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Descrierea produsului
VOLKTEK\'s NSH-561 Managed Access Switch is equipped with eight 10/100Base-TX ports plus two combo Gigabit ports with RJ-45 (10/100/1000Base-T) and SFP slots (1000Base-SX/LX/LHX).
The NSH-561 is RoHS-compliant.
It was designed with SNMP, RMON, flexible network management and monitoring options for increased efficiency and performance. Whether managing from an \'in-band\' SNMP management station or Internet web browser, or \'out-of-band\' on the RS-232 console port, the NSH-561 facilitates network monitoring and troubleshooting to make the switch very user friendly.
The NSH-561 is a feature-rich switch, offering VLAN capabilities, spanning-tree protocol, port isolation and much more. Special software features can also be added upon request.
With its Auto MDI/MDI-X and NWay capabilities, the NSH-561 is simple to deploy within a network. Additionally, the slim housing design is ideal for installation in locations with limited space and in applications requiring low port density. Once installed at any premise, the NSH-561 immediately connects the premise with the optical or copper Gigabit Ethernet ports, which provide high-bandwidth uplinks in flexible distances.
Main Features:
Standards:- IEEE: 802.3, 802.3u, 802.3ab, 802.3z, 802.3x, 802.3ad, 802.1d, 802.1w, 802.1q, 802.1p
- Eight 10/100Base-TX RJ-45 ports
- Two SFP slots
Two 10/100/1000Base-T RJ-45 ports
- RS-232 Console (RJ-45)
- Spanning Tree Protocol / Rapid Spanning Tree Protocol
- Proprietary Xpress Ring protocol
- Automatic learning of up to 8K MAC addresses
- IGMP Snooping for multicast filtering
- Rate limitation

Network Storm Protection
- Port lock
Port Isolation

Port loop detection
- Port-based MAC address quantity limitation
- Full VLAN (802.1q) with double tagging (Q in Q)

Management VLAN
- IPv4 QoS Management
- Web-based GUI
- Telnet/Console
- Menu-driven/Command Line
- User’s IP security control to prevent illegal access
- E-mail alarm warning
- Port configuration, status, statistics, security
- Loss of link management on fiber ports
- Port mirroring
Cable Test
- 100 ~ 240VAC auto-ranging power input
- -48VDC power option available
+12VDC Power option via terminal block

Mechanical & Environmental:
- Desktop and rack-mountable unit
- Operating temperature: 0ºC~50ºC

Denumiri similare la Switch Volktek NSH-561: NSH 561, NSH561

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