STACK-T1-3M – 3m Type 1 StackWise Cable – C9300/C9300X Data Stack – 480G/1T

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STACK-T1-3M Description

The STACK-T1-3M is a Cisco Type 1 StackWise stacking cable, 3 m (9.84 ft) long, for stack links in Catalyst 9300 and Catalyst 9300X switches that sit farther apart in the rack. The cable supports StackWise-480 and StackWise-1T and needs a minimum bend radius of 3.2 inches (82 mm) and a minimum coiled diameter of 7.17 inches (182 mm). The cable does not fit Catalyst 9300L or 9300LM stacks, which use StackWise-320 with Type 3 or Type 3A cables.

Quick Specs

Parameter

Specification

Product ID

STACK-T1-3M

Product type

Type 1 StackWise data stacking cable

Cable length

3 meters / 9.84 feet

Supported switch group

Cisco Catalyst 9300 and Catalyst 9300X modular uplink models

Supported StackWise technologies

Cisco StackWise-480 and Cisco StackWise-1T

Cable family lengths

0.5 m, 1 m, and 3 m Type 1 StackWise cables

Minimum bend radius

3.2 in. / 82 mm

Minimum coiled diameter

7.17 in. / 182 mm

Spare product ID

STACK-T1-3M=

Cable material note

Cisco stack cables are halogen-free

Application Scenarios

Stack Ring Across Separated Racks

When the members of a Catalyst 9300 stack sit in different rack positions, the 3 m cable covers the longer return path that shorter Type 1 cables cannot reach.

StackWise-1T Stack In A Wide Closet

A Catalyst 9300X modular-uplink stack in a wide wiring closet runs StackWise-1T over the 3 m cable where the 0.5 m and 1 m cables fall short.

Product Comparison

Parameter

STACK-T1-3M

STACK-T1-1M

STACK-T1-50CM

STACK-T3A-3M

Cable length

3 m / 9.84 ft

1 m / 3.28 ft

0.5 m / 1.64 ft

3 m / 9.84 ft

StackWise technology

StackWise-480 and StackWise-1T

StackWise-480 and StackWise-1T

StackWise-480 and StackWise-1T

StackWise-320

Supported switches

C9300 and C9300X modular uplink models

C9300 and C9300X modular uplink models

C9300 and C9300X modular uplink models

C9300L and C9300LM fixed uplink models

Minimum bend radius

3.2 in. (82 mm)

1.6 in. (41 mm)

1.6 in. (41 mm)

3.2 in. (82 mm)

Minimum coiled diameter

7.17 in. (182 mm)

5.2 in. (132 mm)

Not applicable

7.17 in. (182 mm)

STACK-T1-3M and STACK-T1-1M are both Type 1 StackWise-480 and StackWise-1T cables for Catalyst 9300 and Catalyst 9300X, and length separates them: 3 m against 1 m, with the longer cable needing a 3.2 in. bend radius and 7.17 in. coiled diameter against 1.6 in. and 5.2 in. STACK-T1-50CM at 0.5 m suits adjacent switches and cannot be coiled. STACK-T3A-3M has the same 3 m length and the same bend limits but belongs to Catalyst 9300L and Catalyst 9300LM StackWise-320 stacks, so those stacks cannot use STACK-T1-3M.

Ordering Checklist

  • Catalyst 9300 and 9300X hosts: Order for Catalyst 9300 modular-uplink switches (StackWise-480) such as C9300-24P-E, and Catalyst 9300X switches (StackWise-1T) such as C9300X-48TX-A. These are the families that use the STACK-T1 cable lengths of 0.5 m, 1 m and 3 m.
  • Catalyst 9300L exclusion: Catalyst 9300L and 9300LM stacks use C9300L-STACK-KIT or C9300L-STACK-KIT2 with STACK-T3 or STACK-T3A cables. A STACK-T1 cable is not the StackWise-320 cable of those stacks.

Specifications

Parameter Specification Parameter Specification
Product ID STACK-T1-3M Product type Type 1 StackWise data stacking cable
Cable length 3 meters / 9.84 feet Supported switch group Cisco Catalyst 9300 and Catalyst 9300X modular uplink models
Supported StackWise technologies Cisco StackWise-480 and Cisco StackWise-1T Cable family lengths 0.5 m, 1 m, and 3 m Type 1 StackWise cables
Minimum bend radius 3.2 in. / 82 mm Minimum coiled diameter 7.17 in. / 182 mm
Spare product ID STACK-T1-3M= Cable material note Cisco stack cables are halogen-free

Get More Information

Need pricing, stock, or shipping details for the STACK-T1-3M ? Layer23-Switch can help you check current availability, lead time, and delivery options for this. Send us the part number, quantity, and destination country via live chat or email [email protected] for a fast quotation.

Quality Certifications

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    Kayla Santos
    Posted on 19/04/2026
    Verified Buyer
    4.0

    Product is performing as expected. No problems.

    Jack Wang
    Posted on 03/04/2026
    Verified Buyer
    4.0

    When we had a question after delivery, they responded the same day. Minor delay in delivery, but everything was in order.

    Katherine Murphy
    Posted on 15/12/2025
    Verified Buyer
    5.0

    Layer23’s pricing competes effectively with the big distributors.

Questions & Answers

  • What bend radius and coiled diameter must STACK-T1-3M observe?

    STACK-T1-3M needs a minimum bend radius of 82 mm (3.2 in.) and a minimum coiled diameter of 182 mm (7.17 in.), per the Catalyst 9300 hardware installation guide. Plan cable-manager space for those limits when routing the 3 m (9.84 ft) cable between stack members.
  • Does STACK-T1-3M carry StackWise-1T between Catalyst 9300X switches such as C9300X-48TX-A?

    Yes. STACK-T1-3M carries StackWise-1T on Catalyst 9300X switches such as C9300X-48TX-A and StackWise-480 on Catalyst 9300 modular-uplink switches such as C9300-24P-E. The 3 m length is for members that sit in different rack positions.
  • Can STACK-T1-3M be used in a Catalyst 9300L or Catalyst 9300LM stack?

    No. Catalyst 9300L and 9300LM stacks run StackWise-320 and use C9300L-STACK-KIT or C9300L-STACK-KIT2 with STACK-T3 or STACK-T3A cables. STACK-T1-3M is a Type 1 cable for the Catalyst 9300 and 9300X modular-uplink families, which run StackWise-480 and StackWise-1T.
  • Which spare PID orders a replacement STACK-T1-3M?

    The spare PID is STACK-T1-3M=. It is the same 3 m (9.84 ft) Type 1 cable, supporting StackWise-480 and StackWise-1T. Order the spare with the equals sign when a field cable is damaged or kinked below the 82 mm bend radius.

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DataSheet Downloads

  • STACK-T1-3M Datasheet