NBase NH 210 Manual de usuario
10/100 Workgroup Switch
NH210
INSTALLATION
AND
USER GUIDE
ML42189
Rev. 1.00
NH210.QXD 21/6/99 13:22 Page 1
Standards Compliance
UL 1950; CSA 22.2 No 950; VCCI; FCC Part 15 Class A; CE-89/336/EEC, 73/23/EEC
FCC Notice
WARNING: This equipment has been tested and found to comply with the limits for a Class A digital device, pur-
suant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful inter-
ference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radi-
ate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harm-
ful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
The user is cautioned that changes and modifications made to the equipment without approval of the manufacturer
could void the user’s authority to operate this equipment
It is suggested that the user use only shielded and grounded cables when appropriate to ensure compliance with FCC
Rules.
CE Mark
The CE mark symbolizes compliance with the EMC directive of the European Community. Such marking is indica-
tive that the specified equipment meets or exceeds the following technical standards:
•EN 55022 - “Limits and Methods of Measurement of Radio Interference Characteristics of Information
Technology Equipment”
•EN 50082-1 - “Electromagnetic compatibility -- Generic immunity standard Part 1: Residential, commercial and
light industry”
•IEC 1000-4-2 - “Electromagnetic compatibility for industrial-process measurement and control equipment
Part 2: Electrostatic discharge requirements” -- Severity level 3
•IEC 1000-4-3 - “Electromagnetic compatibility for industrial-process measurement and control equipment
Part 3: Radiated electromagnetic field requirements” -- Severity level 2
•IEC 1000-4-4 - “Electromagnetic compatibility for industrial-process measurement and control equipment
Part 4: Electrical fast transient/burst requirements” -- Severity level 2
• CISPR 22 - Radiated and Line-conducted Class A
•EN 60950 - ITE Safety
A “Declaration of Conformity”, in accordance with the above standards, has been made and is on file at NBase
Communications Ltd.
VCCI
This equipment is in the 2nd Class category (information equipment to be used in a residential area or an adjacent
area thereto) and conforms to the standards set by the Voluntary Control Council For Interference by Information
Technology Equipment aimed at preventing radio interference in such residential area.
When used near a radio or TV receiver, it may become the cause of radio interference. Read the instructions for
correct handling.
ATTENTION This product contains no user-serviceable parts. Unauthorized intervention
may void the warranty.
NH210.QXD 21/6/99 13:22 Page 2
TABLE OF CONTENTS
Part I Installation and User Guide
INTRODUCTION ..........................................................................1
Description....................................................................................1
The Switch and Network Management Systems ..........................1
Features.........................................................................................2
Theory of Operation......................................................................2
APPLICATIONS ............................................................................3
Configuring Your Network...........................................................3
Typical Configurations .................................................................4
INSTALLATION AND SETUP ..................................................5
Unpacking and Inspection.............................................................5
Installing the NH 210....................................................................5
Rack Mounting..............................................................................5
Front Panel....................................................................................6
Rear Panel ....................................................................................7
DIP Switches.................................................................................8
Half/Full Duplex Operation..........................................................8
Default Port Configurations..........................................................8
Power Connection.........................................................................9
Network Connections ...................................................................10
Connecting the Ethernet Devices..................................................10
TROUBLESHOOTING .................................................................11
TECHNICAL SPECIFICATIONS .............................................13
NH210.QXD 21/6/99 13:22 Page 3
Part II Device Management
INTRODUCTION ..........................................................................15
The NH 210 and Network Management Systems.........................15
SOFTWARE INSTALLATION AND SETUP .........................16
Minimum Requirements ...............................................................16
Connecting the PC to the Management Interface .........................16
Installing and Running MegaView...............................................17
Quick Start ....................................................................................18
SwitchView Area..........................................................................18
Property Sheet Area......................................................................19
Sample Configuration...................................................................19
MEGAVIEW WINDOWS AND MENUS ................................20
Device Menus.....................................................................................20
File Menu......................................................................................20
Configuration Menu......................................................................21
Statistics Menu..............................................................................22
Help...............................................................................................23
Device Property Sheets ......................................................................24
Session Info...................................................................................24
Device Security & Learning Configuration..................................25
Device VLAN Configuration........................................................25
Device Ports Statistics...................................................................27
Port Property Sheets ...........................................................................28
Port Configuration.........................................................................28
Port Statistics.................................................................................29
NBase Communications
NH 210
This document and the information contained herein are proprietary to NBase and are furnished to the recipient
solely for use in operating, maintaining and repairing NBase equipment. The information within may not be uti-
lized for any purpose except as stated herein, and may not be disclosed to third parties without written permis-
sion from NBase. NBase reserves the right to make changes to any technical specifications in order to improve
reliability, function or design.
©1997 NBase Communications ML42189 Rev. 1.00 12.97
NH210.QXD 21/6/99 13:22 Page 4
1
NH 210
NBase Communications
INTRODUCTION
The NBase NH 210 provides dedicated bandwidth to the desktop at wire-
speed rate. Employing highly-integrated ASIC technology, the NH 210 deliv-
ers powerful switching with a superior price/performance, allowing it to be
deployed as a replacement to shared media devices.
With both a high density of end-stations and high-speed server/backbone con-
nections, the NH 210 provides the flexibility and performance required for a
wide variety of effective network applications.
Description
The NH 210 features eight 10Base-T Ethernet ports and two 10/100Mbps
UTP ports for high-speed connectivity. The switch is offered in the following
two models:
NH 210-32 Support for 32 MAC addresses; efficient, cost-
effective small network switch.
NH 210-2K Support for 2K MAC addresses; configures up to four
VLAN groups for both Multicast and Broadcast frames;
cost-efficient network security.
Figure 1: General View NH 210
The Switch and Network Management Systems
The NH 210 is managed through a Windows 95™-based graphical application
program called MegaView. The management interface is provided via the PC
parallel port (LPT1or LPT2) which is connected to the NH 210’s DB-25 front
panel port, using a standard parallel printer cable. The switch offers a wide
array of management capabilities, including powerful VLAN features on the
NH 210-2K model, intrusion control security and real time port statistics.
NH210.QXD 21/6/99 13:22 Page 1
2
NBase Communications
NH 210
Features
Standards Complies with IEEE 802.3 and IEEE 802.3ustandards
Functionality 8 switched 10Base-T Ethernet ports and two
built-in high-speed ports
VLAN Up to four VLAN groups can be configured to protect
against multicast and broadcast storms (NH 210-2K)
Security Per/port intrusion control capabilities
Cost-effective Switching performance at hub prices
ASIC Technology Enables wire-speed switching between the 10Mbps and
100Mbps ports
Management Windows 95™ -based management by
MegaView
Diagnostics Diagnostic LEDs on each port for easy installation and
maintenance
Theory of Operation
Ethernet segment switches divide a large unwieldy local network into smaller
segments, insulating each from the other’s local traffic and increasing aggre-
gate bandwidth, while still retaining full connectivity. The NH 210 is designed
to be self-configuring and extremely fast, making installation simple and pro-
viding an increase in available bandwidth.
The switch learns on which port stations are located by remembering the
source address of every packet received on every port. When packets are
received for stations that the switch has learned, they will be forwarded to
only the port that the station is on. This is in contrast to a hub which sends
every packet to every port.
If the switch receives a packet addressed to a station which the switch has not
learned, the packet is sent to every port, except the port on which it was
received, just as a hub would. This insures that full connectivity is maintained.
The high port density of the NH 210 allows for dedicated, high-performance
workstation links.
NH210.QXD 21/6/99 13:22 Page 2
3
NH 210
NBase Communications
APPLICATIONS
A switch boosts network performance by segmenting a single large collision
domain into smaller, separate collision domains and providing dedicated con-
nections for intensive networks using work stations and servers. In addition,
the Full Duplex capability of Ethernet switches permits long distance connec-
tivity for backbone applications, or high throughput for high-performance ded-
icated servers. The NH 210 combines 10Mbps switched ports with 100Mbps
ports for Fast Ethernet backbone connection and dedicated 100Mbps servers.
Configuring Your Network
10/100 Base Connections
Links that run at more than 10Mbps are essential between switches. If the link
between two switches is at 10Mbps, then only one full speed Ethernet stream
can be handled at a time. With the 100Mbps connection of Fast Ethernet, ten
full speed Ethernet streams can be handled simultaneously.
Fast Ethernet works ten times faster than regular Ethernet. Software, except
for low level drivers, which are always card specific, works with Fast Ethernet
without modification. Frames from a device using Fast Ethernet require no
translation except for the physical layer conversion. An Ethernet to Fast
Ethernet switch offers the network administrator a possible upgrade path. At
first, the switch can be used simply to segment the existing Ethernet, immedi-
ately boosting performance. Next, with the addition of a single NIC, a file
server can be migrated to Fast Ethernet, increasing its availability. As needed,
additional file servers or individual users can be moved to Fast Ethernet, while
leaving all other parts of the network running as usual. If some of the shared
Ethernet segments are still congested, but don’t warrant a full 100Mbps, addi-
tional switches may be added to further divide the shared segments, creating a
collapsed 100Mbps backbone and small switched 10Mbps segments.
The NH 210 switch combines switched 10Mbps Ethernet and Fast Ethernet
technology in a seamless integration of regular Ethernet and the IEEE 802.3u
100Base-TX standard.
NH210.QXD 21/6/99 13:22 Page 3
4
NBase Communications
NH 210
Typical Configurations
Figure 2 illustrates the optimal connection possibilities of the NH 210. One
switch can connect up to eight 10Mbps ports and two 10/100Mbps ports.
Attachments can include 10Mbps and 100Mbps servers, a Fast Ethernet back-
bone, 10/100Mbps hubs or individual stations, all functioning in Half/Full
duplex mode. High-speed port connectivity is over 100Base-TX copper.
Management capabilities enable the configuration of four VLAN groups and
offer per port intrusion control security. It is important to note that Port 1 can-
not be configured as the security port.
Figure 2: Various application possibilities of the NH 210
INSTALLATION and SETUP
NH210.QXD 21/6/99 13:22 Page 4
5
NH 210
NBase Communications
The NH 210 can operate as a stand-alone unit or in conjunction with any of
NBase’s other Ethernet offerings. A Windows 95™ -based graphical applica-
tion, MegaView, provides management through a PC parallel port.
Unpacking and Inspection
Upon receiving the NH 210, inspect the carton for visible external damage. In
case of damage, request that the carrier’s agent be present during unpacking
and do not destroy the shipping carton.
Next, examine the NH 210 for physical damage (dents, dislodged compo-
nents). If any exists, notify the carrier and follow his instructions for damage
claims. Inform your NBase representative immediately, providing specific
details. Repair or replacement will be arranged. If necessary, retain the carton
and packing material for return shipment.
Installing the NH 210
The NH 210 comes as a rack-mounted 19” unit, fitting two per rack. It can
also be placed on a secure flat surface. The unit must be within reach of the
necessary connections (i.e. power outlet, Ethernet connections and a PC). It
unit is powered by a wide-range power supply for 110/220 VAC operation.
WARNING: Free air flow must be maintained in order to permit adequate cooling
of the unit. The FAN holes on the sides of the box MUST be unobstructed.
Rack Mounting
If rack mounted units are installed in a closed or multi-rack assembly, they
may require further evaluation by Certification Agencies. The following
items must be considered:
1. The ambient temperature within the rack may be greater than room
ambient temperature. Installation should be such that the amount of air
flow required for safe operation is not compromised. The maximum
temperature for equipment in this environment is 50°C. Consideration
should be given to the maximum rated ambient temperature.
2. Installation should be such that a hazardous stability condition is not
achieved due to uneven loading.
Front Panel
The front panel of the NH 210 is illustrated in Figure 3. Following is a
description of its various components, LED indications and their functions.
Figure 3: Front Panel View NH 210
NH210.QXD 21/6/99 13:22 Page 5
Front Panel Description
1 DB-25 Connector Management port
2 Fast Port LEDs
L OFF indicates no link
Green ON indicates 10Mbps rate
Yellow ON indicates 100Mbps rate
A/C Green ON indicates port activity.
Yellow ON indicates collision
LEDs for 10Base-T Ports
L Green ON indicates valid link connection
A/C Green ON indicates port activity
Yellow ON indicates collision
3 DIP Switches These two groups configure the Fast Ethernet ports
F/H Sets Full or Half Duplex mode
A/M Sets Auto-negotiation or Manual mode
10/100 Sets 10Mbps or 100Mbps rate
See Device Management , Default Port Configuration for more details.
5 10/100Base-TX Ports Two Fast Ethernet UTP ports
6 F/H DIP Switches Individual DIP switches configure the duplex mode
of one group of four 10Mbps ports (3-6, 7-10)
7 10Base-T Port One of eight switched Ethernet UTP
ports
8 Global LEDs
6
NBase Communications
NH 210
NH210.QXD 21/6/99 13:22 Page 6
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