 m reach, while STACK-T2-1M gives 1 m reach for the same Catalyst 3650 Type 2 StackWise cabling. Choose STACK-T2-3M for longer side-by-side or spaced rear-port paths. Choose STACK-T2-1M where the measured path stays within 1 m.
STACK-T2-3M is a 3 m data stack cable, while C3650-STACK-KIT= is the Catalyst 3650 stacking upgrade kit with two adapters and a 0.5 m StackWise cable. Choose the cable for reach. Choose the kit when the switch lacks StackWise adapters.
Cisco stopped selling STACK-T2-3M on 12 September 2024. Cisco service ends 31 May 2028 for this stack cable, and no replacement product is named for this PID. Cisco service ends 31 October 2026 for the Catalyst 3650 switch family. The cable milestone is later than the switch family milestone.
ORM offers STACK-T2-3M in new sealed and certified refurbished condition. New carries up to 3-year extended warranty, and certified refurbished carries up to 1 year. Returns are 30 days on every condition; terms apply. Cisco service ends 31 May 2028, so the Cisco lifecycle remains date-bound.