C1000-48T-4X-L – 48x1G Data Ports – 4x10G SFP+ Uplinks – Catalyst 1000
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C1000-48T-4X-L Description
C1000-48T-4X-L is a Cisco Catalyst 1000 Series fixed managed Gigabit Ethernet Layer 2 switch for dense data-only access closets, pairing 48 10/100/1000 RJ45 Ethernet ports with four 10G SFP+ uplinks.
Compared with C1000-48T-4G-L, this line item keeps the 48 non-PoE copper access ports but moves the uplink side from 1G SFP to 10G SFP+. Compared with C1000-48P-4X-L, it removes switch-supplied endpoint power while staying in the same 48-port 10G-uplink class.
Order review should verify separate endpoint power, Cisco-compatible SFP+ optics, the non-fanless 48-port chassis profile, AC input, country power cord, and rack accessories before price and stock checks are finalized.
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product ID |
C1000-48T-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 data ports |
|
Uplink interfaces |
4 x 10G SFP+ uplinks |
|
PoE budget |
Data switch with no PoE budget |
|
Fan design |
Fan-cooled 48-port model |
|
Power supply design |
Single fixed internal AC power supply |
|
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 |
|
Dimensions |
17.48 x 11.34 x 1.73 in. |
|
Weight |
3.95 kg |
Product Performance
Key Features
The model provides 48 Gigabit RJ45 data ports for access closets where endpoint power is supplied outside the switch.
The 4X uplink set changes the fiber side to four 10G SFP+ ports, making this the data-only 48-port option for aggregation designs that need more uplink speed than 1G SFP.
The T model avoids a PoE budget entirely, which helps purchasing keep it separate from C1000-48P-4X-L and other powered access variants.
Cisco marks the 48T 4X model as not fanless, so rack location, airflow clearance, and room-noise expectations should be checked before staging.
Catalyst 1000 switches run Cisco IOS Software and support CLI and on-box web UI management for smaller Cisco access networks.
The switch uses a single fixed internal AC power supply, keeping the power review focused on input range, UPS capacity, regional cord choice, and cable retention.
Application Scenarios
C1000-48T-4X-L fits a branch, retail, school, or office wiring closet that needs 48 copper data ports and a four-port 10G SFP+ uplink handoff.
The SKU is a practical move from C1000-48T-4G-L when endpoint count and non-PoE access stay the same but upstream fiber links must move to 10G.
Select this model when phones, cameras, access points, or other powered endpoints are not drawing power from the switch and the bill of materials should avoid a PoE SKU.
Product Comparison
|
Parameter |
C1000-48T-4X-L | |||
|---|---|---|---|---|
|
Product family |
Catalyst 1000 Series |
Catalyst 1000 Series |
Catalyst 1000 Series |
Catalyst 1000 Series |
|
Product type |
48-port Gigabit data switch |
48-port Gigabit data switch |
48-port Gigabit PoE+ switch |
24-port Gigabit data switch |
|
Downlink ports |
48 x 10/100/1000 RJ45 data |
48 x 10/100/1000 RJ45 data |
48 x 10/100/1000 RJ45 PoE+ |
24 x 10/100/1000 RJ45 data |
|
Uplink interfaces |
4 x 10G SFP+ |
4 x 1G SFP |
4 x 10G SFP+ |
4 x 10G SFP+ |
|
PoE budget |
Data model with no PoE budget |
Data model with no PoE budget |
370W |
Data model with no PoE budget |
|
Fanless |
No |
No |
No |
Yes |
|
Dimensions |
17.48 x 11.34 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 9.45 x 1.73 in. |
|
Weight |
3.95 kg |
3.95 kg |
5.43 kg |
2.78 kg |
|
Power rating |
0.06 kVA |
0.06 kVA |
0.5 kVA |
0.08 kVA |
|
Consumption without PoE |
54.73W |
53.66W |
54.49W |
25.68W |
|
Forwarding bandwidth class |
88 Gbps for 48-port 10G-uplink models |
52 Gbps for 48-port 1G-uplink models |
88 Gbps for 48-port 10G-uplink models |
64 Gbps for 24-port 10G-uplink models |
|
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 |
128 Gbps for 24-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 |
95.23 Mpps for 24-port 10G-uplink models |
|
Ordering description |
48x 10/100/1000 Ethernet ports, 4x 10G SFP+ uplinks |
48x 10/100/1000 Ethernet ports, 4x 1G SFP uplinks |
48x 10/100/1000 Ethernet PoE+ and 370W PoE budget ports, 4x 10G SFP+ uplinks |
24x 10/100/1000 Ethernet ports, 4x 10G SFP+ uplinks |
- In a C1000-48T-4X-L vs C1000-48T-4G-L comparison, the confirmed difference is uplink speed: both are 48-port data switches, but the current SKU uses four 10G SFP+ uplinks instead of four 1G SFP uplinks.
- The C1000-48T-4X-L difference from C1000-48P-4X-L is endpoint power, because both share the 48-port 10G-uplink class while the 48P model adds a 370W PoE budget.
- For C1000-48T-4X-L vs C1000-24T-4X-L, the comparison centers on copper port density and fan design: the current SKU doubles the data ports and is not fanless.
- The which model to choose check should start with PoE requirement, then confirm port count and whether the aggregation plan needs 1G SFP or 10G SFP+ uplinks.
Selection Guide
1. Put the 4X data model on 10G access BOMs
C1000-48T-4X-L belongs on orders that need 48 Gigabit RJ45 data ports and four 10G SFP+ uplinks without adding a switch PoE budget.
2. Leave the 4G variant in 1G fiber closets
C1000-48T-4G-L is the closer fit when the copper port count stays at 48 but the aggregation links are still built around 1G SFP modules.
3. Change to the PoE 4X model only for switch power
C1000-48P-4X-L keeps the 10G SFP+ uplink tier and adds a Cisco-listed 370W PoE budget for phones, cameras, access points, or other powered endpoints.
4. Downsize when 24 ports and fanless hardware are enough
C1000-24T-4X-L serves smaller 10G-uplink access closets that do not need the 48-port chassis and can use the fanless 24-port Catalyst 1000 profile.
Ordering Checklist
|
Review Area |
Confirmed Item |
Why It Matters |
|---|---|---|
|
Exact line item |
C1000-48T-4X-L |
Keeps the order tied to the 48-port Catalyst 1000 data switch with four 10G SFP+ uplinks |
|
Endpoint power |
Data switch with no PoE budget |
Prevents substitution with a PoE model when endpoint power is handled outside the switch |
|
Uplink optics |
4 x 10G SFP+ uplinks |
Aligns the fiber bill of materials with SFP+ transceivers rather than 1G SFP parts |
|
Chassis placement |
48-port model marked not fanless |
Helps staging plan rack location, clearance, and workspace noise before shipment |
|
Electrical fit |
100 to 240V AC input, 50 to 60 Hz, 0.74A to 1.29A, and 0.06 kVA power rating |
Matches the switch to local power, UPS sizing, and the correct country cord |
|
Variant boundary |
C1000-48T-4G-L uses 1G SFP uplinks and C1000-48P-4X-L adds PoE |
Avoids changing uplink tier or endpoint power scope during quote cleanup |
|
Installation package |
Cisco-listed console cables, power clip, and 24/48-port rackmount kit options |
Keeps accessory selection aligned with the final rack and management access plan |
Optional Add-ons
|
Model |
Description |
|---|---|
|
CAB-CONSOLE-RJ45 |
Cisco console cable option with RJ-45 connector for Catalyst 1000 management access |
|
CAB-CONSOLE-USB |
Cisco console cable option with USB connector for Catalyst 1000 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 | 9.53 kg |
|---|---|
| Dimensions | 56 × 16.5 × 40.5 cm |
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Brand | Cisco | Product family | Cisco Catalyst 1000 Series |
| Product ID | C1000-48T-4X-L | Product type | Fixed managed Gigabit Ethernet Layer 2 switch |
| Downlink ports | 48 x 10/100/1000 RJ45 data ports | Uplink interfaces | 4 x 10G SFP+ uplinks |
| PoE budget | Data switch with no PoE budget | Fanless | No |
| 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 | 0.74A to 1.29A | Power rating | 0.06 kVA maximum consumption |
| Consumption without PoE | 54.73W | Maximum power wattage for BTU/hr | 65.20W |
| 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 |
| MTU-L3 packet | 9198 bytes | Jumbo Ethernet frame | 10240 bytes |
| Console port | RJ-45 Ethernet console | USB-A port | 1 USB-A port for storage and Bluetooth console |
| Cisco IOS image | Single universal Cisco IOS Software image | Management interfaces | CLI and on-box web UI |
| 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 |
| Acoustic noise | 31.5 dB typical sound pressure for C1000-48T-4G-L and C1000-48T-4X-L | Dimensions | 17.48 x 11.34 x 1.73 in. |
| Weight | 3.95 kg |
Get More Information
Need pricing, stock, or shipping details for the C1000-48T-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
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Which 10G data closet uses C1000-48T-4X-L?
-
Which PoE absence defines C1000-48T-4X-L?
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Which 10G aggregation question belongs with C1000-48T-4X-L?
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Does C1000-48T-4X-L support PoE phones or APs?
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Why choose C1000-48T-4X-L over C1000-48T-4G-L?
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Which transceiver issue affects C1000-48T-4X-L?
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Can C1000-48T-4X-L be used at an edge closet?
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What order mismatch affects C1000-48T-4X-L?
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