C1000-48P-4X-L – 48x1G PoE+ Ports – 4x10G SFP+ Uplinks – 370W PoE Budget
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C1000-48P-4X-L Description
C1000-48P-4X-L is a Cisco Catalyst 1000 Series fixed managed Gigabit Ethernet Layer 2 access switch with 48 10/100/1000 RJ45 PoE+ ports, four 10G SFP+ uplinks, and a 370W available PoE budget.
The order choice is mainly about uplink speed and PoE headroom. C1000-48P-4G-L keeps the same 48-port PoE+ and 370W power class but uses four 1G SFP uplinks, while C1000-48FP-4X-L stays on four 10G SFP+ uplinks and raises available PoE to 740W.
Quote review should confirm powered-device load against 370W, 10G SFP+ transceiver support, 100 to 240V AC input, rack or wall installation needs, console cable choice, power-cord region, stock status, warranty support, and global shipping details.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C1000-48P-4X-L |
|
Product family |
Cisco Catalyst 1000 Series |
|
Product type |
Fixed managed Gigabit Ethernet Layer 2 switch |
|
Downlink ports |
48 x 10/100/1000 RJ45 PoE+ ports |
|
Uplink interfaces |
4 x 10G SFP+ uplinks |
|
PoE budget |
370W available PoE |
|
Per-port PoE support |
Up to 30W per PoE port |
|
Fan design |
Fan-cooled 48-port model |
|
Power supply design |
Single fixed internal AC power supply |
|
Switching bandwidth |
176 Gbps for 48-port models with 10G uplinks |
|
Forwarding rate |
130.94 Mpps for 48-port models with 10G uplinks |
|
Dimensions |
17.48 x 13.78 x 1.73 in. |
|
Weight |
5.43 kg |
Product Performance
Key Features
The SKU combines 48 Gigabit RJ45 PoE+ downlinks with four 10G SFP+ uplinks, which matters when the access layer needs both powered endpoints and faster fiber handoff.
The model belongs to the 370W PoE class, so the bill of materials should size powered devices against total available PoE rather than assuming 30W draw on every port at once.
Compared with C1000-48P-4G-L, this SKU changes the uplink tier from 1G SFP to 10G SFP+ while keeping the same 48-port PoE+ and 370W access profile.
Cisco FAQ guidance states that 48-port Catalyst 1000 models are not fanless, so rack location, airflow clearance, and workspace noise expectations should be reviewed before ordering.
Cisco ordering guidance says Catalyst 1000 switches use a single universal Cisco IOS Software image with advanced Layer 2 functionality, which keeps software-image planning consistent across the series.
The switch uses a fixed internal AC power design, making the practical power checks the local input range, UPS load, country power cable, and optional power cord retainer.
Application Scenarios
C1000-48P-4X-L fits a branch, school, retail, or office wiring closet where many copper devices need PoE+ and the upstream switch block is already designed around 10G SFP+ links.
Use this SKU when the endpoint count and 370W PoE budget match C1000-48P-4G-L but the aggregation design has moved from four 1G SFP uplinks to four 10G SFP+ uplinks.
The switch works when the site needs 48 PoE+ access ports but the powered-device plan fits 370W, avoiding the 740W C1000-48FP-4X-L class when that higher PoE budget is not required.
Product Comparison
|
Parameter |
C1000-48P-4X-L |
C1000-48FP-4X-L | ||
|---|---|---|---|---|
|
Product family |
Catalyst 1000 Series |
Catalyst 1000 Series |
Catalyst 1000 Series |
Catalyst 1000 Series |
|
Product type |
48-port Gigabit PoE+ switch |
48-port Gigabit PoE+ switch |
48-port Gigabit data switch |
48-port Gigabit PoE+ switch |
|
Downlink ports |
48 x 10/100/1000 RJ45 PoE+ |
48 x 10/100/1000 RJ45 PoE+ |
48 x 10/100/1000 RJ45 data |
48 x 10/100/1000 RJ45 PoE+ |
|
Uplink interfaces |
4 x 10G SFP+ |
4 x 1G SFP |
4 x 10G SFP+ |
4 x 10G SFP+ |
|
PoE budget |
370W |
370W |
Data model with no PoE budget |
740W |
|
Fanless |
No |
No |
No |
No |
|
Dimensions |
17.48 x 13.78 x 1.73 in. |
17.48 x 13.78 x 1.73 in. |
17.48 x 11.34 x 1.73 in. |
17.48 x 13.78 x 1.73 in. |
|
Weight |
5.43 kg |
5.43 kg |
3.95 kg |
5.82 kg |
|
Power rating |
0.5 kVA |
0.5 kVA |
0.06 kVA |
0.95 kVA |
|
Consumption without PoE |
54.49W |
54.25W |
54.73W |
62.26W |
|
Consumption with PoE |
435.09W |
434.01W |
Data-only model |
810.73W |
|
Available PoE |
370W |
370W |
No PoE budget |
740W |
|
Switching bandwidth class |
176 Gbps for 48-port 10G-uplink models |
104 Gbps for 48-port 1G-uplink models |
176 Gbps for 48-port 10G-uplink models |
176 Gbps for 48-port 10G-uplink models |
|
Forwarding rate class |
130.94 Mpps for 48-port 10G-uplink models |
77.38 Mpps for 48-port 1G-uplink models |
130.94 Mpps for 48-port 10G-uplink models |
130.94 Mpps for 48-port 10G-uplink models |
- In a C1000-48P-4X-L vs C1000-48P-4G-L comparison, the confirmed difference is uplink speed: both are 48-port PoE+ models with a 370W PoE budget, but the current SKU uses four 10G SFP+ uplinks.
- The C1000-48P-4X-L difference from C1000-48T-4X-L is endpoint power, because both stay in the 48-port 10G-uplink class while the 48T model removes PoE.
- For C1000-48P-4X-L vs C1000-48FP-4X-L, the comparison centers on available PoE: both use four 10G SFP+ uplinks, but the FP model raises the budget from 370W to 740W.
- The which model to choose check should start with 10G uplink need, then confirm whether the endpoint power plan fits 370W or requires the 740W FP variant.
Selection Guide
1. Select it for 48-port PoE+ access with 10G uplinks
Choose C1000-48P-4X-L when the access design requires 48 Gigabit RJ45 PoE+ ports, four 10G SFP+ uplinks, and a Cisco-listed 370W available PoE value.
2. Stay with C1000-48P-4G-L for 1G aggregation
Use C1000-48P-4G-L only when the same 48-port PoE+ and 370W power class is correct but the upstream fiber plan stays at 1G SFP.
3. Use C1000-48T-4X-L for data-only endpoints
Specify C1000-48T-4X-L when the design still needs four 10G SFP+ uplinks but phones, cameras, access points, or other endpoint devices do not need switch PoE.
4. Move to C1000-48FP-4X-L for a larger PoE budget
Select C1000-48FP-4X-L when the 10G-uplink access design remains valid but the powered-device calculation exceeds the 370W class.
PoE Power Planning
|
Check Item |
Cisco-confirmed Value |
Planning Impact |
|---|---|---|
|
Available PoE |
370W |
Count the combined draw of all powered devices against this model-level limit |
|
Per-port PoE support |
Up to 30W per PoE port |
Individual PoE+ endpoints can be planned only within the total 370W budget |
|
Consumption with PoE |
435.09W |
UPS sizing should account for the powered-switch draw rather than the no-PoE baseline |
|
Higher-PoE alternative |
C1000-48FP-4X-L with 740W available PoE |
Use the FP model when the attached powered devices cannot fit within 370W |
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Exact line item |
C1000-48P-4X-L |
Confirms the order is the 48-port PoE+ Catalyst 1000 model with four 10G SFP+ uplinks |
|
Powered-device load |
Total endpoint draw below 370W |
Prevents assuming full 30W PoE+ allocation across all 48 ports at the same time |
|
Uplink tier |
Four 10G SFP+ uplinks |
Separates this SKU from C1000-48P-4G-L when the aggregation layer requires 10G handoff |
|
Higher-power substitute |
C1000-48FP-4X-L if 740W is required |
Keeps the quote aligned when the endpoint power plan exceeds the 370W class |
|
Data-only substitute |
C1000-48T-4X-L if PoE is not required |
Avoids buying a powered access switch for endpoints that use separate power |
|
Electrical plan |
100 to 240V AC input, 50 to 60 Hz, and 0.5 kVA power rating |
Matches the switch to the local circuit, UPS sizing, and country power cable |
|
Installation accessories |
Power clip, console cable, and 24/48-port rackmount kit options |
Keeps accessory selection aligned with the final rack or wall-mount location |
Optional Add-ons
|
Model |
Description |
|---|---|
|
CAB-CONSOLE-RJ45 |
Cisco console cable option with RJ-45 connector for switch management access |
|
CAB-CONSOLE-USB |
Cisco console cable option with USB connector for switch management access |
|
PWR-CLP |
Cisco power clip for power-cable management |
|
RCKMNT-1RU-2KX= |
Cisco rackmount kit for Catalyst 1000 24-port and 48-port models |
Specifications
Packaging weight and dimensions included:| Weight | 10.8 kg |
|---|---|
| Dimensions | 56 × 46 × 16.5 cm |
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Brand | Cisco | Product family | Cisco Catalyst 1000 Series |
| Product ID | C1000-48P-4X-L | Product type | Fixed managed Gigabit Ethernet Layer 2 switch |
| Downlink ports | 48 x 10/100/1000 RJ45 PoE+ ports | Uplink interfaces | 4 x 10G SFP+ uplinks |
| PoE budget | 370W available PoE | Per-port PoE support | Up to 30W per PoE port |
| Fan design | Fan-cooled 48-port model | Power supply design | Single fixed internal AC power supply |
| Voltage | 100 to 240V AC in | Frequency | 50 to 60 Hz |
| Current | 0.42A to 0.74A | Power rating | 0.5 kVA maximum consumption |
| Consumption without PoE | 54.49W | Consumption with PoE | 435.09W |
| Available PoE | 370W | Maximum power wattage for BTU/hr | 500.3W |
| Forwarding bandwidth | 88 Gbps for 48-port models with 10G uplinks | Switching bandwidth | 176 Gbps for 48-port models with 10G uplinks |
| Forwarding rate | 130.94 Mpps for 48-port models with 10G uplinks | Unicast MAC addresses | 16000 |
| Maximum active VLANs | 256 | VLAN IDs available | 4094 |
| Maximum STP instances | 64 | Maximum SPAN sessions | 4 |
| Console port | RJ-45 Ethernet console | USB-A port | 1 USB-A port for storage and Bluetooth console |
| CPU | ARM v7 800 MHz | DRAM | 512 MB |
| Flash memory | 256 MB | Operating temperature | -5 to 50 deg C at sea level |
| Operating altitude | 10000 ft (3000 m) | Operating humidity | 5% to 90% at 40 deg C non-condensing |
| Dimensions | 17.48 x 13.78 x 1.73 in. | Weight | 5.43 kg |
Get More Information
Need pricing, stock, or shipping details for the C1000-48P-4X-L ? 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 sales@layer23-switch.com for a fast quotation.
Quality Certifications
Customer Reviews
Questions & Answers
-
Which 10G PoE closet uses C1000-48P-4X-L?
-
Which 370W PoE budget applies to C1000-48P-4X-L?
-
Which uplink speed separates C1000-48P-4X-L?
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Can C1000-48P-4X-L power all 48 ports at full PoE+?
-
Which endpoint mix fits C1000-48P-4X-L?
-
Why do coil-noise or fan questions appear for C1000-48P-4X-L?
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Which uplink plan fits C1000-48P-4X-L?
-
Which PoE budget limit rules out C1000-48P-4X-L?
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