STACK-T3A-3M – 3m Type 3A StackWise Cable – C9300L/LM Stack Kit2 – StackWise-320
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STACK-T3A-3M Description
STACK-T3A-3M is a Cisco Catalyst 9300L and 9300LM Series Type 3A StackWise-320 data stacking cable that provides a 3 m link option for fixed-uplink switch stacks using the C9300L-STACK-A adapter. It is used when a Catalyst 9300L or 9300LM deployment needs a longer rear-panel stack path than the default 0.5 m cable, and Cisco lists it as part of the StackWise-320 accessory set with 1 m and 3 m options. Cisco also confirms that C9300LM models use only T3A stacking cables, and the 3 m cable carries a minimum bend radius of 3.2 in. (82 mm) and a minimum coiled diameter of 7.17 in. (182 mm).
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
STACK-T3A-3M |
|
Product type |
Type 3A StackWise data stacking cable |
|
Compatible platform |
Cisco Catalyst 9300L and Catalyst 9300LM Series switches |
|
Stack adapter |
C9300L-STACK-A |
|
StackWise technology |
Cisco StackWise-320 |
|
Cable length |
3 meters / 9.84 feet |
|
Supported stack scale |
Up to 8 Catalyst 9300L or 9300LM switches |
|
Supported stack members |
Other Catalyst 9300L and 9300LM models with the same license level |
|
Minimum bend radius |
3.2 in. / 82 mm |
|
Minimum coiled diameter |
7.17 in. / 182 mm |
|
Spare product ID |
STACK-T3A-3M= |
Application Scenarios
Use STACK-T3A-3M when Catalyst 9300L or 9300LM switches must be connected across a longer rear-panel path and the 50 cm or 1 m Type 3A cable cannot cover the measured route.
Keep this SKU in C9300LM bills of materials where Cisco’s accessory table points to Type 3A cables with the C9300L-STACK-A adapter.
Choose the 3 m cable when a C9300L-STACK-KIT2 deployment needs a longer cable than the default 50 cm line, without changing the StackWise-320 accessory family.
Product Comparison
|
Parameter |
STACK-T3A-3M |
STACK-T3-3M | ||
|---|---|---|---|---|
|
Product type |
3 m Type 3A stacking cable |
1 m Type 3A stacking cable |
50 cm Type 3A stacking cable |
3 m Type 3 stacking cable |
|
Compatible platform |
Catalyst 9300L and Catalyst 9300LM Series switches |
Catalyst 9300L and Catalyst 9300LM Series switches |
Catalyst 9300L and Catalyst 9300LM Series switches |
Catalyst 9300L Series switches |
|
Stack adapter |
C9300L-STACK-A |
C9300L-STACK-A |
C9300L-STACK-A |
C9300L-STACK |
|
Stack kit association |
C9300L-STACK-KIT2 |
C9300L-STACK-KIT2 |
C9300L-STACK-KIT2 default cable |
C9300L-STACK-KIT |
|
StackWise technology |
StackWise-320 |
StackWise-320 |
StackWise-320 |
StackWise-320 |
|
Cable length |
3 m / 9.84 ft |
1 m / 3.28 ft |
0.5 m / 1.64 ft |
3 m / 9.84 ft |
|
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 |
5.20 in. / 132 mm |
Not applicable for the 0.5 m cable per Cisco note |
7.17 in. / 182 mm |
|
Spare product ID |
STACK-T3A-3M= |
STACK-T3A-1M= |
STACK-T3A-50CM= |
STACK-T3-3M= |
- In a STACK-T3A-3M vs STACK-T3A-1M comparison, both SKUs use the same Type 3A adapter path; the difference is the 3 m cable route and larger Cisco-listed bend and coiling clearance.
- The STACK-T3A-3M vs STACK-T3A-50CM difference is long-route cabling versus the default Stack Kit2 cable length, so which model to choose depends on measured rear-panel distance.
- For STACK-T3A-3M vs STACK-T3-3M, the comparison is adapter and platform scope rather than length. STACK-T3A-3M is tied to C9300L-STACK-A and Catalyst 9300L/9300LM use, while STACK-T3-3M is listed with C9300L-STACK and Catalyst 9300L use.
- The STACK-T3A-3M comparison check should confirm switch family, adapter type, cable length, and whether procurement needs the base product ID or the equals-suffix spare line.
Selection Guide
1. Confirm the Type 3A adapter path first
Choose STACK-T3A-3M when the switch stack uses Catalyst 9300L or 9300LM fixed-uplink models with C9300L-STACK-A.
2. Reserve this SKU for the longest Type 3A cable route
Select the 3 m line only when the planned cable path exceeds the 50 cm default cable and the 1 m Type 3A option.
3. Keep C9300LM orders on T3A cabling
For Catalyst 9300LM stacks, stay with Type 3A cables because Cisco lists C9300LM Series switches under the T3A cable set.
4. Check the physical handling values before shipment
Confirm the 3.2 in. bend radius and 7.17 in. coiled diameter, then match the order line to STACK-T3A-3M or STACK-T3A-3M=.
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Order line |
STACK-T3A-3M for the base cable or STACK-T3A-3M= for spare ordering |
Avoids mixing the cable option with the spare PID |
|
Fixed-uplink platform |
Catalyst 9300L or Catalyst 9300LM Series |
Keeps the accessory inside Cisco’s documented Type 3A platform group |
|
Stack adapter |
C9300L-STACK-A |
Matches the cable to the adapter Cisco lists for Type 3A use |
|
Stack technology |
StackWise-320 |
Confirms the cable is for the fixed-uplink Catalyst 9300 stack family |
|
C9300LM cable rule |
Type 3A cable set |
Screens out Type 3 cable substitution on C9300LM orders |
|
Rear-panel route |
3 meters / 9.84 feet |
Confirms the long cable is required for the planned rack path |
|
Bend and coiling space |
3.2 in. bend radius and 7.17 in. coiled diameter |
Checks whether rack routing and storage space match Cisco-listed physical values |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product ID | STACK-T3A-3M | Product type | Type 3A StackWise data stacking cable |
| Compatible platform | Cisco Catalyst 9300L and Catalyst 9300LM Series switches | Stack adapter | C9300L-STACK-A |
| Stack kit association | C9300L-STACK-KIT2 | StackWise technology | Cisco StackWise-320 |
| Supported stack scale | Up to 8 Catalyst 9300L or 9300LM switches | Supported stack members | Other Catalyst 9300L and 9300LM models with the same license level |
| Cable length | 3 meters / 9.84 feet | Minimum bend radius | 3.2 in. / 82 mm |
| Minimum coiled diameter | 7.17 in. / 182 mm | Ordering guide description | 3M type 3A stacking cable |
| Spare product ID | STACK-T3A-3M= | Cable material note | Cisco stack cables are halogen-free |
| Software support note | STACK-T3A cable and C9300L-STACK-A support was introduced in Cisco IOS XE Cupertino 17.9.x | Adjacent Type 3A lengths | 50 cm and 1 m |
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