Cisco STACK-T3A-1M - 1M Type 3A Stacking Cable, StackWise-320, C9300L & 9300LM - Refresh
Cisco STACK-T3A-1M 1M Type 3A Stacking Cable for Catalyst 9300L 9300LM

The Cisco STACK-T3A-1M is a 1-meter (3.28 ft) Type 3A stacking cable built for Cisco StackWise-320, connecting Catalyst 9300L and 9300LM Series fixed-uplink switches into a single logical stack with up to 320 Gbps of stacking bandwidth. It pairs with the C9300L-STACK-A stack adapter and is used in the C9300L-STACK-KIT2 stacking kit on switches running Cisco IOS XE Cupertino 17.9.x or later. This Refresh cable has been tested and verified functional for full StackWise-320 stack operation.

Cisco STACK-T3A-1M - Key Features & Benefits

  • StackWise-320 Stacking: Delivers up to 320 Gbps of stack bandwidth, letting up to 8 Catalyst 9300L or 9300LM switches operate as one logical switch with a single management and control plane.
  • 1-Meter Type 3A Length: 3.28 ft (1.0 m) cable with a 1.6 in. (41 mm) minimum bend radius, giving flexible routing between rack-mounted stack members.
  • Requires C9300L-STACK-A Adapter: Designed for the C9300L-STACK-A stack adapter and Cisco IOS XE Cupertino 17.9.x or later on Catalyst 9300L and 9300LM Series switches.

Cisco STACK-T3A-1M - Technical Specifications

  • Part Number: STACK-T3A-1M
  • Product Type: Type 3A Stacking Cable
  • Compatible Switches: Catalyst 9300L & 9300LM Series
  • Stacking Technology: StackWise-320
  • Stack Bandwidth: Up to 320 Gbps
  • Required Adapter: C9300L-STACK-A (sold separately)
  • Minimum Software: Cisco IOS XE Cupertino 17.9.x or later
  • Cable Length: 3.28 ft (1.0 m)
  • Minimum Bend Radius: 1.6 in. (41 mm)
  • Condition: Refresh

Cisco STACK-T3A-1M - Frequently Asked Questions (FAQ)

  • What do I need to use this cable?
    Two C9300L-STACK-A stack adapters (sold separately) installed in the rear stacking bays of each switch, plus Cisco IOS XE Cupertino 17.9.x or later on your Catalyst 9300L or 9300LM switches to recognize the STACK-T3A cable type.
  • What's the difference between STACK-T3A-1M and STACK-T3-1M?
    The STACK-T3A-1M pairs with the C9300L-STACK-A adapter and is the only stacking cable type supported on Catalyst 9300LM switches. Catalyst 9300L switches can use either cable type, but each requires its matching adapter — STACK-T3-1M with C9300L-STACK, or STACK-T3A-1M with C9300L-STACK-A — so the cable and adapter must be ordered as a matched pair.
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