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DS-C9148T-48PITK9 – 48 ports – managed – rack-mountable
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DS-C9148T-48PITK9 Description
Cisco DS-C9148T-48PITK9 is the 48-port, port-side intake airflow SKU of the Cisco MDS 9148T 32-Gbps Fibre Channel switch. All 48 FC ports are active at delivery and run at line-rate with autosensing 4/8/16/32Gbps speeds, delivering predictable low latency for all-flash arrays, databases, and dense virtualization clusters. The platform is NVMe/FC-ready, supports VSANs, Inter-VSAN Routing, Smart/Auto Zoning, and fabric-wide QoS. Built-in, hardware-assisted SAN Analytics with model-driven telemetry accelerates troubleshooting and capacity planning. With redundant hot-swappable power supplies and fans plus resilient port-channeling for ISLs, DS-C9148T-48PITK9 fits 1RU access/edge SAN designs that require intake airflow alignment with hot/cold-aisle policies while preserving future scale and automation via Cisco NDFC/DCNM, REST/NX-API, Python, and Ansible.
Key Features
Full 48-port 32G density for high-IOPS workloads
All ports active at delivery for predictable, low-latency FC switching across all-flash arrays, OLTP databases, and backup windows that must finish on time.
NVMe/FC ready (future-proof, forward-compatible)
Run SCSI/FCP today and transition to NVMe/FC on the same fabric, preserving zoning, policies, and workflows.
Built-in visibility and observability
Hardware-assisted SAN Analytics, slow-drain detection, ISL/HBA diagnostics, and streaming telemetry speed root-cause analysis and capacity planning.
Enterprise-class resiliency
Hot-swappable dual PSUs and fans plus ISL port-channels and consistent forwarding support 24×7 operations and planned change windows.
Segmentation and multi-tenancy
VSANs, Smart/Auto Zoning, and IVR (license) enable secure tenant/application isolation with granular QoS and simplified change control.
Data-center friendly airflow and footprint
Port-side intake airflow aligns with hot/cold-aisle designs; compact 1RU chassis fits standard 19-inch racks with clean cable management.
Applications Scenarios
Media and entertainment
Shared 32G FC SAN for high-bitrate 4K/8K editing, color grading, and conform. Predictable low latency for lossless ingest/playout; per-project isolation with VSANs and analytics to spot path hot-spots.
Managed service providers offering Storage-as-a-Service
Multi-tenant segmentation with VSANs and RBAC/FC-SP, API-driven provisioning (NX-API/Ansible), and telemetry for SLA dashboards. Full 48-port density simplifies onboarding diverse tenants at scale.
Manufacturing and engineering
Large CAD/PLM repositories and simulation scratch volumes need deterministic throughput and fast checkpoint/backup. Intake airflow fits front-cold aisles in dense factory/edge racks while keeping maintenance simple.
Front View
|
1 |
Serial console port |
7 |
Activity status LED |
|
2 |
System status LED |
8 |
Ethernet management ports (2) |
|
3 |
Power status LED |
9 |
Fixed FC ports |
|
4 |
Fan status LED |
10 |
FC port status LEDs (48) |
|
5 |
USB port |
11 |
Airflow grill |
|
6 |
Link status LED |
Rear View
|
1 |
Power supply failure status LED |
6 |
Power supply status LED |
|
2 |
Power supply unit fan |
7 |
Power supply units (2 units) |
|
3 |
Power supply unit handle |
8 |
Chassis fan modules (4 units) |
|
4 |
Unswitched power receptacle |
9 |
Chassis fan module release latches (8) |
|
5 |
Power supply unit latch release |
|
1 |
Power supply unit slot 1 |
4 |
Chassis fan module slot 3 |
|
2 |
Chassis fan module slot 1 |
5 |
Chassis fan module slot 4 |
|
3 |
Chassis fan module slot 2 |
6 |
Power supply unit slot 2 |
Model Selection Guide – DS-C9148T-48PITK9
Product Comparison
|
Parameter |
DS-C9148T-12PK9 |
DS-C9148T-48PITK9 | |
|---|---|---|---|
|
Physical FC ports |
48 |
48 |
48 |
|
Base licensed ports |
12 |
24 |
48 |
|
Port expansion |
+8 to max 48 |
+8 to max 48 |
N/A (max) |
|
Port speeds |
4/8/16/32Gbps FC |
4/8/16/32Gbps FC |
4/8/16/32Gbps FC |
|
Line-rate forwarding |
On licensed ports |
On licensed ports |
On all ports |
|
System bandwidth |
Up to 1.536Tbps |
Up to 1.536Tbps |
Up to 1.536Tbps |
|
NVMe/FC support |
Yes |
Yes |
Yes |
|
SAN Analytics/telemetry |
Hardware-assisted |
Hardware-assisted |
Hardware-assisted |
|
Redundant PSUs/fans |
Yes |
Yes |
Yes |
|
Airflow option |
Intake or exhaust SKUs |
Intake (this variant) |
Intake (this variant) |
|
Form factor |
1RU |
1RU |
1RU |
|
Typical use |
Small/edge SAN, pilot |
Mid-size edge with staged growth |
Full 48-port density day one |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product model | DS-C9148T-48PITK9 (MDS 9148T series) | Form factor | 1RU fixed FC switch |
| Physical FC ports | 48 x SFP+/SFP28 Fibre Channel | Licensed ports | 48 active (max) |
| Port speeds | Auto-sensing 4/8/16/32Gbps | Performance | Non-blocking, line-rate on all ports |
| Aggregate bandwidth | Up to 1.536Tbps | Latency | Low, cut-through switching |
| Expansion model | N/A (already max licensed) | Port-channel | ISL PortChannels for resiliency |
| Protocols | FCP, NVMe/FC | Fabric services | VSANs, IVR (license), Smart/Auto Zoning, QoS |
| Analytics/telemetry | Hardware-based SAN Analytics; model-driven telemetry | Diagnostics | ISL/HBA diagnostics, slow-drain detection, SPAN/RSPAN |
| Management | NX-OS CLI/SSH, SNMP, REST/NX-API | Controller | Cisco NDFC/DCNM |
| High availability | Hot-swappable dual PSUs and fans | Airflow | Port-side intake (red) variant |
| Power | AC PSU options; 1 required, 2 for redundancy | Cooling | Redundant hot-swappable fan modules |
| Security | RBAC, TACACS+/RADIUS/LDAP/AD, Secure boot | FC-SP | DH-CHAP; optional link encryption |
| Automation | REST/NX-API, Python/Ansible; POAP | Call Home | Integrated |
| Front I/O | 48 x FC ports; USB; serial console | Management ports | Ethernet management for OOB |
| LEDs | System, fan, PSU, link/activity | Interoperability | MDS 9000 family per compatibility matrix |
| Dimensions/weight | 1RU; per datasheet | Environmental | Per datasheet (operating temp/humidity) |
| Power/thermal | Per PSU/datasheet | Certifications | Safety/EMC/RoHS per Cisco |
| Transceivers | Cisco 32G/16G/8G FC optics supported | Accessories | Rail kit, regional power cords (optics ordered separately) |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
-
Why choose DS-C9148T-48PITK9 for an access-edge fabric connecting many HBAs in a single rack row?
-
How should I cable and label to reduce errors during late-night expansions?
-
Does DS-C9148T-48PITK9 support NVMe/FC alongside legacy SCSI/FC without complex redesign?
-
What day-two metrics prove the access tier isn’t the bottleneck?
-
How do I design redundancy at the edge?
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Any guidance on optics selection for short-reach top-of-rack access?
-
What’s the safest way to upgrade NX-OS on an access-edge during business hours?
-
How can I quickly isolate a mis-patched host at the edge?
-
Do I need IVR at the edge?
-
Spare recommendations for a pair of 9148T?
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Vendor double-checked the part number for us to ensure airflow compliance.
Smooth operation. A fine addition to my facility.
Fully licensed 48 ports with reverse airflow. Keeps our rack temperatures managed.
Navigation systems operational. Data paths clear.