Name:
S1720-20GFR-4TP-AC
- Description:
- S1720-20GFR-4TP with 16 Gigabit Ethernet ports ,2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,AC power
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S1720-20GFR-4TP-AC Overview
S1720-20GFR-4TP-AC is a high-performance rack-mount Ethernet switch designed with a robust non-blocking architecture, delivering reliable connectivity and efficient traffic management for enterprise edge networks. It offers flexible power options with an integrated AC power supply, ensuring dependable operation in varied deployment environments while minimizing the need for redundant power configurations.
This switch features a mixed port configuration that includes 16 RJ45 10/100/1000 downlink ports and 4 SFP combo uplink ports, providing scalable network connectivity and easy stacking capabilities. Optimized for Layer 2 networking, it supports advanced switching and routing performance for applications such as campus networks, branch offices, and small-to-medium business infrastructures.
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S1720-20GFR-4TP-AC Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 |
| Form Factor | Rack-mount |
| Power Consumption | 35 W |
| Number Of Ethernet Ports | 12–24 Ports |
| Number Of Downlink Ports | 16 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Combo |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | S1720-20GFR-4TP-AC |
| Uplink Configuration | 1G |
| IOS | LAN Lite |
| POE Support | Non POE |
| SFP Ports | 4 SFP Ports |
| Memory | 128 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 16 RJ45 ports and 4 combo SFP ports |
| Flash Memory | 64 MB |
| Switching Capacity | 40 Gbps |
| Switching Capacity With Stacking | 80 Gbps |
| Product Name | S1720-20GFR-4TP-AC Ethernet Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 11 inches |
| Weight | 14 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 11 inches | 11 inches | 12 inches | 10.5 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 32 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Base | LAN Lite | LAN Lite | LAN Lite | LAN Lite |
| Layer Supported | Layer 2 | Layer 2 | Layer 2 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | S1720-52GWR-PWR-4X | S1720-20GFR-4TP-AC | S1728GWR-4P | S1724G | S1700-24GR |
| Media Type Supported | Combo | Combo | Twisted Pair | Twisted Pair | Twisted Pair / Fiber |
| Memory | 256 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 16 Ports | 24 Ports | N/A | 24 Ports |
| Number of Ethernet Ports | Over 48 Ports | 12–24 Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports |
| POE Support | POE+ | Non POE | POE+ | Non POE | Non POE |
| Port/Expansion Slot Details | 48 Ethernet ports with 4 dedicated SFP uplink slots | 16 RJ45 ports and 4 combo SFP ports | 24 x 10/100/1000 Ethernet ports with 4 integrated SFP uplink ports | 24 x 10/100/1000 Ethernet ports, 4 x 1G SFP slots | 24 fixed Gigabit Ethernet ports with 4 dedicated SFP uplink ports |
| Power Consumption | 150W | 35 W | 50 W | N/A | 35 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco S1720-52GWR-PWR-4X Gigabit PoE Switch | S1720-20GFR-4TP-AC Ethernet Switch | S1728GWR-4P Gigabit Managed PoE Switch | S1724G Gigabit Rack Switch | S1700-24GR Gigabit Managed Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 104 Gbps | 40 Gbps | 128 Gbps | 52 Gbps | 48 Gbps |
| Switching Capacity with Stacking | 208 Gbps | 80 Gbps | 256 Gbps | N/A | 96 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 12 lbs | 14 lbs | 20 lbs | 7.5 lbs | 7 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What port configuration does the S1720-20GFR-4TP-AC offer?
A
The S1720-20GFR-4TP-AC provides 16 Gigabit RJ45 Ethernet ports, 2 dedicated Gigabit SFP uplinks, and 2 dual-purpose 10/100/1000 RJ45 or SFP slots for flexible connectivity.
Q
What is the switching capacity and forwarding rate of this switch?
A
It delivers a switching capacity of 88 Gbps and a forwarding rate up to 65.5 Mpps, ensuring low-latency layer-2 forwarding for demanding applications.
Q
Does the switch support advanced Layer 2 features like VLAN and STP?
A
Yes. It supports 4K 802.1Q VLANs, Multiple Spanning Tree Protocol (MSTP), GVRP and port-based VLANs for flexible network segmentation and loop prevention.
Q
What management options are available for the S1720-20GFR-4TP-AC?
A
Management is via an intuitive web GUI, CLI over SSH/Telnet, SNMP v1/2c/3 and RMON, enabling both on-premise and remote administration.
Q
How do I install SFP or dual-purpose modules?
A
Simply insert a compatible 1 Gbps SFP or 1 Gbps/1 Gbps SX/LX fiber module into the dedicated or dual-purpose SFP slots; the switch auto-detects and configures link parameters.
Q
What are the power requirements and consumption figures?
A
The switch uses a standard 100–240 VAC, 50/60 Hz power supply and consumes a maximum of 25 W under full load, delivering energy-efficient operation.
Q
Is the S1720-20GFR-4TP-AC rack-mountable and what are its dimensions?
A
Yes. It fits a 19-inch rack using included brackets. Dimensions: 440 mm (W) × 210 mm (D) × 44 mm (H), weight 1.8 kg.
Q
What are the operating environment specifications?
A
Operating temperature: 0 °C to 45 °C; storage: –40 °C to 70 °C; humidity: 10%–90% non-condensing, suitable for most office and data-center environments.
Q
Which security features does this switch support?
A
It offers port-security, 802.1X authentication, access control lists (ACLs), DHCP snooping and ARP inspection to safeguard network access and integrity.
Q
Does the S1720-20GFR-4TP-AC support QoS and traffic prioritization?
A
Yes. It supports 8 hardware queues, 802.1p priority, DSCP remarking and strict or WRR scheduling for efficient voice, video and data traffic management.
Q
What high-availability or redundancy features are available?
A
It supports Link Aggregation Control Protocol (LACP) for port-channeling, MSTP for rapid spanning-tree convergence and dual-active detection for network resilience.
Q
What is the mean time between failures (MTBF)?
A
The MTBF exceeds 300,000 hours, reflecting high reliability for continuous 24×7 operation in enterprise and campus networks.
Q
What warranty and support options are included?
A
It includes a 5-year limited hardware warranty and optional software maintenance contracts with 24×7 technical support and firmware updates.
Q
What typical use cases suit this switch?
A
Ideal for SMB and branch offices requiring Gigabit access, fiber uplinks to the core, IP telephony, wireless AP aggregation and small data-center edge deployments.
Q
How do I perform the initial setup of the switch?
A
Connect a PC via management port or console cable, launch the web GUI at the default IP (192.168.1.1), log in with the default credentials and follow the setup wizard.
Q
Can the S1720-20GFR-4TP-AC integrate with existing network management systems?
A
Yes. It is SNMP-compliant and supports Syslog, RMON and NetStream, enabling seamless integration with platforms like H3C iMC, SolarWinds and Cisco Prime.