General Description
The NSG-4000 Internet Subscriber Server is rack mountable intelligent gateway integrated with a 4-port port-based
V-LAN switch and capable of supporting up to 1024 simultaneous users. Designed for use in the medium to
large environment such as large hotels, university campuses and airports, the Internet Subscriber Server acts
as an hotspot access controller and provides plug and play instant Internet access, advanced security &
network management.
The NSG-4000 Internet Subscriber Server, which simplified the setup, AAA control, security and comprehensive
management of hotspot Internet access by integrating all the key components you need into a single,
easy-to-install and intelligent device, is designed for service providers and system integrator to enhance service
performance, increase business exposure and cooperative business operation. The NSG-4000 Internet
Subscriber Server is a complete, robust integrated solution for rapid deployment of large-scale networks.

Key Features & Benefits
Integrated Solution for rapid deployment :
The NSG-4000 Internet Subscriber Server is a complete access controller for medium to large hot-spots. It can
It is serve up to 1024 simultaneous users and it is an ideal hotspot solution to be deployed in the hotels, coffee
shops, airports and other sites that commonly host business travelers and offers instant high-speed Internet
connections. perfect for Hotspot application!
Deliver Instant PnP Connectivity Service :
With its IP Plug and Play technology, the NSG-4000 Internet Subscriber Server helps solve connectivity problems
by if offering instant Internet access without the need for configuration changes to the client computer or any
resident client-side software and allows guests to send E-mail as usual without changing E-mail SMTP server
settings even their configured mail server is unavailable or behind a corporate firewall.
Complete User Authentication and Accounting :
The NSG-4000 Internet Subscriber Server works with industry-standard RADIUS server that is allowed administer
to control user's login name and password to fully support AAA (Authentication, Accounting and Authorization).
Sophisticated Remote Management :
The NSG-4000 Internet Subscriber Server enables you to manage all your underlying network devices with
Syslog messaging, SNMP and LAN devices Management to reduce maintenance overhead.
Comprehensive Security :
The NSG-4000 Internet Subscriber Server provides a fully-secure operating environment with VPN pass through,
SSL certificate, Layer 2 Isolation V-LAN Security.
Enhance Local and Personalized Service :
The login and logout pages are fully customizable. The NSG-4000 Internet Subscriber Server has the ability to
let you redirect end users to your advertising web pages, increase your potential for revenue and customize
locations where end-users can visit free (walled garden).
Hotel PMS System Support :
The NSG-4000 Internet Subscriber Server support PMS billing system of Internet Access.
Proprietary AAA/Billing System :
The NSG-4000 Internet Subscriber Server has proprietary AAA and billing system that is allowed manager to
control user for Internet access and billing mechanism individually without any external AAA server and billing
server.

Specification
Hardware

Network Specification
IEE802.3 10BaseT Ethernet
IEE802.3u 100BaseTX Fast Ethernet
ANSI/IEEE 802.3 NWay Auto-negotiation
Interface
Four LAN Ports: 10BaseT/100BaseTX auto cross-over
One WAN Port (10BaseT/100BaseTX)
Two Serial Ports: Two DB9 Feamle RS232 for Console and PMS application
One Reset Button for factory setting
Power Requirement
Internal universal switching power supply
Input: 100-240 VAC, 50/60 Hz
Power Consumption < 10W
Led Indicators
One Power LED
One WAN Link/Activity LED
One LAN Link/Activity LED
One StatusLED
One Alarm LED
Dimension
Size: 1U Rack-mount-sized 440(W) x 116(L) x 44(H) mm
Weight: About 1.7 kg
Environment Conditions
Operating Temperature: 0°C to 50°C
Humidity: 10% to 95% non-condensing
EMC Conformance
FCC part 15 Class A / CE / UL
VCCI Class A
Software
Plug & Play : IP Plug and Play (Zero End-User Configuration)
PMS Integration
User Authentication and Accounting
RADIUS Authentication and Accounting
Secondary RADIUS Server
Proprietary Authentication and Accounting
Static and Dynamic Accounting
Internal User Account Management
Billing :
Flexible Billing Plan Accumulation / Time to Finish
Time-based Billing (by minute, hour, day, and week)
Front Desk Accounting Operator
Security and Firewall :
Port-based V-LAN
Layer 2 Isolation
SSL Secure User Login Process
SSL Secure Web-based administration
VPN Pass through (IPSec/ L2TP/ PPTP)
Transparent 802.1x
Rich Networking Function :
NAT (RFC 1631)
SMTP Server Redirection
DNS Redirection
Various WAN Connection (Static IP/ DHCP Client/ PPPoE/ PPTP Client)
DHCP Server and DHCP Relay
Supports 1024 Simultaneous Users
HTTP Proxy Support without any proxy-port setting change
IP Multicast Support
NTP Server Support
Management :
Web-based Management Tool
TFTP Firmware Upgrade
Transparent and Intelligent UI
Remote Authorized Management
Import or export configuration file
Reset Button to restore device default setting
Real-time Current User List/ DHCP Clients List/ Session List/ Account List
Remote CGI Configuration
LAN Device Management
LAN Device Status Monitor
Syslog
SNMP v1/v2 (MIB II with traps)
Marketing Cooperation :
Login Page Redirection
Customizable log-on and log-off pages
Advertisement URL link
Walled garden (Free Web Site)