Advantek Networks ANS-2402G User manual

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24 Port Fast Ethernet With
2 Port Gigabit Switching Hub
User’s Manual
Model # NS-2402G

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FCC Warning
This equipment has been tested and found to comply with the limits for a class A digital
device, pursuant to Part 15 of the FCC ules. These limitations are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures:
eorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into a different outlet from that the receiver is connected.
Consult your local distributors or an experienced radio/TV technician for help.
Shielded interface cables must be used in order to comply with emission limits.
Changes or modifications to the equipment, which are not approved by the party
responsible for compliance could affect the user's authority to operate the equipment.
Copyright
1999 All ights eserved.
Company has an on-going policy of upgrading its products and it may be possible that
information in this document is not
up-to-date.
Please check with your local distributors for the latest information.
No part of this document can be copied or reproduced in any form without written consent
from the company.
Trademarks:
ll trade names and trademarks are the properties of their respective companies.

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Table of Contents
1 Introduction to the Switching Hub …………………………………………………... 4
1.1 General
Description ………………………………………………………………………..4
1.2 Features …………………………………………………………………………………….4
1.3 The Front Panel ……………………………………………………………………………4
1.4 Uplink Port ………………………………………………………………………………….5
1.5 The ear
Panel …………………………………………………………………………….5
1.6 What items come with
package …………………………………………………………..5
2 Installing and using the Switching Hub ……………………………………………...5
2.1 Power connecting ………………………………………………………………………..5
2.2
Installing …………………………………………………………………………………….5
2.2.1 Desktop
Installation ……………………………………………………………………….5
2.2.2 Installing Network
Cables ………………………………………………………………...5
2.2.2.1 Station Connections with Twisted-Pair
Cable ………………………………………..6
2.2.2.2 Switch to Switch Connections with Twisted-Pair
Cable ……………………………..6
3. Switch Operation ………………………………………………………………………6
3.1 MAC Address Table and

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Learning ……………………………………………………….6
3.2 Filtering and
Forwarding …………………………………………………………………..6
3.3 Store and
Forward …………………………………………………………………………7
4. Product Specification ………………………………………………………………….8
1 Introduction to the Switching Hub
1.1 General Description
This device is a high-performance 24 port Fast Ethernet with 2 port Gigabit Ethernet
switching hub capable of 10, 100 and 1000Mbps auto-negotiation operation. This
switching hub comes with complete set of industry standard features for high-speed
Internet access, it also offers easy installation and cost-effective connection for
corporate users.
All 26 ports support Store & Forward architecture, Broadcast Storming Filter and TP
interface Auto MDIX for auto TX/ X swap.
1.2 Features
 Compliant with 802.3u 100Base-TX
 Compliant with 802.3ab 1000Base-TX
 Fast Ethernet port works at 10 Mbps or 100 Mbps in full or half duplex mode,
and Gigabit Ports work in full duplex mode.
 Support Store & Forward architecture
 Perform Broadcast Storming Filter function
 Support TP interface Auto MDIX function for auto TX/ X swap

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1.3 The Front Panel
Functional LED Description
LED Description
PW When Gigabit switching hub connects to power, this LED will be on.
BK When Broadcast Storm occurs, this LED will blink.
1….24 Fast Ethernet Port LED numbers.
25, 26 Gigabit Port LED numbers.
Link/Act Link is established (green), Transferring data (blinking green), No connection (off)
10M When data transferring rate is 10Mbps, this LED will blink, otherwise LED is off.
100M When data transferring rate is 100Mbps, this LED will blink, otherwise LED is off.
1000M When data transferring rate is 1000Mbps, LED will blink, otherwise LED is off.
1.4 Uplink Port
All ports can be used as an uplink for connecting to another unit without using
crossover cable.
1.5 The Rear Panel
ear Panel of the switching hub has a vent, power cord socket and a switch.
1.6 What items come with package
 One 24 Port Fast Ethernet with 2 Port Gigabit switching hub
 One 100V ~ 240V Power Cord
 One 24 Port Fast Ethernet with 2 Port Gigabit Switching Hub User’s Manual
2 Installing & using the 26 Port Fast Ethernet/Gigabit Switching
Hub
2.1 Power Connecting
Plug the circle end of the power cable firmly into the power cord socket of the rear
panel of the switching hub, and the other end into an electric outlet then the system

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is ready.
2.2 Installing
The hub does not require install device driver. Users can immediately use any of
the features of this product simply by attaching the cables and connecting the
power, then turn on the switch.
2.2.1 Desktop Installation
To locate the switching hub on the desktop and place the hub on a clean, flat desk or
table close to a power outlet. Plug in all network connections and the power cable,
then the system is ready
2.2.2 Installing Network Cables
After placing the hub on the desktop, then we need to know how to connect the
device to network.
2.2.2.1 Station Connections with Twisted-Pair Cable
Connect each station to the hub by a twisted-pair straight cable(10Base-T or
100Base-T cables). Plug one J-45 connector into a front-panel port of the hub,
and plug the other J-45 connector into the station’s network adapter.
2.2.2.2 Switch to Switch Connections with Twisted-Pair Cable
In making a switch to switch connection, you can use any port to connect
Another switch with any cable.
3. Switch Operation
3.1 M C ddress Table and Learning

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The switching hub is implemented with a MAC address table which is composed of
many entries. Each entry is used to store the address information of network nodes
on the network, including MAC address, port ID, etc. The information is the most
important base to do packet filtering and forwarding. When one packet comes in from
any port, the switching hub will learn the source address, port ID, and the other related
information in address table. Therefore, the content of the MAC table will update
dynamically.
3.2 Filtering and Forwarding
When one packet comes in from any port of the switching hub, it will check the
destination address besides the source address learning. The hub will look up the
address table for the destination address. If not found, this packet will be forwarded to
all the other ports except the port which this packet comes in. If found, and the
destination address is located at different port from this packet comes in, the packet
will be forwarded to the port where this destination address is located according to the
information of address table. But, if the destination address is located at the same port
as this packet comes in then this packet will be filtered.
3.3 Store and Forward
Store-and-forward is one kind of packet-forwarding methodology. As a
store-and-forward switching hub, it will store the complete packet in the internal buffer
and do the complete error checking before transmitting to the network. Therefore, no
error packets will disturb the network. It is the best choice when a network needs
efficiency and stability.
Several things need to be avoided:

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 Keep Ethernet cables away from sources of electrical noise such as radios,
transmitters, broadband amplifiers, power lines and fluorescent lighting fixtures.
 Water or moisture can not enter the unit
 Air flow around the unit and through the vents in the side of the case is not
restricted
 Never stack units more than eight high if freestanding
 Do not place objects on top of any unit of stack
 Do not obstruct any vents at the sides of the cases
4. Product Specifications
Standard IEEE802.3, 10BASE-T
IEEE802.3u, 100BASE-TX
IEEE802.3ab, 1000BASE-T
Interface J-45 x 26 Nway switching ports
Supports Auto MDIX
Cable Connections J-45 (10BASE-T) :
UTP Category 3, 4, 5
J-45 (100BASE-TX) :
UTP Category 5
J-45 (1000BASE-T)
UTP Category 5, 6
Network Data ate Auto-negotiation (10Mbps, 100Mbps,
1000Mbps)
Transmission Mode Auto-negotiation
(Full-duplex, Half-duplex)
LED indications Power x 1, BK x 1
Port x 24, Link / Activity, 100M

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Port x 2, 10M, 100M, 1000M, Link, Activity
Filtering / warding Rate : 10Mbps : 14,880pps / 14,880pps
100Mbps : 148,800pps / 148,800pps
1000Mbps: 1,488,000pps / 1,488,000pps
Operating Temperature 0-45 C (32-113 F)
Operating Humidity 10% - 90%
Power Supply AC(100~240) 50/60Hz Internal Switch Power