48-port 10G Managed Ring PoE Switch
Managed PoE Switch Overview
The LNK-A208GP-SFP is a high-performance 48-port Power over Ethernet switch
featuring 48x 10/100/1000M RJ45 ports (802.3af/at Power over Ethernet+)
and 4x 10G SFP+ uplinks. This delivers enterprise-grade switching with L2+ features
(Virtual Local Area Network, Quality of Service, Access Control Lists)
and advanced security (Spanning Tree Protocol/Routing Switch Protocol, port isolation).
This product is ideal for large-scale deployments, offering web/CLI/SNMP management,
9.6K jumbo frames and per-port PoE control. It is perfect for IP surveillance, WiFi 6
and industrial networks.
Managed PoE Switch Features
- 48 × 10/100/1000M RJ45 (PoE1–48) + 4 × 10G SFP+ uplink ports
- All 48 RJ45 ports support PoE, compliant with IEEE 802.3af/at standards,
- with per-port PoE configuration
- Advanced L2+ features for enhanced manageability, security, QoS, and performance
- Supports key L2+ switching functions: VLAN, link aggregation (TRUNK), port mirroring,
- port isolation, flow control, speed limiting, storm control, QoS, and ACLs
- Supports spanning tree protocols: STP and RSTP
- Jumbo frame support up to 9.6 KB for efficient data transmission
- Multiple management interfaces: Web GUI, CLI, Telnet, and SNMP
- Built-in cable diagnostics for simplified troubleshooting
Managed PoE Switch Technical Indexes
| Model | LNK-4048G |
| Ports | 48x 10/100/1000M RJ45 ports |
| 4x 10G SFP+ |
| Management port | 1x Console port |
| Reset key | 1x Reset key, for restore default settings |
| Bandwidth | 180G |
| Switch throughout | 131Mpps @ 64byts |
| Operating temperature | -20~+50°C |
| Input voltage | AC: 110～240V/50～60Hz |
| Total power consumption | 600W |
| Software Specifications |
| Protocol & Standard | IEEE 802.3,10BASE-T Ethernet; |
| IEEE 802.3u, fast Ethernet Standard; |
| IEEE 802.3ab, gigabit Ethernet Standard; |
| IEEE 802.3z, gigabit Ethernet Fiber Standard;(AOC fiber cable) |
| IEEE 802.3ae,10G Ethernet Standard; |
| IEEE 802.3x, full-duplex Ethernet data link layer flow control; |
| MAC | 32K |
| supports automatic updates, two-way learning; |
| SRAM Buffer | 32Mb |
| VLAN | Support up to 4K VLAN; |
| Support port-based VLAN; |
| Support 802.1Q tag-based VLAN; |
| Spanning Tree | STP, RSTP, MSTP |
| Port Aggregation
(TRUNK) | Support 4x 10G ports aggregation, support 16x gigabit ports aggregation |
| Support 26x groups aggregation |
| Port Mirroring | Support multiple to single Port mirroring, no limit for quantity of mirroring source ports |
| Port Isolation | Support downstream ports isolated from each other, while opening communication with upstream ports |
| Port Flow Control | Support half-duplex back pressure based control; |
| Support full-duplex PAUSE frame based control; |
| Port Speed Limit | Support port-based input/output bandwith management |
| | Cluster Management |
| Storm Control | Prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on a port |
| Support port storm threshold setting |
|
QOS
| SP (Strict Priorty); |
| WFQ (Weighted Fair Queuing); |
| WRR (Weighted Round Robin); |
| Head Of Line; |
| Best-Effort Service; |
| First come first served; |
| 802.1p; |
| Cos/Tos, QOS; |
| Differentiated Service; |
| Network Cable Line Sequence | Support Auto-MDIX, automatic Identification straight-through cable and crossover cable |
| cable diagnosis | Support cable diagnosis, Cable quality (differential pair impedance 85ohm ~ 125ohm), cable length, a short-circuit line |
| Negotiation Mode | Support port auto-negotiation function (auto-negotiation transmission rate and duplex mode) |
| System Maintenance | Support configuration file uploda/download; |
| Support static IP configuration; |
| Support Syslog; |
| Support Flow Control; |
| Support update packet upload; |
| Support WEB reset; |
| Reset by pressing key; |
| Support system log save/output; |
| Network Management | Support WEB management ; |
| Support CLI management ; |
Managed PoE Switch Ordering Information
| Model | Description |
| LNK-4048GP | 48-port 10G Managed Ring PoE Switch, 48x 10/100/1000M RJ45 (PoE) + 4x 10G SFP+, Port 1-48 supports PoE, compliant with both IEEE 802.3af/at standard. PoE port power: 15.4W/25.5W, can be set by management system. Total input power is 650W. Default power supply pin type is end-span(1/2+, 3/6-), mid-span(4/5+, 7/8- ) is optional |
Managed PoE Switch Application
After-Sales and Warranty Policy
It is composed of online customer service and telephone customer service, providing product consultation,
remote technical support, maintenance and acceptance services.
Service Policy: Three-month replacement and three-year warranty.
Replacement: Within three months of purchasing a series of products, after testing the product failure
by technicians and man-made damage caused by non-natural disasters, the purchaser can directly
go to the purchasing point to replace the same type of products.Or a product of comparable performance.
If there is no trouble in product testing, the original sample will be returned.
Warranty: Man-made damage caused by non-natural disasters, our company's free warranty period is 1 year.
[The following circumstances do not fall within the scope of replacement and free maintenance]
1.Damage caused by operation and maintenance not in accordance with the instructions in the product manual.
2.Damage caused by human factors, such as inappropriate voltage input, water intake and breakage.
3.Damage to products caused by natural disasters, such as lightning, earthquakes, fires, etc.
3.Unauthorized alteration of the inherent settings or repair without the company's permission.
4.Products beyond the scope of free maintenance.
5.Damage caused by transportation, loading and unloading during repairs sent by customers.
6.The product bar code or model on the product warranty card does not conform to the product itself.
7.Failure or damage caused by other non-product problems such as design, technology, manufacturing and quality.
Product Tags:
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Enterprise PoE Switch 48 Port Gigabit 4x10G SFP+ Web Managed QoS Images
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