The ZyXEL GS1900 48-port GbE Smart Managed Switch with Gigabit speed and essential managing functions bring your business network more flexibility and connectivity. The GS1900-48HP is providing GbE switches with power saving functions, fanless design and full IPv6 support ensure your network to be ready for future expansions. In addition, the PoE models GS1900-48HP Gigabit switch complies with the IEEE 802.3at Power over Ethernet (PoE) Plus standard. The complete GS1900 has been designed with useful features and advanced performances that empower your networks with speed and security as well as silent operation in your office environments.
Specifications
General 
Device Type: Switch - 48 ports - smart

Enclosure Type: Desktop, rack-mountable, wall-mountable

Subtype: Gigabit Ethernet

Ports: 48 x 10/100/1000 + 2 x Gigabit SFP

Performance: Switching capacity: 100 Gbps ¦ Forwarding performance: 74 Mpps

MAC Address Table Size: 8K entries

Jumbo Frame Support: 9KB

Routing Protocol: IGMPv2, IGMP, IGMPv3

Remote Management Protocol: SNMP 1, SNMP 2, RMON 1, RMON 2, RMON 3, RMON 9, SNMP 3

Encryption Algorithm: SSL

Authentication Method: RADIUS, TACACS+

Features: Flow control, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, Syslog support, DoS attack prevention, Weighted Round Robin (WRR) queuing, store and forward, IPv6 support, Quality of Service (QoS), LACP support, LLDP support, Port Security, Energy Efficient Ethernet, Management Information Base (MIB), Strict Priority Queuing (SPQ), Class o

Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1x, IEEE 802.1ab (LLDP), IEEE 802.3az

Status Indicators: Power, system, link/activity
Expansion / Connectivity 
Interfaces: 48 x 1000Base-T RJ-45 ¦ 2 x SFP
Power 
Power Device: Internal power supply

Voltage Required: AC 120/230 V (50/60 Hz)

Power Consumption Operational: 36.9 Watt
Miscellaneous 
MTBF: 229,313 hours

Compliant Standards: FCC Class B certified, RoHS, EN 60950-1, BSMI CNS 13438, C-Tick Class A, BSMI CNS 14336
Dimensions & Weight 
Width: 17.3 in

Depth: 7.9 in

Height: 1.7 in

Weight: 6.39 lbs
Manufacturer Warranty 
Service & Support: Limited warranty - lifetime
Environmental Parameters 
Min Operating Temperature: 32 °F

Max Operating Temperature: 122 °F

Humidity Range Operating: 10 - 95% (non-condensing)

Min Storage Temperature: -40 °F

Max Storage Temperature: 158 °F