Products

NEXPEED NM220G is a SHDSL bridge modem, which allows multiple PCs sharing high speed internet access. ITU-T Standard(G.991.2) based G.shdsl technology provides symmetrical data rates of 200Kbps to 2.3Mbps with a range up to 7km using single pair of ordinary telephone wire. It can function as a remote LAN to LAN application, or as a Customer premises Equipment to the NexComm’s SHDSL 4 port iMUX Router NR104G or other vendor’s IP based DSLAMs.

NM220G can be configured as two types by simply setting parameters in HTTP server, one is Master Unit which operates as Central Office Equipment and the other is Slave Unit as a Customer Premises Equipment which doesn’t need to be configured at remote site. The device has been designed for use both in office and home environments, compact in size and supporting plug-and-play to provide convenience for users.

Applications
Low cost entry level SHDSL Customer Premise Equipment(CPE) modem to utilize high-speed DSL services - at speeds 200 times faster than traditional dial-up modems. MTU application with DSLAMs Back to Back connection for remote LAN extension

High lights
TC-PAM encoded G.shdsl
One WAN with RJ-11 and one LAN with RJ-45
Rate adaptive mode
VPN pass through for PPTP, L2TP, IPSec
Tagged VLAN packet pass through
Configurable by HTTP server
Plug and play when CPE mode operation
Intelligent diagnostic functions

View

Datasheet


Perspective View	Rear View

Features

Wide Range of Transmission Rates
Ranging from 200Kbps to 2.3Mbps, the product supports 30 levels of transmission rates both in fixed mode and auto baud mode according to the distance.

Convenient Installation
Needless of a separate installation program
Configurations can be made by the dip switches in the rear of the device.

Environmentally Hardened
Durable and operable under harsh environment.
Metal Case
Reinforced Surge Protection

Economical Efficiency
The NM220G presents a remarkably economical solution to your network environment.

Various Diagnostic Indicators
The NM220G supports LEDs that visually indicates the status (Link, Activity)
of each port.

Special Features
Power on Self Test BERT check with loop back Periodic link status monitoring

Specification

POWER REQUIREMENT
External power supply module
- Input : AC 85 to 264V, 45 to 65Hz
- Output : DC +5V, 2Av

MECHANICAL
Size : 142mm(W) x 159mm(D) x 29mm(H)
Weight : 0.6Kg

ENVIRONMENT
Operating Temp. 0°C to 50°C
Storage Temp. -20°C to 70°C
Humidity 5%~95%, non-condensing

PROTOCOLS
Bridging Transparent MAC Bridgingv

MANAGEMENT
Remote Management(HTTP Server, SNMP)
Windows-based GUI (Windows 9x/ME/NT/2000/XP)

INTERFACES
WAN One SHDSL (RJ-11 Jack)
LAN One 10/100 Base-T (RJ-45 Jack), auto MDI/MDI-X

DATA RATES
From 200Kbps to 2.32Mbps
Fixed mode : 30 speeds levels
Rate adaptive mode : automatic

INDICATORS
32K MAC addresses
Power On/Off
WAN LINK Status
LAN LINK Status
ACT Activity

Distance Range with 26AWG twisted pair

Data Rate	Range
Kbps	Km	miles
200	7.2	4.5
384	6.4	4.0
512	5.9	3.7
1024	4.4	2.8
1536	3.8	2.4
2048	3.4	2.1
2320	3.0	1.9

BACK PANNEL

Interoperability
NEXPEED NM220G Modem is interoperable with major IP based DSLAM vendors. Please contact your authorized resellers for the latest interoperability information.

Warranty
NexComm Systems, Inc. warrants NEXSPEED product family to be free from defects in workmanship and materials, under normal use and service, for a period of one year from the date of purchase for NexComm Systems Inc. or
its Authorized Resellers.
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NEXPEED is registered trademark of NexComm Systems Inc. All other trademarks are property of their respective owners. Specifications are subject
to change without prior notice.
Quality Management
NexComm Systems, Inc has been certified ISO9001 from European Quality Assurance Ltd. authorized agent of International Standard Organization(ISO)9001 Quality Management Standard.