C1000-48P-4G-L – 48x1G PoE+ Ports – 4x1G SFP Uplinks – 370W PoE Budget
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C1000-48P-4G-L Description
Cisco C1000-48P-4G-L is a Catalyst 1000 fixed managed Layer 2 access switch that combines 48 Gigabit RJ45 PoE+ ports, four 1G SFP uplinks, and a 370W total PoE budget.
This model sits between the data-only C1000-48T-4G-L and the higher-power C1000-48FP-4G-L. It keeps the 48-port 1G SFP access-switch profile, adds PoE+ endpoint power, and stays at 370W instead of the 740W FP PoE class; C1000-48P-4X-L is the matching 10G SFP+ uplink variant.
Order review should start with the powered-device load, then check the 1G SFP optics, AC circuit, fan-cooled rack location, mounting kit, regional power cord, and final commercial terms for the completed switch bill of materials.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C1000-48P-4G-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 1G 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 |
104 Gbps for 48-port models with 1G uplinks |
|
Forwarding rate |
77.38 Mpps for 48-port models with 1G uplinks |
|
Dimensions |
17.48 x 13.78 x 1.73 in. |
|
Weight |
5.43 kg |
Product Performance
Key Features
The switch combines 48 Gigabit RJ45 access ports with PoE+ support, which is useful when powered endpoints and copper port count both drive the bill of materials.
Each PoE port can source up to 30W, but the installed endpoint plan must be checked against the Cisco-listed 370W total available PoE value.
The 4 x 1G SFP uplink profile fits fiber aggregation designs that have not moved to the 10G SFP+ uplink tier used by C1000-48P-4X-L.
Cisco FAQ guidance says 48-port Catalyst 1000 models are not fanless, so cabinet clearance and noise expectations should be reviewed before selecting this SKU.
Catalyst 1000 switches operate on Cisco IOS Software and support CLI and on-box web UI management for smaller Cisco access networks.
Cisco documentation identifies the 48-port 1G PoE model with an internal power supply, so the order should focus on AC input, power cord region, UPS load, and optional cable retention.
Application Scenarios
C1000-48P-4G-L fits a branch, retail, school, or office access closet where many copper endpoints need Gigabit connectivity and some or all endpoints require PoE+ power within a 370W budget.
Use this SKU when the upstream design is based on four 1G SFP links and the project does not require the 10G SFP+ uplinks offered by C1000-48P-4X-L.
The SKU is a practical step from C1000-48T-4G-L when the same 48-port and 1G SFP uplink class is required but phones, access points, cameras, or other endpoint devices need switch power.
Product Comparison
|
Parameter |
C1000-48P-4G-L |
C1000-48FP-4G-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 data switch |
48-port Gigabit PoE+ switch |
48-port Gigabit PoE+ switch |
|
Downlink ports |
48 x 10/100/1000 RJ45 PoE+ |
48 x 10/100/1000 RJ45 data |
48 x 10/100/1000 RJ45 PoE+ |
48 x 10/100/1000 RJ45 PoE+ |
|
Uplink interfaces |
4 x 1G SFP |
4 x 1G SFP |
4 x 10G SFP+ |
4 x 1G SFP |
|
PoE budget |
370W |
Data model with no PoE budget |
370W |
740W |
|
Fanless |
No |
No |
No |
No |
|
Dimensions |
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. |
17.48 x 13.78 x 1.73 in. |
|
Weight |
5.43 kg |
3.95 kg |
5.43 kg |
5.82 kg |
|
Power rating |
0.5 kVA |
0.06 kVA |
0.5 kVA |
0.95 kVA |
|
Consumption without PoE |
54.25W |
53.66W |
54.49W |
61.66W |
|
Consumption with PoE |
434.01W |
Data-only model |
435.09W |
809.66W |
|
Forwarding rate class |
77.38 Mpps for 48-port 1G-uplink models |
77.38 Mpps for 48-port 1G-uplink models |
130.94 Mpps for 48-port 10G-uplink models |
77.38 Mpps for 48-port 1G-uplink models |
|
Ordering description |
48x 10/100/1000 Ethernet PoE+ and 370W PoE budget ports, 4x 1G SFP uplinks |
48x 10/100/1000 Ethernet ports, 4x 1G SFP uplinks |
48x 10/100/1000 Ethernet PoE+ ports and 370W PoE budget, 4x 10G SFP+ uplinks |
48x 10/100/1000 Ethernet PoE+ ports and 740W PoE budget, 4x 1G SFP uplinks |
- In a C1000-48P-4G-L vs C1000-48T-4G-L comparison, the confirmed difference is endpoint power: both stay in the 48-port 1G SFP uplink class, but C1000-48P-4G-L adds PoE+ with a 370W budget.
- The C1000-48P-4G-L difference from C1000-48P-4X-L is uplink speed, because both carry 48 PoE+ access ports and a 370W PoE budget while the 4X model changes the uplinks to 10G SFP+.
- For C1000-48P-4G-L vs C1000-48FP-4G-L, the comparison centers on PoE capacity: both use 4 x 1G SFP uplinks, but the FP model increases the available PoE value to 740W.
- The which model to choose check should start with endpoint power demand, then confirm whether the site needs 1G uplinks, 10G uplinks, or the higher 740W PoE class.
Selection Guide
1. Choose it for 48-port PoE+ with 1G uplinks
Select C1000-48P-4G-L when the BOM needs 48 Gigabit copper ports, PoE+ endpoint power, four 1G SFP uplinks, and a Cisco-listed 370W PoE budget.
2. Use the 48T model for data-only access
Specify C1000-48T-4G-L when the site needs the same 48-port 1G SFP uplink class but phones, access points, cameras, or other powered endpoints are not part of the switch load.
3. Move to the 4X model for 10G aggregation
Choose C1000-48P-4X-L when the access port count and 370W PoE class stay the same but the aggregation layer requires 10G SFP+ uplinks.
4. Move to the FP model for larger PoE load
Use C1000-48FP-4G-L when the endpoint power plan exceeds 370W and the design should remain in the 48-port 1G SFP uplink family.
PoE Power Planning
|
Check Item |
Cisco-confirmed Value |
Planning Impact |
|---|---|---|
|
Available PoE |
370W |
Total powered endpoint draw must fit within this budget after phones, cameras, access points, and other PoE devices are counted |
|
Per-port PoE behavior |
Up to 30W per PoE port with IEEE 802.3af and IEEE 802.3at support |
A single endpoint may use PoE+ power, but the whole switch is still limited by the 370W total budget |
|
Consumption with PoE |
434.01W |
UPS and branch electrical planning should include the powered-switch draw rather than the no-PoE baseline only |
|
Higher-PoE alternative |
C1000-48FP-4G-L with 740W available PoE |
Use the FP model if the powered endpoint load cannot fit into the 370W class |
Ordering Checklist
|
Check Item |
What to Confirm |
Why It Matters |
|---|---|---|
|
Line-item identity |
C1000-48P-4G-L |
Matches the quote to the 48-port Catalyst 1000 PoE+ switch with 4 x 1G SFP uplinks and 370W available PoE |
|
Endpoint power envelope |
Total powered-device draw against 370W |
Prevents the access design from assuming full 30W PoE+ draw on every copper port at the same time |
|
Fiber uplink standard |
Four 1G SFP uplinks |
Keeps the BOM on the 1G uplink model instead of the 10G SFP+ C1000-48P-4X-L variant |
|
Higher power variant |
C1000-48FP-4G-L for 740W available PoE |
Moves the design to the full-power 48-port class when endpoint load exceeds the 370W boundary |
|
Data-only substitute |
C1000-48T-4G-L if PoE is not required |
Avoids ordering a powered switch when the endpoint devices use separate power sources |
|
Electrical and acoustic fit |
100 to 240V AC input, 0.5 kVA rating, fan-cooled 48-port chassis, and 36.1 dB typical sound pressure |
Aligns the switch with UPS sizing, rack airflow, and workspace noise expectations |
|
Physical installation set |
Rack or wall mounting plan, regional power cable, console access, and optional cable-retention clip |
Keeps accessory selection tied to the final installation location rather than the switch SKU alone |
Optional Add-ons
|
Model |
Description |
|---|---|
|
CAB-CONSOLE-RJ45 |
Cisco console cable 6 ft. with RJ-45 for Catalyst 1000 management access |
|
CAB-CONSOLE-USB |
Cisco console cable 6 ft. with USB Type A and mini-B connectors |
|
PWR-CLP |
Power cable restraining clip for Catalyst 1000 switch power-cord retention |
|
RCKMNT-1RU-2KX= |
Rackmount kit for Catalyst 1000 24-port and 48-port models |
Specifications
Packaging weight and dimensions included:| Weight | 10.8 kg |
|---|---|
| Dimensions | 56 × 16.4 × 46 cm |
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Brand | Cisco | Product family | Cisco Catalyst 1000 Series |
| Product ID | C1000-48P-4G-L | Product type | Fixed managed Gigabit Ethernet Layer 2 switch |
| Downlink ports | 48 x 10/100/1000 RJ45 PoE+ ports | Uplink interfaces | 4 x 1G 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 | 54.25W | Consumption with PoE | 434.01W |
| Available PoE | 370W | Maximum power wattage for BTU/hr | 500.4W |
| Forwarding bandwidth | 52 Gbps for 48-port models with 1G uplinks | Switching bandwidth | 104 Gbps for 48-port models with 1G uplinks |
| Forwarding rate | 77.38 Mpps for 48-port models with 1G 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 | Acoustic noise | 36.1 dB typical sound pressure for C1000-48P-4G-L and C1000-48P-4X-L |
| 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
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Customer Reviews
Questions & Answers
-
Which 1G PoE closet uses C1000-48P-4G-L?
-
Which 370W PoE budget applies to C1000-48P-4G-L?
-
Which powered-port difference defines C1000-48P-4G-L?
-
Which 1G uplink design fits C1000-48P-4G-L?
-
Can C1000-48P-4G-L run high-power camera loads?
-
Why compare C1000-48P-4G-L with C1000-48P-4X-L?
-
Which management expectation matters for C1000-48P-4G-L?
-
Which uplink or PoE demand rules out C1000-48P-4G-L?
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