User guide

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Model Number: 481SD 592SGQ 690PG

Fault Tolerance

Diskless Design Yes Yes Yes

Port aggregation Yes Yes Yes

Failover via network connection Optional Optional Optional

Failover via Ethernet link Yes Yes Yes

Service aware Yes Yes Yes

Server aware Yes Yes Yes

Backup server Yes Yes Yes

Security

Network Address Translation (NAT) Yes Yes Yes

TCP SYN protection Yes Yes Yes

Address mapping Yes Yes Yes

Port mapping Yes Yes Yes

TCP DoS protection Yes Yes Yes

HTTPS/SSH management Yes Yes Yes

Topologies

IPV4/IPV6 support Yes Yes Yes

Gb Ethernet (1000Base-TX) Yes Yes Yes

Rackmount 1U form factor Yes Yes Yes

One-Arm Single Network Mode Yes Yes Yes

Device Support

Interface to switches Gigabit x2 Gigabit x4 Gigabit x20

Maximum virtual servers Unlimited Unlimited Unlimited

Maximum real servers 65,532 65,532 65,532

Device’s role in the network Bridge/router Bridge/router

Bridge/route

switch

UDP-based service support Yes Yes Yes

Management

Secure web browser access Yes Yes Yes

In service / Not in service Yes Yes Yes

Phone / pager alarm notification

(ext modem req)

Yes Yes Yes

Email Notification Yes Yes Yes

Configuration access Yes Yes Yes

Remote telnet/SSH access Yes Yes Yes

Persistent connections Yes Yes Yes

Port-specific services Yes Yes Yes