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CAB-SPWR-35CM
Cisco CAB-SPWR-35CM StackPower+ 0.35 m StackPower Cable for...
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CAB-SPWR-35CM is a 0.35 m Cisco Catalyst StackPower cable for StackPower+ power sharing on C9350 switches. The 0.35 m length is the default StackPower cable length for C9350 orders when no length is specified. C9350 switches do not take Catalyst 9300 or previous generation StackPower cables. A Cisco C9350 stack cable connects the StackPower connectors on the rear panel and carries power sharing between switches, not data stack traffic. StackPower+ operates as a unified power pool across connected supplies. CAB-SPWR-100CM is the same C9350 StackPower cable in a 1 m length for longer spacing. Use the longer sibling when cabinet spacing exceeds adjacent-switch reach.
CAB-SPWR-35CM price is is available on request. Get immediate quote.
Request bulk order quote for CAB-SPWR-35CM for additional pricing. Browse the full Cisco 9350 Stack Cables series or explore all Cisco products.
0.35 m of cable reach serves adjacent C9350 StackPower connectors; 1 m is the other C9350 StackPower length for spaced switches. A StackPower ring can include a maximum of four switches. Power sharing provides up to 1000 W in nominal conditions and 2400 W in failure conditions across the power stack. Power-sharing mode is the recommended configuration for C9350 switches. Redundant mode holds the largest power supply wattage in reserve for a supply failure. CAB-SPWR-35CM plugs into the StackPower port on the rear panel, then the captive screws are hand-tightened. A broken ring remains in power sharing, with reduced power budgeting and reduced protection against further failures. A double fault can partition members into separate power stacks.
CAB-SPWR-35CM is offered new sealed and certified refurbished. Certified refurbished units are inspected and bench-tested between two compatible switches; power sharing forms between the two switches. Count one StackPower cable per ring link, and confirm 0.35 m reaches adjacent rear-panel StackPower connectors before the PO. New warranty is up to 3-year extended, certified refurbished warranty is up to 1 year, and returns are 30 days on every condition, terms apply. Regional stock and RMA cover UK, EU, US and MEA; PO accepted, Net-30 for government and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Stacks | C9350 |
Technology | StackPower+ |
Length | 0.35 m |
Power Sharing | 4-switch ring |
Topology | Full ring |
A buyer replacing a failed C9350 StackPower link needs the same 0.35 m length when the switches are adjacent. A faulty cable creates a broken ring fault; power remains shared, but power budgeting and protection against another failure are reduced. Count the failed link and order one cable for that link.
A buyer building a C9350 power-sharing ring needs one StackPower cable for each link around the ring. A power stack can include a maximum of four switches in ring topology. Count the members in that power stack and confirm 0.35 m reaches each adjacent rear connector before the PO.
A buyer adding power supplies across C9350 members uses StackPower+ to operate the supplies as one pool. Power-sharing mode aggregates the power in the stack, while redundant mode reserves the largest supply wattage. Match power supply sizes where cabling ease matters, then count each power link.
Catalyst 9300 power stacks
C9350 switches do not take Catalyst 9300 StackPower cables. Catalyst 9300 power stacks use CAB-SPWR-30CM for 0.3 m links or CAB-SPWR-150CM for 1.5 m links.
Previous generation StackPower
C9350 switches do not take StackPower cables from previous generation switches. Catalyst 3750-X power stacks use CAB-SPWR-30CM or CAB-SPWR-150CM.
One metre C9350 reach
CAB-SPWR-35CM is the 0.35 m C9350 StackPower cable. Use CAB-SPWR-100CM when the C9350 power link needs the 1 m cable length.
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| CAB-SPWR-35CM |  CAB-SPWR-100CM |  STACK-T1A-3M |  STACK-T1A-50CM |  STACK-T1A-1M | |
|---|---|---|---|---|---|
| Product Type | StackPower Cable | StackPower Cable | Stack Cable | Stack Cable | Stack Cable |
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CAB-SPWR-35CM is the Cisco Catalyst StackPower cable 35 cm spare in base form. It is a 0.35 m StackPower cable for C9350 switches and StackPower+ power sharing. The cable connects rear StackPower ports between two switches and carries power sharing, not data stacking.
CAB-SPWR-35CM fits C9350 switches with rear StackPower connectors. C9350 switches do not take StackPower cables from the Catalyst 9300 Series or other previous generation switches. Catalyst 9300 power stacks use CAB-SPWR-30CM or CAB-SPWR-150CM instead, while C9350 uses CAB-SPWR-35CM or CAB-SPWR-100CM.
A C9350 uses CAB-SPWR-35CM for 0.35 m StackPower links and CAB-SPWR-100CM for 1 m StackPower links. Both are C9350 StackPower cable choices. C9350 data stacking uses separate StackWise-1.6T cables, so the StackPower cable count follows power links rather than data stack ports.
StackPower+ on CAB-SPWR-35CM pools power supplies across connected C9350 switches. Power-sharing mode aggregates power for stack members, and redundant mode reserves the largest power supply wattage for a failure. The C9350 power stack provides up to 1000 W in nominal conditions and 2400 W in failure conditions.
A C9350 StackPower ring needs one cable per power link, so a four-switch ring needs four StackPower cables. CAB-SPWR-35CM is the 0.35 m length for adjacent switches. Use CAB-SPWR-100CM when the same C9350 power link needs the 1 m cable length.
Up to four C9350 switches can share power in a StackPower ring with CAB-SPWR-35CM. A broken ring remains a power-sharing stack, but power budgeting and protection for further failures are reduced. A second fault can partition members into separate power stacks.
CAB-SPWR-35CM installs into the rear StackPower ports on two C9350 switches. Remove the dust covers, align each connector with a StackPower port, seat the cable ends, and hand-tighten the captive screws. Repeated removal and insertion can shorten the useful life of the cable.
CAB-SPWR-35CM is the base product ID, and CAB-SPWR-35CM= is the spare ordering form for the same 0.35 m C9350 StackPower cable. The equals sign does not make the cable a different length, family fit or technology. Match the form required on the PO.
CAB-SPWR-35CM is 0.35 m, while CAB-SPWR-100CM is 1 m. Both are C9350 StackPower cables for the same StackPower+ power stack. CAB-SPWR-35CM suits adjacent rear connectors, and CAB-SPWR-100CM suits a longer C9350 power link without changing topology.
CAB-SPWR-35CM fits C9350 StackPower links, while CAB-SPWR-30CM fits Catalyst 9300 and Catalyst 3750-X StackPower links. The length difference is 0.35 m against 0.3 m, but the family fit is the ordering consequence. C9350 switches do not take Catalyst 9300 or previous generation StackPower cables.
Cisco has not announced an end-of-sale date for CAB-SPWR-35CM. CAB-SPWR-35CM serves C9350 switches that remain listed with StackPower+ cables, and the same family also uses CAB-SPWR-100CM for 1 m power links.
ORM offers CAB-SPWR-35CM new sealed and certified refurbished. New sealed warranty is up to 3-year extended, certified refurbished warranty is up to 1 year, and returns are 30 days on every condition, terms apply. C9350 switches carry Cisco Limited Lifetime warranty, while ORM's warranty covers the purchased cable condition.
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