GS2220-28HP - Switch ZYXEL - Free user manual and instructions
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| Product Type | Managed Gigabit PoE+ Switch |
| Model | GS2220-28HP |
| Brand | ZyXEL |
| Ports | 24 x Gigabit PoE+ (802.3at/af) + 4 x SFP+ (10G) uplink |
| PoE Budget | 375W total |
| Switching Capacity | 128 Gbps |
| Forwarding Rate | 95.2 Mpps |
| Dimensions (W x D x H) | 440 x 250 x 44 mm (1U rackmount) |
| Weight | 4.5 kg (approx.) |
| Power Supply | AC 100-240V, 50-60Hz, 5A (built-in) |
| Power Consumption | Max 500W (with full PoE load) |
| Management | Web GUI, CLI (Telnet/SSH), SNMP v1/v2c/v3, RMON |
| VLAN Support | 802.1Q VLAN up to 4094, Port-based VLAN, Voice VLAN |
| Layer 3 Features | Static routing, RIP, OSPF, VRRP, ECMP |
| Security | 802.1X, ACL, DHCP snooping, IP Source Guard, ARP inspection |
| Cooling | Internal fans with speed control |
| Operating Temperature | 0°C to 45°C |
| Humidity | 10% to 90% (non-condensing) |
| Standards | IEEE 802.3, 802.3u, 802.3ab, 802.3z, 802.3ae, 802.3x, 802.3ad, 802.1D, 802.1w, 802.1s, 802.1Q, 802.1p, 802.1X, 802.1ab, 802.3af, 802.3at |
| Cleaning | Use a soft, dry cloth; do not use liquid or aerosol cleaners |
| Safety | Install in a ventilated rack; avoid blocking airflow; disconnect power before servicing |
| Spare Parts & Repairability | Contact ZyXEL support for replacement PSU or fans; no user-serviceable parts inside |
| Warranty | Limited lifetime warranty (subject to terms) |
Frequently Asked Questions - GS2220-28HP ZYXEL
How do I access the web management interface?
Connect a PC to any port, set your PC's IP to 192.168.1.x (subnet 255.255.255.0), then open a browser and go to 192.168.1.1. Default login is admin / 1234.
What is the PoE budget and how is it distributed?
The switch provides a total PoE budget of 375W across all 24 PoE+ ports. Maximum power per port is 30W (802.3at). The switch automatically manages power allocation.
How do I configure VLANs?
Go to Advanced > VLAN in the web GUI. You can create 802.1Q VLANs, assign ports as tagged/untagged, and set the PVID for each port. For trunking, use the Trunking menu.
Can I stack multiple GS2220-28HP switches?
No, this model does not support physical stacking. However, you can use LACP (link aggregation) to combine ports for increased bandwidth and redundancy.
How do I update the firmware?
Download the latest firmware from ZyXEL's website. In the web GUI, go to Maintenance > Firmware Upgrade, select the file, and click Upgrade. Do not power off during upgrade.
What SFP+ transceivers are supported?
The switch supports ZyXEL SFP+ modules (e.g., SFP-10G-SR, SFP-10G-LR) and most industry-standard SFP+ modules. For best performance, use ZyXEL certified ones.
How do I reset to factory defaults?
Press and hold the RESET button on the front panel for about 10 seconds until the LEDs flash. Alternatively, use the CLI command restore default or the web GUI under Maintenance > Reset.
Does the switch support 802.1X authentication?
Yes, go to Security > 802.1X to enable port-based authentication. The switch supports RADIUS server for authentication. You can also combine with guest VLAN.
What is the maximum number of MAC addresses per port?
By default, there is no limit. You can set a maximum via Security > MAC Filter or using port security to limit to a specific number (e.g., 10).
Why are the fans always running? Can I reduce noise?
Fans run based on temperature. The switch has fan speed control. Ensure proper ventilation. To reduce noise, use in a cool environment or consider using fanless models for non-PoE loads.
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USER MANUAL GS2220-28HP ZYXEL
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Product information
Brand : ZYXEL
Model : GS2220-28HP
Category : Switch